vue.js高仿饿了么（前期整理）

1、熟悉项目开发流程

需求分析——>脚手架工具——>数据mock——>架构设计——>代码编写——>自测——>编译打包。

2、熟悉代码规范

从架构设计、组件抽象、模块拆分，到代码风格统一、CSS代码规范和JavaScript变量命名规范，以标准写代码，开发出扩展性、通用性强的优质代码。

3、掌握Vue.js在实战中应用

4、学会使用Vue.js完整地开发移动端App

5、学会工程化开发、组件化开发和模块化开发的方式

6、酷炫的交互设计

所用到的技术

后端：vue-resource（ajax通信）

前端：vue-router（官方插件管理路由）、localstorage、flex布局、css sticky footer布局、html、css、es6、Vue-cli（脚手架，用来搭建基本代码框架）、vue（热门前端框架）

其他：webpack（构建工具）、eslint（代码风格检查工具）

第三方库：better-scroll

Vue.js出现的历史原因也是前端的发展趋势

1、旧浏览器逐渐淘汰，移动端需求增加；

2、前端交互越来越多，功能越来越复杂；

3、架构从传统后台MVC向REST API+前端MV*（MVC、MVP、MVVM）迁移。

MVVM框架具有的优点

1、针对具有复杂交互逻辑的前端应用；

2、提供基础的架构抽象；

3、通过Ajax数据持久化，保证前端用户体验。

下面这张图充分说明了什么是MVVM框架，也说明vue.js双向数据绑定的基本原理：

 

什么是vue.js

它是一个轻量级MVVM框架，主要用于数据驱动+组件化的前端开发。它具有以下特点（数据驱动和组件化为核心思想）：

1、轻量级（大小只有20k+）

2、简洁（容易上手，学习曲线平稳）

3、快速

4、组件化：扩展HTML元素，封装可重用的代码。设计的原则为（1）页面上每个独立的可视/可交互区域视为一个组件；（2）每个组件对应一个工程目录，组件所需要的各种资源在这个目录下就近维护；（3）页面不过是组件的容器，组件可以嵌套自由组合，形成完整的页面。

5、数据驱动：DOM是数据的一种自然映射，看下面两张图进行理解：

         

结合上面两张图，再看看下面一张图，进一步理解vue.js实现双向数据绑定的原理（又称为数据响应原理，即数据【model】改变驱动视图【view】自动更新）：

6、模块友好

Vue-cli介绍

这是一款Vue的脚手架工具，脚手架的含义就是编写好基础的代码。vue-cli帮助我们编写好了目录结构、本地调试、代码部署、热加载和单元测试。

github地址：https://github.com/vuejs/vue-cli

安装Vue-cli

基本教程戳这里

【注意】

初次使用，千万不要启动ESLint语法规范。

webpack打包

webpack就是将各种资源打包，然后输出js、图片、css静态文件。

新姿势

设备像素比(DPR)

图标字体的制作

打开https://icomoon.io/ => 点击右上角icomoon app => 点击左上角import icons =>选择做好的svg文件 => 点击左上角untitled set选择上图标 => 点击右下角generate fonts =>再点击右下角download即可下载（左上角preferences是修改下载文件夹的名称）。

使用图标字体

设计好项目目录，将fonts文件夹下的文件复制粘贴进项目中，将style.css复制粘贴进stylus目录中，并改名为icon.styl，同时将里面的内容改为stylus语法

mock数据

作为前端经常需要模拟后台数据，我们称之为mock，通常的方式为自己搭建一个服务器或者创建一个json文件，返回我们想要的数据。

 在这一步有个坑，就是vue-cli更新了，很多配置都发生了变更。在这里有很好的解决方法。下面贴上webpack.dev.conf.js更改后的代码

'use strict'
const utils = require('./utils')
const webpack = require('webpack')
const config = require('../config')
const merge = require('webpack-merge')
const path = require('path')
const baseWebpackConfig = require('./webpack.base.conf')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
const portfinder = require('portfinder')

//首先
const express = require('express')
const app = express()
var appData = require('../data.json')
var seller = appData.seller
var goods = appData.goods
var ratings = appData.ratings
var apiRoutes = express.Router()
app.use('/api', apiRoutes)

const HOST = process.env.HOST
const PORT = process.env.PORT && Number(process.env.PORT)

const devWebpackConfig = merge(baseWebpackConfig, {
  module: {
    rules: utils.styleLoaders({
      sourceMap: config.dev.cssSourceMap,
      usePostCSS: true
    })
  },
  // cheap-module-eval-source-map is faster for development
  devtool: config.dev.devtool,

  // these devServer options should be customized in /config/index.js
  devServer: {
    clientLogLevel: 'warning',
    historyApiFallback: {
      rewrites: [{
        from: /.*/,
        to: path.join(config.dev.assetsPublicPath, 'index.html')
      }, ],
    },
    hot: true,
    contentBase: false, // since we use CopyWebpackPlugin.
    compress: true,
    host: HOST || config.dev.host,
    port: PORT || config.dev.port,
    open: config.dev.autoOpenBrowser,
    overlay: config.dev.errorOverlay ? {
      warnings: false,
      errors: true
    } : false,
    publicPath: config.dev.assetsPublicPath,
    proxy: config.dev.proxyTable,
    quiet: true, // necessary for FriendlyErrorsPlugin
    watchOptions: {
      poll: config.dev.poll,
    },

    //找到devServer,添加
    before(app) {
      app.get('/api/seller', (req, res) => {
          res.json({
            // 这里是你的json内容
            errno: 0,
            data: seller
          })
        }),
        app.get('/api/goods', (req, res) => {
          res.json({
            // 这里是你的json内容
            errno: 0,
            data: goods
          })
        }),
        app.get('/api/ratings', (req, res) => {
          res.json({
            // 这里是你的json内容
            errno: 0,
            data: ratings
          })
        })
    }
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': require('../config/dev.env')
    }),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NamedModulesPlugin(), // HMR shows correct file names in console on update.
    new webpack.NoEmitOnErrorsPlugin(),
    // https://github.com/ampedandwired/html-webpack-plugin
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: 'index.html',
      inject: true
    }),
    // copy custom static assets
    new CopyWebpackPlugin([{
      from: path.resolve(__dirname, '../static'),
      to: config.dev.assetsSubDirectory,
      ignore: ['.*']
    }])
  ]
})

module.exports = new Promise((resolve, reject) => {
  portfinder.basePort = process.env.PORT || config.dev.port
  portfinder.getPort((err, port) => {
    if (err) {
      reject(err)
    } else {
      // publish the new Port, necessary for e2e tests
      process.env.PORT = port
      // add port to devServer config
      devWebpackConfig.devServer.port = port

      // Add FriendlyErrorsPlugin
      devWebpackConfig.plugins.push(new FriendlyErrorsPlugin({
        compilationSuccessInfo: {
          messages: [`Your application is running here: http://${devWebpackConfig.devServer.host}:${port}`],
        },
        onErrors: config.dev.notifyOnErrors ?
          utils.createNotifierCallback() : undefined
      }))

      resolve(devWebpackConfig)
    }
  })
})

没有启动ESlint语法检查的webpack.dev.conf.js的代码

'use strict'
const utils = require('./utils')
const webpack = require('webpack')
const config = require('../config')
const merge = require('webpack-merge')
const path = require('path')
const baseWebpackConfig = require('./webpack.base.conf')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
const portfinder = require('portfinder')

//首先
const express = require('express')
const app = express()
var appData = require('../data.json')
var seller = appData.seller
var goods = appData.goods
var ratings = appData.ratings
var apiRoutes = express.Router()
app.use('/api', apiRoutes)

const HOST = process.env.HOST
const PORT = process.env.PORT && Number(process.env.PORT)

const devWebpackConfig = merge(baseWebpackConfig, {
  module: {
    rules: utils.styleLoaders({ sourceMap: config.dev.cssSourceMap, usePostCSS: true })
  },
  // cheap-module-eval-source-map is faster for development
  devtool: config.dev.devtool,

  // these devServer options should be customized in /config/index.js
  devServer: {
    clientLogLevel: 'warning',
    historyApiFallback: {
      rewrites: [
        { from: /.*/, to: path.posix.join(config.dev.assetsPublicPath, 'index.html') },
      ],
    },
    hot: true,
    contentBase: false, // since we use CopyWebpackPlugin.
    compress: true,
    host: HOST || config.dev.host,
    port: PORT || config.dev.port,
    open: config.dev.autoOpenBrowser,
    overlay: config.dev.errorOverlay
      ? { warnings: false, errors: true }
      : false,
    publicPath: config.dev.assetsPublicPath,
    proxy: config.dev.proxyTable,
    quiet: true, // necessary for FriendlyErrorsPlugin
    watchOptions: {
      poll: config.dev.poll,
    },
    //找到devServer,添加
    before(app) {
      app.get('/api/seller', (req, res) => {
          res.json({
            // 这里是你的json内容
            errno: 0,
            data: seller
          })
        }),
        app.get('/api/goods', (req, res) => {
          res.json({
            // 这里是你的json内容
            errno: 0,
            data: goods
          })
        }),
        app.get('/api/ratings', (req, res) => {
          res.json({
            // 这里是你的json内容
            errno: 0,
            data: ratings
          })
        })
    }
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': require('../config/dev.env')
    }),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NamedModulesPlugin(), // HMR shows correct file names in console on update.
    new webpack.NoEmitOnErrorsPlugin(),
    // https://github.com/ampedandwired/html-webpack-plugin
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: 'index.html',
      inject: true
    }),
    // copy custom static assets
    new CopyWebpackPlugin([
      {
        from: path.resolve(__dirname, '../static'),
        to: config.dev.assetsSubDirectory,
        ignore: ['.*']
      }
    ])
  ]
})

module.exports = new Promise((resolve, reject) => {
  portfinder.basePort = process.env.PORT || config.dev.port
  portfinder.getPort((err, port) => {
    if (err) {
      reject(err)
    } else {
      // publish the new Port, necessary for e2e tests
      process.env.PORT = port
      // add port to devServer config
      devWebpackConfig.devServer.port = port

      // Add FriendlyErrorsPlugin
      devWebpackConfig.plugins.push(new FriendlyErrorsPlugin({
        compilationSuccessInfo: {
          messages: [`Your application is running here: http://${devWebpackConfig.devServer.host}:${port}`],
        },
        onErrors: config.dev.notifyOnErrors
        ? utils.createNotifierCallback()
        : undefined
      }))

      resolve(devWebpackConfig)
    }
  })
})

为了更好的查看调取api回来的数据，建议安装Google的jsonview插件。然后在浏览器查看是否成功返回数据，测试：http://localhost:8080/api/goods

此时在项目中导入了一个data.json文件

 

组件拆分部分（一） 启动ESlint语法时，对各种格式的检查到了骇人的地步，多个；和换个行都能报warning！并且js文件的最后还要求换行！注释还要遵守规范！！

步骤一：导入static文件reset.css

步骤二：删除默认组件HelloWorld.vue和assets文件夹，修改router中的index.js

import Vue from 'vue'
import Router from 'vue-router'
import header from '@/components/header/header'

Vue.use(Router)

export default new Router({
  routes: [
    {
      path: '/',
      name: 'header',
      component: header
    }
  ]
})

步骤三：分别配置App.vue和main.js

App.vue

<template>
  <div id="app">
    <v-header></v-header>
    <div class="tab">
      我是导航区块
    </div>
    <div class="conpent">
      我是内容区块
    </div>
  </div>
</template>

<script>
  import header from './components/header/header.vue'
  export default {
    name: 'app',
    components: {
      'v-header': header
    }
  }
</script>

<style scoped>

</style>

// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
import App from './App'
import router from './router'

Vue.config.productionTip = false

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  template: '<App/>',
  components: { App }
})

步骤四：增加一个header.vue文件

<template>
  <div class="header">
    我是header
  </div>
</template>

<script>
export default {
  name: 'v-header'
}
</script>

<style scoped>

</style>

组件拆分部分（二） 

由于需要用到stylus语法，因此事先得安装stylus 和 stylus-loader的相关依赖包

步骤一：修改App.vue文件

<template>
  <div id="app">
    <v-header></v-header>
    <div class="tab">
      <div class="tab-item">商品</div>
      <div class="tab-item">评论</div>
      <div class="tab-item">商家</div>
    </div>
    <div class="conpent">
      我是内容区块
    </div>
  </div>
</template>

<script>
  import header from './components/header/header.vue'
  export default {
    name: 'app',
    components: {
      'v-header': header
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
#app
  .tab
    display: flex
     100%
    height: 40px
    line-height: 40px
    .tab-item
      flex: 1
      text-align: center
</style>

配置路由规则

配置路由规则没什么难度，去官方网站瞧一瞧就行了，这里有个linkActiveClass属性，挺有用的。下面稍微看一看配置过程

步骤一：创建一个goods.vue文件，其他两个ratings.vue和seller.vue类似

<template>
  <div>
    我是goods
  </div>
</template>

<script>
export default {
  name: 'v-goods'
}
</script>

<style scoped>

</style>

步骤二：在index.js文件中配置路由规则

import Vue from 'vue'
import Router from 'vue-router'
import goods from '../components/goods/goods'
import ratings from '../components/ratings/ratings'
import seller from '../components/seller/seller'

Vue.use(Router)

export default new Router({
// 改变路由激活时的class名称
  linkActiveClass: 'active',
  routes: [
    {
      path: '/',
      component: goods
    },
    {
      path: '/goods',
      component: goods
    },
    {
      path: '/ratings',
      component: ratings
    },
    {
      path: '/seller',
      component: seller
    }
  ]
})

另一种路由规则配置

import Vue from 'vue'
import Router from 'vue-router'
import header from '@/components/header/header'
import goods from '@/components/goods/goods'
import ratings from '@/components/ratings/ratings'
import seller from '@/components/seller/seller'

Vue.use(Router)

export default new Router({
  // 改变路由激活时的class名称
  linkActiveClass: 'active',
  routes: [
    {
      path: '/',
      name: 'header',
      component: header
    },
    {
      path: '/goods',
      name: 'goods',
      component: goods
    },
    {
      path: '/ratings',
      name: 'ratings',
      component: ratings
    },
    {
      path: '/seller',
      naem: 'seller',
      component: seller
    }
  ]
})

步骤三：配置根组件App.vue

<template>
  <div>
    <v-header></v-header>
    <div class="tab">
      <div class="tab-item">
          <router-link to="/goods">商品</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/ratings">评价</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/seller">商家</router-link>
      </div>
    </div>
    <router-view></router-view>
  </div>
</template>

<script>
  import header from './components/header/header.vue'
  export default {
    name: 'app',
    components: {
      'v-header': header
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .tab
    display: flex
     100%
    height: 40px
    line-height: 40px
    .tab-item
      flex: 1
      text-align: center
      & > a
       display:block
       font-size:16px
       color:rgb(77,85,93)
       &.active
        color:rgb(240,20,20)
</style>

在局域网内，通过手机访问webapp项目

命令行：ipconfig查询本机IP => 用IP代替localhost => 将地址复制到草料二维码的官方网站生成二维码 => 用微信扫一扫（假如微信扫不了的话，下载一个二维码扫描来扫描）

【注意】

需要解决ip地址无法访问vue项目的问题

1、将config文件夹中的index.js文件修改

'use strict'
// Template version: 1.3.1
// see http://vuejs-templates.github.io/webpack for documentation.

const path = require('path')

module.exports = {
  dev: {

    // Paths
    assetsSubDirectory: 'static',
    assetsPublicPath: '/',
    proxyTable: {},

    // Various Dev Server settings
    host: '0.0.0.0', // can be overwritten by process.env.HOST
    port: 8080, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
    autoOpenBrowser: false,
    errorOverlay: true,
    notifyOnErrors: true,
    poll: false, // https://webpack.js.org/configuration/dev-server/#devserver-watchoptions-

    
    /**
     * Source Maps
     */

    // https://webpack.js.org/configuration/devtool/#development
    devtool: 'cheap-module-eval-source-map',

    // If you have problems debugging vue-files in devtools,
    // set this to false - it *may* help
    // https://vue-loader.vuejs.org/en/options.html#cachebusting
    cacheBusting: true,

    cssSourceMap: true
  },

  build: {
    // Template for index.html
    index: path.resolve(__dirname, '../dist/index.html'),

    // Paths
    assetsRoot: path.resolve(__dirname, '../dist'),
    assetsSubDirectory: 'static',
    assetsPublicPath: '/',

    /**
     * Source Maps
     */

    productionSourceMap: true,
    // https://webpack.js.org/configuration/devtool/#production
    devtool: '#source-map',

    // Gzip off by default as many popular static hosts such as
    // Surge or Netlify already gzip all static assets for you.
    // Before setting to `true`, make sure to:
    // npm install --save-dev compression-webpack-plugin
    productionGzip: false,
    productionGzipExtensions: ['js', 'css'],

    // Run the build command with an extra argument to
    // View the bundle analyzer report after build finishes:
    // `npm run build --report`
    // Set to `true` or `false` to always turn it on or off
    bundleAnalyzerReport: process.env.npm_config_report
  }
}

2、重启服务

由于DPR引发的1px问题以及解决方式

步骤一：创建一个mixin.styl文件，作为边框的公共样式

border-1px($color)
  position: relative
  &:after
    display: block
    position: absolute
    left: 0
    bottom: 0
     100%
    border-top: 1px solid $color
    content: ' '

步骤二：创建一个base.styl文件，解决1px问题

@media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
  .border-1px
    &::after
      -webkit-transform: scaleY(0.7)
      transform: scaleY(0.7)

@media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
  .border-1px
    &::after
      -webkit-transform: scaleY(0.5)
      transform: scaleY(0.5)

步骤三：创建一个index.styl文件，统一导入styl文件

@import "./mixin"
@import "./icon"
@import "./base"

步骤四：修改icon.styl文件，需要更改url路径，不然会报错

@font-face
  font-family: 'sell-icon'
  src:  url('../fonts/sell-icon.eot?2430tu')
  src:  url('../fonts/sell-icon.eot?2430tu#iefix') format('embedded-opentype'),
    url('../fonts/sell-icon.ttf?2430tu') format('truetype'),
    url('../fonts/sell-icon.woff?2430tu') format('woff'),
    url('../fonts/sell-icon.svg?2430tu#sell-icon') format('svg')
  font-weight: normal
  font-style: normal


[class^="icon-"], [class*=" icon-"]
  /* use !important to prevent issues with browser extensions that change fonts */
  font-family: 'sell-icon' !important
  speak: none
  font-style: normal
  font-weight: normal
  font-variant: normal
  text-transform: none
  line-height: 1

  /* Better Font Rendering =========== */
  -webkit-font-smoothing: antialiased
  -moz-osx-font-smoothing: grayscale


.icon-add_circle:before
  content: "e900"

.icon-arrow_lift:before
  content: "e901"

.icon-check_circle:before
  content: "e902"

.icon-close:before
  content: "e903"

.icon-favorite:before
  content: "e904"

.icon-keyboard_arrow_right:before
  content: "e905"

.icon-remove_circle_outline:before
  content: "e906"

.icon-shopping_cart:before
  content: "e907"

.icon-thumb_down:before
  content: "e908"

.icon-thumb_up:before
  content: "e909"

.icon-office:before
  content: "e90a"

步骤五：配置router文件夹下的index.js文件

import Vue from 'vue'
import Router from 'vue-router'
import header from '@/components/header/header'
import goods from '@/components/goods/goods'
import ratings from '@/components/ratings/ratings'
import seller from '@/components/seller/seller'

import '@/common/stylus/index.styl'

Vue.use(Router)

export default new Router({
    // 改变路由激活时的class名称
  linkActiveClass: 'active',
  routes: [
    {
      path: '/',
      name: 'header',
      component: header
    },
    {
      path: '/goods',
      name: 'goods',
      component: goods
    },
    {
      path: '/ratings',
      name: 'ratings',
      component: ratings
    },
    {
      path: '/seller',
      naem: 'seller',
      component: seller
    }
  ]
})

步骤六：在App.vue使用写好的styl样式

<template>
  <div>
    <v-header></v-header>
    <div class="tab border-1px">
      <div class="tab-item">
          <router-link to="/goods">商品</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/ratings">评价</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/seller">商家</router-link>
      </div>
    </div>
    <router-view></router-view>
  </div>
</template>

<script>
  import header from './components/header/header.vue'
  export default {
    name: 'app',
    components: {
      'v-header': header
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "./common/stylus/mixin.styl";
  .tab
    display: flex
     100%
    height: 40px
    line-height: 40px
    /*border-bottom: 1px solid rgba(7, 17, 27, 0.1)*/
    border-1px(rgba(7, 17, 27, 0.1))
    .tab-item
      flex: 1
      text-align: center
      & > a
       display:block
       font-size:16px
       color:rgb(77,85,93)
       &.active
        color:rgb(240,20,20)
</style>

编辑.eslintrc.js的规则

假如在创建项目中出现如下情况

那么就打开.eslintrc.js文件，将其规则忽略掉（设置为0）

清除掉令人抓狂的eslintrc语法规则！

'use strict'
const path = require('path')
const utils = require('./utils')
const config = require('../config')
const vueLoaderConfig = require('./vue-loader.conf')

function resolve (dir) {
  return path.join(__dirname, '..', dir)
}

//const createLintingRule = () => ({
////test: /.(js|vue)$/,
////loader: 'eslint-loader',
////enforce: 'pre',
////include: [resolve('src'), resolve('test')],
////options: {
////  formatter: require('eslint-friendly-formatter'),
////  emitWarning: !config.dev.showEslintErrorsInOverlay
////}
//})

module.exports = {
  context: path.resolve(__dirname, '../'),
  entry: {
    app: './src/main.js'
  },
  output: {
    path: config.build.assetsRoot,
    filename: '[name].js',
    publicPath: process.env.NODE_ENV === 'production'
      ? config.build.assetsPublicPath
      : config.dev.assetsPublicPath
  },
  resolve: {
    extensions: ['.js', '.vue', '.json'],
    alias: {
      'vue$': 'vue/dist/vue.esm.js',
      '@': resolve('src'),
    }
  },
  module: {
    rules: [
//    ...(config.dev.useEslint ? [createLintingRule()] : []),
      {
        test: /.vue$/,
        loader: 'vue-loader',
        options: vueLoaderConfig
      },
      {
        test: /.js$/,
        loader: 'babel-loader',
        include: [resolve('src'), resolve('test'), resolve('node_modules/webpack-dev-server/client')]
      },
      {
        test: /.(png|jpe?g|gif|svg)(?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: utils.assetsPath('img/[name].[hash:7].[ext]')
        }
      },
      {
        test: /.(mp4|webm|ogg|mp3|wav|flac|aac)(?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: utils.assetsPath('media/[name].[hash:7].[ext]')
        }
      },
      {
        test: /.(woff2?|eot|ttf|otf)(?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: utils.assetsPath('fonts/[name].[hash:7].[ext]')
        }
      }
    ]
  },
  node: {
    // prevent webpack from injecting useless setImmediate polyfill because Vue
    // source contains it (although only uses it if it's native).
    setImmediate: false,
    // prevent webpack from injecting mocks to Node native modules
    // that does not make sense for the client
    dgram: 'empty',
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
    child_process: 'empty'
  }
}

使用vue-resource

步骤一：安装cnpm install vue-resource --save

步骤二：配置router文件夹中的index.js文件

import Vue from 'vue'
import Router from 'vue-router'
import Resource from 'vue-resource'
import header from '@/components/header/header'
import goods from '@/components/goods/goods'
import ratings from '@/components/ratings/ratings'
import seller from '@/components/seller/seller'

import '@/common/stylus/index.styl'

Vue.use(Router)
Vue.use(Resource)

export default new Router({
    // 改变路由激活时的class名称
  linkActiveClass: 'active',
  routes: [
    {
      path: '/',
      name: 'header',
      component: header
    },
    {
      path: '/goods',
      name: 'goods',
      component: goods
    },
    {
      path: '/ratings',
      name: 'ratings',
      component: ratings
    },
    {
      path: '/seller',
      naem: 'seller',
      component: seller
    }
  ]
})

步骤三：配置App.vue文件

<template>
  <div>
    <v-header></v-header>
    <div class="tab border-1px">
      <div class="tab-item">
          <router-link to="/goods">商品</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/ratings">评价</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/seller">商家</router-link>
      </div>
    </div>
    <router-view></router-view>
  </div>
</template>

<script>
  import header from './components/header/header.vue';
  const ERR_OK = 0;
  export default {
    name: 'app',
    data() {
        return {
            seller: {}
        }
    },
    created() {
        this.$http.get('api/seller').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.seller = response.data;
          }
          console.log(response.data);
        })
    },
    components: {
      'v-header': header
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "./common/stylus/mixin.styl";
  .tab
    display: flex
     100%
    height: 40px
    line-height: 40px
    /*border-bottom: 1px solid rgba(7, 17, 27, 0.1)*/
    border-1px(rgba(7, 17, 27, 0.1))
    .tab-item
      flex: 1
      text-align: center
      & > a
       display:block
       font-size:16px
       color:rgb(77,85,93)
       &.active
        color:rgb(240,20,20)
</style>

切记

导入stylus样式表必须在style作如下的定义

<style scoped lang="stylus" rel="stylesheet/stylus"></style> 

外部组件（一）

步骤一：修改App.vue，将seller对象的数据传递给组件header.vue

<template>
  <div>
    <v-header :seller="seller"></v-header>
    <div class="tab border-1px">
      <div class="tab-item">
          <router-link to="/goods">商品</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/ratings">评价</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/seller">商家</router-link>
      </div>
    </div>
    <router-view></router-view>
  </div>
</template>

<script>
  import header from './components/header/header.vue';
  const ERR_OK = 0;
  export default {
    name: 'app',
    data() {
        return {
            seller: {}
        }
    },
    created() {
        this.$http.get('api/seller').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.seller = response.data;
          }
          console.log(response.data);
          this.seller = response.data;
        })
    },
    components: {
      'v-header': header
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "./common/stylus/mixin.styl";
  .tab
    display: flex
     100%
    height: 40px
    line-height: 40px
    /*border-bottom: 1px solid rgba(7, 17, 27, 0.1)*/
    border-1px(rgba(7, 17, 27, 0.1))
    .tab-item
      flex: 1
      text-align: center
      & > a
       display:block
       font-size:16px
       color:rgb(77,85,93)
       &.active
        color:rgb(240,20,20)
</style>

步骤二：编写header.vue组件

<template>
  <div class="header">
    <div class="content-wrapper">
        <div class="avatar">
            <img width="64" height="64" :src="seller.avatar">
        </div>
        <div class="content">
            <div class="title">
                <span class="brand"></span>
                <span class="name">{{seller.name}}</span>
            </div>
            <div class="description">
                {{seller.description}}/{{seller.deliveryTime}}分钟送达
            </div>
            <div v-if="seller.supports" class="support">
                <span class="icon"></span>
                <span class="text">{{seller.supports[0].description}}</span>
            </div>
        </div>
    </div>
    <div class="bulletin-wrapper"></div>
  </div>
</template>

<script>
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    .header
        color: #fff
        background: #000
        .content-wrapper
            padding: 24px 12px 18px 24px
            .avatar
                display: inline-block
</style>

外部组件（二）

步骤一：将所需要的图片导入到header文件夹中

步骤二：编写mixin.styl文件，目的是让程序在不同设备下显示不同的图片大小

border-1px($color)
  position: relative
  &:after
    display: block
    position: absolute
    left: 0
    bottom: 0
     100%
    border-top: 1px solid $color
    content: ' '

bg-image($url)
  background-image: url($url + "@2x.png")
  @media (-webkit-min-device-pixel-ratio: 3),(min-device-pixel-ratio: 3)
    background-image: url($url + "@3x.png")

步骤三：编写base.styl文件，目的是统一页面字体

body, html
  line-height: 1
  font-weight: 200
  font-family: 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', arial, sans-serif

@media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
  .border-1px
    &::after
      -webkit-transform: scaleY(0.7)
      transform: scaleY(0.7)

@media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
  .border-1px
    &::after
      -webkit-transform: scaleY(0.5)
      transform: scaleY(0.5)

步骤四：在header.vue文件中增加样式

<template>
  <div class="header">
    <div class="content-wrapper">
        <div class="avatar">
            <img width="64" height="64" :src="seller.avatar">
        </div>
        <div class="content">
            <div class="title">
                <span class="brand"></span>
                <span class="name">{{seller.name}}</span>
            </div>
            <div class="description">
                {{seller.description}}/{{seller.deliveryTime}}分钟送达
            </div>
            <div v-if="seller.supports" class="support">
                <span class="icon"></span>
                <span class="text">{{seller.supports[0].description}}</span>
            </div>
        </div>
    </div>
    <div class="bulletin-wrapper"></div>
  </div>
</template>

<script>
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        color: #fff
        background: #000
        .content-wrapper
            padding: 24px 12px 18px 24px
            font-size: 0
            .avatar
                display: inline-block
            .content
                display: inline-block
                margin-left: 16px
                font-size: 14px
                .title
                    margin: 2px 0 8px 0
                    .brand
                        display: inline-block
                        vertical-align: top
                         30px
                        height:18px
                        bg-image("brand")
                        background-size: 30px 18px
                        background-repeat: no-repeat
                    .name
                        margin-left: 6px
                        font-size: 16px
                        line-height: 18px
                        font-weight: bold
</style>

外部组件（三）

 继续编写header.vue文件，当然相关的图片也要导入进来。我们可以通过修改<span class="icon" :class="classMap[seller.supports[0].type]"></span>的数值来决定要显示的图片，对内容显示操作也是如此：

<span class="text">{{seller.supports[0].description}}</span>

<template>
<div class="header">
  <div class="content-wrapper">
    <div class="avatar">
      <img width="64" height="64" :src="seller.avatar">
    </div>
    <div class="content">
      <div class="title">
        <span class="brand"></span>
        <span class="name">{{seller.name}}</span>
      </div>
      <div class="description">
        {{seller.description}}/{{seller.deliveryTime}}分钟送达
      </div>
      <div v-if="seller.supports" class="support">
        <span class="icon" :class="classMap[seller.supports[0].type]"></span>
        <span class="text">{{seller.supports[0].description}}</span>
      </div>
    </div>
  </div>
  <div class="bulletin-wrapper"></div>
</div>
</template>

<script>
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  },
  created() {
      this.classMap = ['decrease','discount','special','invoice','guarantee'];
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        color: #fff
        background: #000
        .content-wrapper
            padding: 24px 12px 18px 24px
            font-size: 0
            .avatar
                display: inline-block
                vertical-align: top
                img
                    border-radius: 2px
            .content
                display: inline-block
                margin-left: 16px
                .title
                    margin: 2px 0 8px 0
                    .brand
                        display: inline-block
                        vertical-align: top
                         30px
                        height:18px
                        bg-image("brand")
                        background-size: 30px 18px
                        background-repeat: no-repeat
                    .name
                        margin-left: 6px
                        font-size: 16px
                        line-height: 18px
                        font-weight: bold
                .description
                    margin-bottom: 10px
                    line-height: 12px
                    font-size: 12px
                .support
                    .icon
                        display: inline-block
                        vertical-align: top
                        height: 12px
                         12px
                        margin-right: 4px
                        background-size: 12px 12px
                        background-repeat: no-repeat
                        &.decrease
                            bg-image('decrease_1')
                        &.discount
                            bg-image('discount_1')
                        &.guarantee
                            bg-image('guarantee_1')
                        &.invoice
                            bg-image('invoice_1')
                        &.special
                            bg-image('special_1')
                    .text
                        font-size: 10px
                        line-height: 12px
</style>

外部组件（四）

继续编写header.vue文件

<template>
<div class="header">
  <div class="content-wrapper">
    <div class="avatar">
      <img width="64" height="64" :src="seller.avatar">
    </div>
    <div class="content">
      <div class="title">
        <span class="brand"></span>
        <span class="name">{{seller.name}}</span>
      </div>
      <div class="description">
        {{seller.description}}/{{seller.deliveryTime}}分钟送达
      </div>
      <div v-if="seller.supports" class="support">
        <span class="icon" :class="classMap[seller.supports[0].type]"></span>
        <span class="text">{{seller.supports[0].description}}</span>
      </div>
    </div>
    <div class="support-count" v-if="seller.supports">
        <span class="count">{{seller.supports.length}}</span>
        <i class="icon-keyboard_arrow_right"></i>
    </div>
  </div>
  <div class="bulletin-wrapper"></div>
</div>
</template>

<script>
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  },
  created() {
      this.classMap = ['decrease','discount','special','invoice','guarantee'];
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        color: #fff
        background: #000
        .content-wrapper
            position: relative
            padding: 24px 12px 18px 24px
            font-size: 0
            .avatar
                display: inline-block
                vertical-align: top
                img
                    border-radius: 2px
            .content
                display: inline-block
                margin-left: 16px
                .title
                    margin: 2px 0 8px 0
                    .brand
                        display: inline-block
                        vertical-align: top
                         30px
                        height:18px
                        bg-image("brand")
                        background-size: 30px 18px
                        background-repeat: no-repeat
                    .name
                        margin-left: 6px
                        font-size: 16px
                        line-height: 18px
                        font-weight: bold
                .description
                    margin-bottom: 10px
                    line-height: 12px
                    font-size: 12px
                .support
                    .icon
                        display: inline-block
                        vertical-align: top
                        height: 12px
                         12px
                        margin-right: 4px
                        background-size: 12px 12px
                        background-repeat: no-repeat
                        &.decrease
                            bg-image('decrease_1')
                        &.discount
                            bg-image('discount_1')
                        &.guarantee
                            bg-image('guarantee_1')
                        &.invoice
                            bg-image('invoice_1')
                        &.special
                            bg-image('special_1')
                    .text
                        font-size: 10px
                        line-height: 12px
            .support-count
                position: absolute
                right: 12px
                bottom: 14px
                padding: 0 8px
                height: 24px
                line-height: 24px
                border-radius: 14px
                background: rgba(0, 0, 0, 0.2)
                text-align: center
                .count
                    vertical-align: top
                    font-size: 10px
                .icon-keyboard_arrow_right
                    margin-left: 2px
                    line-height: 24px
                    font-size: 10px
</style>

外部组件（五）

继续编写header.vue文件，增加公告部分

<template>
<div class="header">
  <div class="content-wrapper">
    <div class="avatar">
      <img width="64" height="64" :src="seller.avatar">
    </div>
    <div class="content">
      <div class="title">
        <span class="brand"></span>
        <span class="name">{{seller.name}}</span>
      </div>
      <div class="description">
        {{seller.description}}/{{seller.deliveryTime}}分钟送达
      </div>
      <div v-if="seller.supports" class="support">
        <span class="icon" :class="classMap[seller.supports[0].type]"></span>
        <span class="text">{{seller.supports[0].description}}</span>
      </div>
    </div>
    <div class="support-count" v-if="seller.supports">
      <span class="count">{{seller.supports.length}}</span>
      <i class="icon-keyboard_arrow_right"></i>
    </div>
  </div>
  <div class="bulletin-wrapper">
    <span class="bulletin-title"></span>
    <span class="bulletin-text">{{seller.bulletin}}</span>
    <i class="icon-keyboard_arrow_right"></i>
  </div>
</div>
</template>

<script>
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  },
  created() {
      this.classMap = ['decrease','discount','special','invoice','guarantee'];
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        color: #fff
        background: #000
        .content-wrapper
            position: relative
            padding: 24px 12px 18px 24px
            font-size: 0
            .avatar
                display: inline-block
                vertical-align: top
                img
                    border-radius: 2px
            .content
                display: inline-block
                margin-left: 16px
                .title
                    margin: 2px 0 8px 0
                    .brand
                        display: inline-block
                        vertical-align: top
                         30px
                        height:18px
                        bg-image("brand")
                        background-size: 30px 18px
                        background-repeat: no-repeat
                    .name
                        margin-left: 6px
                        font-size: 16px
                        line-height: 18px
                        font-weight: bold
                .description
                    margin-bottom: 10px
                    line-height: 12px
                    font-size: 12px
                .support
                    .icon
                        display: inline-block
                        vertical-align: top
                        height: 12px
                         12px
                        margin-right: 4px
                        background-size: 12px 12px
                        background-repeat: no-repeat
                        &.decrease
                            bg-image('decrease_1')
                        &.discount
                            bg-image('discount_1')
                        &.guarantee
                            bg-image('guarantee_1')
                        &.invoice
                            bg-image('invoice_1')
                        &.special
                            bg-image('special_1')
                    .text
                        font-size: 10px
                        line-height: 12px
            .support-count
                position: absolute
                right: 12px
                bottom: 14px
                padding: 0 8px
                height: 24px
                line-height: 24px
                border-radius: 14px
                background: rgba(0, 0, 0, 0.2)
                text-align: center
                .count
                    vertical-align: top
                    font-size: 10px
                .icon-keyboard_arrow_right
                    margin-left: 2px
                    line-height: 24px
                    font-size: 10px
        .bulletin-wrapper
            position: relative
            height: 28px
            line-height: 28px
            padding: 0 22px 0 12px
            white-space: nowrap
            overflow: hidden
            text-overflow: ellipsis
            background: rgba(7, 17, 27, 0.2)
            .bulletin-title
                display: inline-block
                vertical-align: top
                margin-top: 8px
                 22px
                height: 12px
                bg-image('bulletin')
                background-size: 22px 12px
                background-repeat: no-repeat
            .bulletin-text
                vertical-align: top
                margin: 0 4px
                font-size: 10px
            .icon-keyboard_arrow_right
                position: absolute
                font-size: 10px
                right: 12px
                top: 8px
</style>

外部组件（六）

 继续编写header.vue文件，增加顶部蒙层效果

<template>
<div class="header">
  <div class="content-wrapper">
    <div class="avatar">
      <img width="64" height="64" :src="seller.avatar">
    </div>
    <div class="content">
      <div class="title">
        <span class="brand"></span>
        <span class="name">{{seller.name}}</span>
      </div>
      <div class="description">
        {{seller.description}}/{{seller.deliveryTime}}分钟送达
      </div>
      <div v-if="seller.supports" class="support">
        <span class="icon" :class="classMap[seller.supports[0].type]"></span>
        <span class="text">{{seller.supports[0].description}}</span>
      </div>
    </div>
    <div class="support-count" v-if="seller.supports">
      <span class="count">{{seller.supports.length}}</span>
      <i class="icon-keyboard_arrow_right"></i>
    </div>
  </div>
  <div class="bulletin-wrapper">
    <span class="bulletin-title"></span>
    <span class="bulletin-text">{{seller.bulletin}}</span>
    <i class="icon-keyboard_arrow_right"></i>
  </div>
  <div class="background">
    <img :src="seller.avatar" width="100%" height="100%">
  </div>
</div>
</template>

<script>
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  },
  created() {
      this.classMap = ['decrease','discount','special','invoice','guarantee'];
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        position: relative
        overflow: hidden
        color: #fff
        background: rgba(7,17,27,0.5)
        .content-wrapper
            position: relative
            padding: 24px 12px 18px 24px
            font-size: 0
            .avatar
                display: inline-block
                vertical-align: top
                img
                    border-radius: 2px
            .content
                display: inline-block
                margin-left: 16px
                .title
                    margin: 2px 0 8px 0
                    .brand
                        display: inline-block
                        vertical-align: top
                         30px
                        height:18px
                        bg-image("brand")
                        background-size: 30px 18px
                        background-repeat: no-repeat
                    .name
                        margin-left: 6px
                        font-size: 16px
                        line-height: 18px
                        font-weight: bold
                .description
                    margin-bottom: 10px
                    line-height: 12px
                    font-size: 12px
                .support
                    .icon
                        display: inline-block
                        vertical-align: top
                        height: 12px
                         12px
                        margin-right: 4px
                        background-size: 12px 12px
                        background-repeat: no-repeat
                        &.decrease
                            bg-image('decrease_1')
                        &.discount
                            bg-image('discount_1')
                        &.guarantee
                            bg-image('guarantee_1')
                        &.invoice
                            bg-image('invoice_1')
                        &.special
                            bg-image('special_1')
                    .text
                        font-size: 10px
                        line-height: 12px
            .support-count
                position: absolute
                right: 12px
                bottom: 14px
                padding: 0 8px
                height: 24px
                line-height: 24px
                border-radius: 14px
                background: rgba(0, 0, 0, 0.2)
                text-align: center
                .count
                    vertical-align: top
                    font-size: 10px
                .icon-keyboard_arrow_right
                    margin-left: 2px
                    line-height: 24px
                    font-size: 10px
        .bulletin-wrapper
            position: relative
            height: 28px
            line-height: 28px
            padding: 0 22px 0 12px
            white-space: nowrap
            overflow: hidden
            text-overflow: ellipsis
            background: rgba(7, 17, 27, 0.2)
            .bulletin-title
                display: inline-block
                vertical-align: top
                margin-top: 8px
                 22px
                height: 12px
                bg-image('bulletin')
                background-size: 22px 12px
                background-repeat: no-repeat
            .bulletin-text
                vertical-align: top
                margin: 0 4px
                font-size: 10px
            .icon-keyboard_arrow_right
                position: absolute
                font-size: 10px
                right: 12px
                top: 8px
        .background
            position: absolute
            top: 0
            left: 0
             100%
            height: 100%
            z-index: -1
            /*增加模糊度*/
            filter: blur(5px)
</style>

详情弹层页（一）

 继续编写header.vue文件，增加详情弹层效果

<template>
<div class="header">
  <div class="content-wrapper">
    <div class="avatar">
      <img width="64" height="64" :src="seller.avatar">
    </div>
    <div class="content">
      <div class="title">
        <span class="brand"></span>
        <span class="name">{{seller.name}}</span>
      </div>
      <div class="description">
        {{seller.description}}/{{seller.deliveryTime}}分钟送达
      </div>
      <div v-if="seller.supports" class="support">
        <span class="icon" :class="classMap[seller.supports[0].type]"></span>
        <span class="text">{{seller.supports[0].description}}</span>
      </div>
    </div>
    <div class="support-count" v-if="seller.supports" @click="showDetail">
      <span class="count">{{seller.supports.length}}</span>
      <i class="icon-keyboard_arrow_right"></i>
    </div>
  </div>
  <div class="bulletin-wrapper" @click="showDetail">
    <span class="bulletin-title"></span>
    <span class="bulletin-text">{{seller.bulletin}}</span>
    <i class="icon-keyboard_arrow_right"></i>
  </div>
  <div class="background">
    <img :src="seller.avatar" width="100%" height="100%">
  </div>
  <div class="detail" v-show="detailShow"></div>
</div>
</template>

<script>
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  },
  data() {
      return {
          detailShow: false
      };
  },
  methods: {
      showDetail() {
          this.detailShow = true;
      }
  },
  created() {
      this.classMap = ['decrease','discount','special','invoice','guarantee'];
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        position: relative
        overflow: hidden
        color: #fff
        background: rgba(7,17,27,0.5)
        .content-wrapper
            position: relative
            padding: 24px 12px 18px 24px
            font-size: 0
            .avatar
                display: inline-block
                vertical-align: top
                img
                    border-radius: 2px
            .content
                display: inline-block
                margin-left: 16px
                .title
                    margin: 2px 0 8px 0
                    .brand
                        display: inline-block
                        vertical-align: top
                         30px
                        height:18px
                        bg-image("brand")
                        background-size: 30px 18px
                        background-repeat: no-repeat
                    .name
                        margin-left: 6px
                        font-size: 16px
                        line-height: 18px
                        font-weight: bold
                .description
                    margin-bottom: 10px
                    line-height: 12px
                    font-size: 12px
                .support
                    .icon
                        display: inline-block
                        vertical-align: top
                        height: 12px
                         12px
                        margin-right: 4px
                        background-size: 12px 12px
                        background-repeat: no-repeat
                        &.decrease
                            bg-image('decrease_1')
                        &.discount
                            bg-image('discount_1')
                        &.guarantee
                            bg-image('guarantee_1')
                        &.invoice
                            bg-image('invoice_1')
                        &.special
                            bg-image('special_1')
                    .text
                        font-size: 10px
                        line-height: 12px
            .support-count
                position: absolute
                right: 12px
                bottom: 14px
                padding: 0 8px
                height: 24px
                line-height: 24px
                border-radius: 14px
                background: rgba(0, 0, 0, 0.2)
                text-align: center
                .count
                    vertical-align: top
                    font-size: 10px
                .icon-keyboard_arrow_right
                    margin-left: 2px
                    line-height: 24px
                    font-size: 10px
        .bulletin-wrapper
            position: relative
            height: 28px
            line-height: 28px
            padding: 0 22px 0 12px
            white-space: nowrap
            overflow: hidden
            text-overflow: ellipsis
            background: rgba(7, 17, 27, 0.2)
            .bulletin-title
                display: inline-block
                vertical-align: top
                margin-top: 8px
                 22px
                height: 12px
                bg-image('bulletin')
                background-size: 22px 12px
                background-repeat: no-repeat
            .bulletin-text
                vertical-align: top
                margin: 0 4px
                font-size: 10px
            .icon-keyboard_arrow_right
                position: absolute
                font-size: 10px
                right: 12px
                top: 8px
        .background
            position: absolute
            top: 0
            left: 0
             100%
            height: 100%
            z-index: -1
            /*增加模糊度*/
            filter: blur(5px)
        .detail
            position: fixed
            top: 0
            left: 0
            z-index: 100
            height: 100%
             100%
            overflow: auto
            backdrop-filter: blur(10px)
            opacity: 1
            background: rgba(7, 17, 27, 0.8)
</style>

详情弹层页（二）

sticky footers布局相关知识

 继续编写header.vue文件，设置弹窗关闭按钮，利用sticky footers知识

<template>
<div class="header">
  <div class="content-wrapper">
    <div class="avatar">
      <img width="64" height="64" :src="seller.avatar">
    </div>
    <div class="content">
      <div class="title">
        <span class="brand"></span>
        <span class="name">{{seller.name}}</span>
      </div>
      <div class="description">
        {{seller.description}}/{{seller.deliveryTime}}分钟送达
      </div>
      <div v-if="seller.supports" class="support">
        <span class="icon" :class="classMap[seller.supports[0].type]"></span>
        <span class="text">{{seller.supports[0].description}}</span>
      </div>
    </div>
    <div class="support-count" v-if="seller.supports" @click="showDetail">
      <span class="count">{{seller.supports.length}}</span>
      <i class="icon-keyboard_arrow_right"></i>
    </div>
  </div>
  <div class="bulletin-wrapper" @click="showDetail">
    <span class="bulletin-title"></span>
    <span class="bulletin-text">{{seller.bulletin}}</span>
    <i class="icon-keyboard_arrow_right"></i>
  </div>
  <div class="background">
    <img :src="seller.avatar" width="100%" height="100%">
  </div>
  
  <div class="detail" v-show="detailShow">
      <div class="detail-wrapper clearfix">
          <div class="detail-main"></div>
      </div>
      <div class="detail-close">
          <i class="icon-close"></i>
      </div>
  </div>
</div>
</template>

<script>
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  },
  data() {
      return {
          detailShow: false
      };
  },
  methods: {
      showDetail() {
          this.detailShow = true;
      }
  },
  created() {
      this.classMap = ['decrease','discount','special','invoice','guarantee'];
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        position: relative
        overflow: hidden
        color: #fff
        background: rgba(7,17,27,0.5)
        .content-wrapper
            position: relative
            padding: 24px 12px 18px 24px
            font-size: 0
            .avatar
                display: inline-block
                vertical-align: top
                img
                    border-radius: 2px
            .content
                display: inline-block
                margin-left: 16px
                .title
                    margin: 2px 0 8px 0
                    .brand
                        display: inline-block
                        vertical-align: top
                         30px
                        height:18px
                        bg-image("brand")
                        background-size: 30px 18px
                        background-repeat: no-repeat
                    .name
                        margin-left: 6px
                        font-size: 16px
                        line-height: 18px
                        font-weight: bold
                .description
                    margin-bottom: 10px
                    line-height: 12px
                    font-size: 12px
                .support
                    .icon
                        display: inline-block
                        vertical-align: top
                        height: 12px
                         12px
                        margin-right: 4px
                        background-size: 12px 12px
                        background-repeat: no-repeat
                        &.decrease
                            bg-image('decrease_1')
                        &.discount
                            bg-image('discount_1')
                        &.guarantee
                            bg-image('guarantee_1')
                        &.invoice
                            bg-image('invoice_1')
                        &.special
                            bg-image('special_1')
                    .text
                        font-size: 10px
                        line-height: 12px
            .support-count
                position: absolute
                right: 12px
                bottom: 14px
                padding: 0 8px
                height: 24px
                line-height: 24px
                border-radius: 14px
                background: rgba(0, 0, 0, 0.2)
                text-align: center
                .count
                    vertical-align: top
                    font-size: 10px
                .icon-keyboard_arrow_right
                    margin-left: 2px
                    line-height: 24px
                    font-size: 10px
        .bulletin-wrapper
            position: relative
            height: 28px
            line-height: 28px
            padding: 0 22px 0 12px
            white-space: nowrap
            overflow: hidden
            text-overflow: ellipsis
            background: rgba(7, 17, 27, 0.2)
            .bulletin-title
                display: inline-block
                vertical-align: top
                margin-top: 8px
                 22px
                height: 12px
                bg-image('bulletin')
                background-size: 22px 12px
                background-repeat: no-repeat
            .bulletin-text
                vertical-align: top
                margin: 0 4px
                font-size: 10px
            .icon-keyboard_arrow_right
                position: absolute
                font-size: 10px
                right: 12px
                top: 8px
        .background
            position: absolute
            top: 0
            left: 0
             100%
            height: 100%
            z-index: -1
            /*增加模糊度*/
            filter: blur(5px)
        .detail
            position: fixed
            top: 0
            left: 0
            z-index: 100
            height: 100%
             100%
            overflow: auto
            background: rgba(7, 17, 27, 0.8)
            .detail-wrapper
                min-height: 100%
                 100%
                .detail-main
                    margin-top: 64px
                    padding-bottom: 64px
            .detail-close
                position: relative
                 32px
                height: 32px
                margin: -64px auto 0 auto
                clear: both
                font-size: 32px
</style>

编写base.styl文件，设置清除浮动样式

body, html
  line-height: 1
  font-weight: 200
  font-family: 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', arial, sans-serif

.clearfix
  display: inline-block
  &:after
    display: block
    content: "."
    height: 0
    line-height: 0
    clear: both
    visibility: hidden

@media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
  .border-1px
    &::after
      -webkit-transform: scaleY(0.7)
      transform: scaleY(0.7)

@media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
  .border-1px
    &::after
      -webkit-transform: scaleY(0.5)
      transform: scaleY(0.5)

详情弹层页（三、四）

步骤一：新建一个通用的组件star.vue

<template>
  <div class="star" :class="starType">
    <span v-for="itemClass in itemClasses" :class="itemClass" class="star-item"></span>
  </div>
</template>

<script>
  const LENGTH = 5;
  const CLS_ON = 'on';
  const CLS_HALF = 'half';
  const CLS_OFF = 'off';

  export default {
    props: {
      size: {
          type: Number
      },
      score: {
          type: Number
      }
    },
    computed: {
      starType() {
        return 'star-' + this.size;
      },
      itemClasses() {
        let result = [];
        let score = Math.floor(this.score * 2) / 2;
        let hasDecimal = score % 1 !== 0;
        let integer = Math.floor(score);
        for (let i = 0; i < integer; i++) {
          result.push(CLS_ON);
        }
        if (hasDecimal) {
          result.push(CLS_HALF);
        }
        while (result.length < LENGTH) {
          result.push(CLS_OFF);
        }
        return result;
      }
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"

  .star
    font-size: 0
    .star-item
      display: inline-block
      background-repeat: no-repeat
    &.star-48
      .star-item
         20px
        height: 20px
        margin-right: 22px
        background-size: 20px 20px
        &:last-child
          margin-right: 0
        &.on
          bg-image('star48_on')
        &.half
          bg-image('star48_half')
        &.off
          bg-image('star48_off')
    &.star-36
      .star-item
         15px
        height: 15px
        margin-right: 6px
        background-size: 15px 15px
        &:last-child
          margin-right: 0
        &.on
          bg-image('star36_on')
        &.half
          bg-image('star36_half')
        &.off
          bg-image('star36_off')
    &.star-24
      .star-item
         10px
        height: 10px
        margin-right: 3px
        background-size: 10px 10px
        &:last-child
          margin-right: 0
        &.on
          bg-image('star24_on')
        &.half
          bg-image('star24_half')
        &.off
          bg-image('star24_off')
</style>

步骤二：继续编写header.vue文件

<template>
<div class="header">
  <div class="content-wrapper">
    <div class="avatar">
      <img width="64" height="64" :src="seller.avatar">
    </div>
    <div class="content">
      <div class="title">
        <span class="brand"></span>
        <span class="name">{{seller.name}}</span>
      </div>
      <div class="description">
        {{seller.description}}/{{seller.deliveryTime}}分钟送达
      </div>
      <div v-if="seller.supports" class="support">
        <span class="icon" :class="classMap[seller.supports[0].type]"></span>
        <span class="text">{{seller.supports[0].description}}</span>
      </div>
    </div>
    <div class="support-count" v-if="seller.supports" @click="showDetail">
      <span class="count">{{seller.supports.length}}</span>
      <i class="icon-keyboard_arrow_right"></i>
    </div>
  </div>
  <div class="bulletin-wrapper" @click="showDetail">
    <span class="bulletin-title"></span>
    <span class="bulletin-text">{{seller.bulletin}}</span>
    <i class="icon-keyboard_arrow_right"></i>
  </div>
  <div class="background">
    <img :src="seller.avatar" width="100%" height="100%">
  </div>

  <div class="detail" v-show="detailShow">
    <div class="detail-wrapper clearfix">
      <div class="detail-main">
        <h1 class="name">{{seller.name}}</h1>
        <div class="star-wrapper">
          <star :size="36" :score="seller.score"></star>
        </div>
      </div>
    </div>
    <div class="detail-close">
      <i class="icon-close"></i>
    </div>
  </div>
</div>
</template>

<script>
import star from '../../components/star/star';
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  },
  data() {
      return {
          detailShow: false
      };
  },
  methods: {
      showDetail() {
          this.detailShow = true;
      }
  },
  created() {
      this.classMap = ['decrease','discount','special','invoice','guarantee'];
  },
    components: {
      star
    }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        position: relative
        overflow: hidden
        color: #fff
        background: rgba(7,17,27,0.5)
        .content-wrapper
            position: relative
            padding: 24px 12px 18px 24px
            font-size: 0
            .avatar
                display: inline-block
                vertical-align: top
                img
                    border-radius: 2px
            .content
                display: inline-block
                margin-left: 16px
                .title
                    margin: 2px 0 8px 0
                    .brand
                        display: inline-block
                        vertical-align: top
                         30px
                        height:18px
                        bg-image("brand")
                        background-size: 30px 18px
                        background-repeat: no-repeat
                    .name
                        margin-left: 6px
                        font-size: 16px
                        line-height: 18px
                        font-weight: bold
                .description
                    margin-bottom: 10px
                    line-height: 12px
                    font-size: 12px
                .support
                    .icon
                        display: inline-block
                        vertical-align: top
                        height: 12px
                         12px
                        margin-right: 4px
                        background-size: 12px 12px
                        background-repeat: no-repeat
                        &.decrease
                            bg-image('decrease_1')
                        &.discount
                            bg-image('discount_1')
                        &.guarantee
                            bg-image('guarantee_1')
                        &.invoice
                            bg-image('invoice_1')
                        &.special
                            bg-image('special_1')
                    .text
                        font-size: 10px
                        line-height: 12px
            .support-count
                position: absolute
                right: 12px
                bottom: 14px
                padding: 0 8px
                height: 24px
                line-height: 24px
                border-radius: 14px
                background: rgba(0, 0, 0, 0.2)
                text-align: center
                .count
                    vertical-align: top
                    font-size: 10px
                .icon-keyboard_arrow_right
                    margin-left: 2px
                    line-height: 24px
                    font-size: 10px
        .bulletin-wrapper
            position: relative
            height: 28px
            line-height: 28px
            padding: 0 22px 0 12px
            white-space: nowrap
            overflow: hidden
            text-overflow: ellipsis
            background: rgba(7, 17, 27, 0.2)
            .bulletin-title
                display: inline-block
                vertical-align: top
                margin-top: 8px
                 22px
                height: 12px
                bg-image('bulletin')
                background-size: 22px 12px
                background-repeat: no-repeat
            .bulletin-text
                vertical-align: top
                margin: 0 4px
                font-size: 10px
            .icon-keyboard_arrow_right
                position: absolute
                font-size: 10px
                right: 12px
                top: 8px
        .background
            position: absolute
            top: 0
            left: 0
             100%
            height: 100%
            z-index: -1
            /*增加模糊度*/
            filter: blur(5px)
        .detail
            position: fixed
            top: 0
            left: 0
            z-index: 100
            height: 100%
             100%
            overflow: auto
            background: rgba(7, 17, 27, 0.8)
            .detail-wrapper
                min-height: 100%
                 100%
                .detail-main
                    margin-top: 64px
                    padding-bottom: 64px
                    .name
                        line-height: 16px
                        text-align: center
                        font-size: 16px
                        font-weight: 700
                    .star-wrapper
                        margin-top: 18px
                        padding: 2px 0
                        text-align: center
            .detail-close
                position: relative
                 32px
                height: 32px
                margin: -64px auto 0 auto
                clear: both
                font-size: 32px
</style>

详情弹层页（五）

继续编写header.vue文件，增加响应式的水平线条

<template>
<div class="header">
  <div class="content-wrapper">
    <div class="avatar">
      <img width="64" height="64" :src="seller.avatar">
    </div>
    <div class="content">
      <div class="title">
        <span class="brand"></span>
        <span class="name">{{seller.name}}</span>
      </div>
      <div class="description">
        {{seller.description}}/{{seller.deliveryTime}}分钟送达
      </div>
      <div v-if="seller.supports" class="support">
        <span class="icon" :class="classMap[seller.supports[0].type]"></span>
        <span class="text">{{seller.supports[0].description}}</span>
      </div>
    </div>
    <div class="support-count" v-if="seller.supports" @click="showDetail">
      <span class="count">{{seller.supports.length}}</span>
      <i class="icon-keyboard_arrow_right"></i>
    </div>
  </div>
  <div class="bulletin-wrapper" @click="showDetail">
    <span class="bulletin-title"></span>
    <span class="bulletin-text">{{seller.bulletin}}</span>
    <i class="icon-keyboard_arrow_right"></i>
  </div>
  <div class="background">
    <img :src="seller.avatar" width="100%" height="100%">
  </div>

  <div class="detail" v-show="detailShow">
    <div class="detail-wrapper clearfix">
      <div class="detail-main">
        <h1 class="name">{{seller.name}}</h1>
        <div class="star-wrapper">
          <star :size="36" :score="seller.score"></star>
        </div>
        <div class="title">
            <div class="line"></div>
            <div class="text">优惠信息</div>
            <div class="line"></div>
        </div>
      </div>
    </div>
    <div class="detail-close">
      <i class="icon-close"></i>
    </div>
  </div>
</div>
</template>

<script>
import star from '../../components/star/star';
export default {
  name: 'v-header',
  props: {
      seller: {
          type: Object
      }
  },
  data() {
      return {
          detailShow: false
      };
  },
  methods: {
      showDetail() {
          this.detailShow = true;
      }
  },
  created() {
      this.classMap = ['decrease','discount','special','invoice','guarantee'];
  },
    components: {
      star
    }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        position: relative
        overflow: hidden
        color: #fff
        background: rgba(7,17,27,0.5)
        .content-wrapper
            position: relative
            padding: 24px 12px 18px 24px
            font-size: 0
            .avatar
                display: inline-block
                vertical-align: top
                img
                    border-radius: 2px
            .content
                display: inline-block
                margin-left: 16px
                .title
                    margin: 2px 0 8px 0
                    .brand
                        display: inline-block
                        vertical-align: top
                         30px
                        height:18px
                        bg-image("brand")
                        background-size: 30px 18px
                        background-repeat: no-repeat
                    .name
                        margin-left: 6px
                        font-size: 16px
                        line-height: 18px
                        font-weight: bold
                .description
                    margin-bottom: 10px
                    line-height: 12px
                    font-size: 12px
                .support
                    .icon
                        display: inline-block
                        vertical-align: top
                        height: 12px
                         12px
                        margin-right: 4px
                        background-size: 12px 12px
                        background-repeat: no-repeat
                        &.decrease
                            bg-image('decrease_1')
                        &.discount
                            bg-image('discount_1')
                        &.guarantee
                            bg-image('guarantee_1')
                        &.invoice
                            bg-image('invoice_1')
                        &.special
                            bg-image('special_1')
                    .text
                        font-size: 10px
                        line-height: 12px
            .support-count
                position: absolute
                right: 12px
                bottom: 14px
                padding: 0 8px
                height: 24px
                line-height: 24px
                border-radius: 14px
                background: rgba(0, 0, 0, 0.2)
                text-align: center
                .count
                    vertical-align: top
                    font-size: 10px
                .icon-keyboard_arrow_right
                    margin-left: 2px
                    line-height: 24px
                    font-size: 10px
        .bulletin-wrapper
            position: relative
            height: 28px
            line-height: 28px
            padding: 0 22px 0 12px
            white-space: nowrap
            overflow: hidden
            text-overflow: ellipsis
            background: rgba(7, 17, 27, 0.2)
            .bulletin-title
                display: inline-block
                vertical-align: top
                margin-top: 8px
                 22px
                height: 12px
                bg-image('bulletin')
                background-size: 22px 12px
                background-repeat: no-repeat
            .bulletin-text
                vertical-align: top
                margin: 0 4px
                font-size: 10px
            .icon-keyboard_arrow_right
                position: absolute
                font-size: 10px
                right: 12px
                top: 8px
        .background
            position: absolute
            top: 0
            left: 0
             100%
            height: 100%
            z-index: -1
            /*增加模糊度*/
            filter: blur(5px)
        .detail
            position: fixed
            top: 0
            left: 0
            z-index: 100
            height: 100%
             100%
            overflow: auto
            background: rgba(7, 17, 27, 0.8)
            .detail-wrapper
                min-height: 100%
                 100%
                .detail-main
                    margin-top: 64px
                    padding-bottom: 64px
                    .name
                        line-height: 16px
                        text-align: center
                        font-size: 16px
                        font-weight: 700
                    .star-wrapper
                        margin-top: 18px
                        padding: 2px 0
                        text-align: center
                    .title
                        display: flex
                         80%
                        margin: 28px auto 24px auto
                        .line
                            flex: 1
                            position: relative
                            top: -6px
                            border-bottom: 1px solid rgba(255, 255, 255, 0.2)
                        .text
                            padding: 0 12px
                            font-weight: 700
                            font-size: 14px
                        
            .detail-close
                position: relative
                 32px
                height: 32px
                margin: -64px auto 0 auto
                clear: both
                font-size: 32px
</style>

食品组件布局（一）

创建goods.vue组件，首先编写食品左侧内容

<template>
  <div class="goods">
    <div class="menu-wrapper">
            <ul>
                <li v-for="item in goods" class="menu-item">
                    <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span>
                        {{item.name}}
                    </span>
                </li>
            </ul>
    </div>
    <div class="foods-wrapper">
        
    </div>
  </div>
</template>

<script>
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: []
        };
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;
          }
          console.log(response.data);
          this.goods = response.data;
        })
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
</style>

食品组件布局（二）

编写goods.vue组件，增加右侧内容

<template>
<div class="goods">
  <div class="menu-wrapper">
    <ul>
      <li v-for="item in goods" class="menu-item">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper">
    <ul>
      <li v-for="item in goods" class="food-list">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item">
            <div class="icon">
              <img :src="food.icon" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span>月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span>￥{{food.price}}</span>
                <span v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</template>

<script>
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: []
        };
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;
          }
          console.log(response.data);
          this.goods = response.data;
        })
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
</style>

食品组件布局（三）

继续编写goods.vue组件，增加样式

<template>
<div class="goods">
  <div class="menu-wrapper">
    <ul>
      <li v-for="item in goods" class="menu-item">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper">
    <ul>
      <li v-for="item in goods" class="food-list">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item border-1px">
            <div class="icon">
              <img :src="food.icon" width="57" height="57" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span>月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span>￥{{food.price}}</span>
                <span v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</template>

<script>
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: []
        };
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;
          }
          console.log(response.data);
          this.goods = response.data;
        })
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
</style>

食品组件布局（四）

继续编写goods.vue组件，完成样式部分

<template>
<div class="goods">
  <div class="menu-wrapper">
    <ul>
      <li v-for="item in goods" class="menu-item">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper">
    <ul>
      <li v-for="item in goods" class="food-list">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item border-1px">
            <div class="icon">
              <img :src="food.icon" width="57" height="57" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span class="count">月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span class="now">￥{{food.price}}</span>
                <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</template>

<script>
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: []
        };
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;
          }
          console.log(response.data);
          this.goods = response.data;
        })
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                    .extra
                        &.count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                        
</style>

使用better-scroll（一）

插件地址：https://github.com/ustbhuangyi/better-scroll

步骤一：下载安装cnpm install better-scroll --save

步骤二：编写goods.vue组件，让页面滚动起来

<template>
<div class="goods">
  <div class="menu-wrapper" ref="menuWrapper">
    <ul>
      <li v-for="item in goods" class="menu-item">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper" ref="foodsWrapper">
    <ul>
      <li v-for="item in goods" class="food-list">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item border-1px">
            <div class="icon">
              <img :src="food.icon" width="57" height="57" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span class="count">月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span class="now">￥{{food.price}}</span>
                <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</template>

<script>
    import BScroll from 'better-scroll'
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: []
        };
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;              
          }
          this.goods = response.data;
          this.$nextTick(() => {
                  this._initScroll();
          });
        });
    },
    methods: {
         _initScroll() {
             this.menuScroll = new BScroll(this.$refs.menuWrapper,{});
             
             this.foodsScroll = new BScroll(this.$refs.foodsWrapper,{});
         }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                        
</style>

使用better-scroll（二）

编写goods.vue组件，监测右侧页面高度

<template>
<div class="goods">
  <div class="menu-wrapper" ref="menuWrapper">
    <ul>
      <li v-for="item in goods" class="menu-item">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper" ref="foodsWrapper">
    <ul>
      <li v-for="item in goods" class="food-list food-list-hook">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item border-1px">
            <div class="icon">
              <img :src="food.icon" width="57" height="57" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span class="count">月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span class="now">￥{{food.price}}</span>
                <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</template>

<script>
    import BScroll from 'better-scroll'
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: [],
            listHeight: [],
            scrollY: 0
        };
    },
    computed: {
        currentIndex() {
            for(let i=0;i<this.listHeight.length;i++){
                let height1 = this.listHeight[i];
                let height2 = this.listHeight[i+1];
                if (!height2 || (this.scrollY > height1 && this.scrollY <height2)){
                    return i;
                }
            }
            return 0;
        }
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;              
          }
          this.goods = response.data;
          this.$nextTick(() => {
                  this._initScroll();
                  this._calculateHeight();
          });
        });
    },
    methods: {
         _initScroll() {
             this.menuScroll = new BScroll(this.$refs.menuWrapper,{});
             
             this.foodsScroll = new BScroll(this.$refs.foodsWrapper,{
                 probeType: 3
             });
             
             this.foodsScroll.on("scroll",(pos) => {
                 this.scrollY = Math.abs(Math.round(pos.y));
             });
         },
         _calculateHeight() {
             let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
            let height = 0;
            this.listHeight.push(height);
            for(let i=0;i<foodList.length;i++){
                let item = foodList[i];
                height += item.clientHeight;
                this.listHeight.push(height);
            }
         }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                        
</style>

使用better-scroll（三）

编写goods.vue组件，实现右侧滚动左边实时发生变化

<template>
<div class="goods">
  <div class="menu-wrapper" ref="menuWrapper">
    <ul>
      <li v-for="(item,index) in goods" class="menu-item" :class="{'current':currentIndex===index}">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper" ref="foodsWrapper">
    <ul>
      <li v-for="item in goods" class="food-list food-list-hook">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item border-1px">
            <div class="icon">
              <img :src="food.icon" width="57" height="57" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span class="count">月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span class="now">￥{{food.price}}</span>
                <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</template>

<script>
    import BScroll from 'better-scroll'
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: [],
            listHeight: [],
            scrollY: 0
        };
    },
    computed: {
        currentIndex() {
            for(let i=0;i<this.listHeight.length;i++){
                let height1 = this.listHeight[i];
                let height2 = this.listHeight[i+1];
                if (!height2 || (this.scrollY >= height1 && this.scrollY < height2)){
                    return i;
                }
            }
            return 0;
        }
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;              
          }
          this.goods = response.data;
          this.$nextTick(() => {
                  this._initScroll();
                  this._calculateHeight();
          });
        });
    },
    methods: {
         _initScroll() {
             this.menuScroll = new BScroll(this.$refs.menuWrapper,{});
             
             this.foodsScroll = new BScroll(this.$refs.foodsWrapper,{
                 probeType: 3
             });
             
             this.foodsScroll.on("scroll",(pos) => {
                 this.scrollY = Math.abs(Math.round(pos.y));
             });
         },
         _calculateHeight() {
             let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
            let height = 0;
            this.listHeight.push(height);
            for(let i=0;i<foodList.length;i++){
                let item = foodList[i];
                height += item.clientHeight;
                this.listHeight.push(height);
            }
         }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                &.current
                    position: relative
                    z-index: 10
                    margin-top: -1px
                    background: #ccc
                    font-weight: 700
                    .text
                        border-none()
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                        
</style>

使用better-scroll（四）

编写goods.vue组价，完全实现左右联动

<template>
<div class="goods">
  <div class="menu-wrapper" ref="menuWrapper">
    <ul>
      <li v-for="(item,index) in goods" class="menu-item" :class="{'current':currentIndex===index}" @click="selectMenu(index,$event)">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper" ref="foodsWrapper">
    <ul>
      <li v-for="item in goods" class="food-list food-list-hook">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item border-1px">
            <div class="icon">
              <img :src="food.icon" width="57" height="57" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span class="count">月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span class="now">￥{{food.price}}</span>
                <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</template>

<script>
    import BScroll from 'better-scroll'
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: [],
            listHeight: [],
            scrollY: 0
        };
    },
    computed: {
        currentIndex() {
            for(let i=0;i<this.listHeight.length;i++){
                let height1 = this.listHeight[i];
                let height2 = this.listHeight[i+1];
                if (!height2 || (this.scrollY >= height1 && this.scrollY < height2)){
                    return i;
                }
            }
            return 0;
        }
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;              
          }
          this.goods = response.data;
          this.$nextTick(() => {
                  this._initScroll();
                  this._calculateHeight();
          });
        });
    },
    methods: {
        selectMenu(index,event){
              if(!event._constructed){
                  return;
              }
              let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
              let el = foodList[index];
              this.foodsScroll.scrollToElement(el,300);
              console.log(index);
          },
         _initScroll() {
             this.menuScroll = new BScroll(this.$refs.menuWrapper,{
                 click: true
             });
             
             this.foodsScroll = new BScroll(this.$refs.foodsWrapper,{
                 click: true,
                 probeType: 3
             });
             
             this.foodsScroll.on("scroll",(pos) => {
                 this.scrollY = Math.abs(Math.round(pos.y));
             });
         },
         _calculateHeight() {
             let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
            let height = 0;
            this.listHeight.push(height);
            for(let i=0;i<foodList.length;i++){
                let item = foodList[i];
                height += item.clientHeight;
                this.listHeight.push(height);
            }
         }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                &.current
                    position: relative
                    z-index: 10
                    margin-top: -1px
                    background: #ccc
                    font-weight: 700
                    .text
                        border-none()
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                        
</style>

购物车组件（一）

步骤一：创建一个shopcart.vue组件，编写好基础的样式

<template>
  <div class="shopcart">
    <div class="content">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo">
            <span class="icon-shopping_cart"></span>
          </div>
        </div>
        <div class="price"></div>
        <div class="desc"></div>
      </div>
      <div class="content-right"></div>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'v-goods'
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    background: #000
</style>

步骤二：配置好goods.vue组件

<template>
<div class="goods">
  <div class="menu-wrapper" ref="menuWrapper">
    <ul>
      <li v-for="(item,index) in goods" class="menu-item" :class="{'current':currentIndex===index}" @click="selectMenu(index,$event)">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper" ref="foodsWrapper">
    <ul>
      <li v-for="item in goods" class="food-list food-list-hook">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item border-1px">
            <div class="icon">
              <img :src="food.icon" width="57" height="57" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span class="count">月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span class="now">￥{{food.price}}</span>
                <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
  <shopcart></shopcart>
</div>
</template>

<script>
    import BScroll from 'better-scroll';
    import shopcart from '../../components/shopcart/shopcart';
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: [],
            listHeight: [],
            scrollY: 0
        };
    },
    computed: {
        currentIndex() {
            for(let i=0;i<this.listHeight.length;i++){
                let height1 = this.listHeight[i];
                let height2 = this.listHeight[i+1];
                if (!height2 || (this.scrollY >= height1 && this.scrollY < height2)){
                    return i;
                }
            }
            return 0;
        }
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;              
          }
          this.goods = response.data;
          this.$nextTick(() => {
                  this._initScroll();
                  this._calculateHeight();
          });
        });
    },
    methods: {
        selectMenu(index,event){
              if(!event._constructed){
                  return;
              }
              let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
              let el = foodList[index];
              this.foodsScroll.scrollToElement(el,300);
              console.log(index);
          },
         _initScroll() {
             this.menuScroll = new BScroll(this.$refs.menuWrapper,{
                 click: true
             });
             
             this.foodsScroll = new BScroll(this.$refs.foodsWrapper,{
                 click: true,
                 probeType: 3
             });
             
             this.foodsScroll.on("scroll",(pos) => {
                 this.scrollY = Math.abs(Math.round(pos.y));
             });
         },
         _calculateHeight() {
             let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
            let height = 0;
            this.listHeight.push(height);
            for(let i=0;i<foodList.length;i++){
                let item = foodList[i];
                height += item.clientHeight;
                this.listHeight.push(height);
            }
         }
    },
    components: {
        shopcart
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                &.current
                    position: relative
                    z-index: 10
                    margin-top: -1px
                    background: #ccc
                    font-weight: 700
                    .text
                        border-none()
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                        
</style>

购物车组件（二）

继续编写shopcart.vue组件，增加样式

<template>
  <div class="shopcart">
    <div class="content">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo">
            <span class="icon-shopping_cart"></span>
          </div>
        </div>
        <div class="price"></div>
        <div class="desc"></div>
      </div>
      <div class="content-right"></div>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'v-goods'
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    .content
        display: flex
        background: #141d27
        font-size: 0
        .content-left
            flex: 1
            .logo-wrapper
                display: inline-block
                position: relative
                top:-10px
                margin: 0 12px
                padding: 6px
                 56px
                height: 56px
                vertical-align: top
                box-sizing: border-box
                border-radius: 50%
                background: #141d27
                .logo
                     100%
                    height: 100%
                    border-radius: 50%
                    text-align: center
                    background: #2b343c
                    .icon-shopping_cart
                        font-size: 24px
                        line-height: 44px
                        color: #80858a
            .price
                display: inline-block
                vertical-align: top
                margin-top: 12px
                line-height: 24px
                padding-right: 12px
                box-sizing: border-box
                border-right: 1px solid rgba(255,255,255,0.1)
                font-size: 16px
                font-weight: 700
            .desc
                display: inline-block
        .content-right
            flex: 0 0 105px
             105px
</style>

购物车组件（三）

步骤一：修改App.vue根组价，传递值

<template>
  <div>
    <v-header :seller="seller"></v-header>
    <div class="tab border-1px">
      <div class="tab-item">
          <router-link to="/goods">商品</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/ratings">评价</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/seller">商家</router-link>
      </div>
    </div>
    <router-view :seller="seller"></router-view>
  </div>
</template>

<script>
  import header from './components/header/header.vue';
  const ERR_OK = 0;
  export default {
    name: 'app',
    data() {
        return {
            seller: {}
        }
    },
    created() {
        this.$http.get('api/seller').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.seller = response.data;
          }
          this.seller = response.data;
        })
    },
    components: {
      'v-header': header
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "./common/stylus/mixin.styl";
  .tab
    display: flex
     100%
    height: 40px
    line-height: 40px
    /*border-bottom: 1px solid rgba(7, 17, 27, 0.1)*/
    border-1px(rgba(7, 17, 27, 0.1))
    .tab-item
      flex: 1
      text-align: center
      & > a
       display:block
       font-size:16px
       color:rgb(77,85,93)
       &.active
        color:rgb(240,20,20)
</style>

步骤二：修改goods.vue组件，传递值

<template>
<div class="goods">
  <div class="menu-wrapper" ref="menuWrapper">
    <ul>
      <li v-for="(item,index) in goods" class="menu-item" :class="{'current':currentIndex===index}" @click="selectMenu(index,$event)">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper" ref="foodsWrapper">
    <ul>
      <li v-for="item in goods" class="food-list food-list-hook">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item border-1px">
            <div class="icon">
              <img :src="food.icon" width="57" height="57" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span class="count">月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span class="now">￥{{food.price}}</span>
                <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
  <shopcart :delivery-price="seller.deliveryPrice" :min-price="seller.minPrice"></shopcart>
</div>
</template>

<script>
    import BScroll from 'better-scroll';
    import shopcart from '../../components/shopcart/shopcart';
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: [],
            listHeight: [],
            scrollY: 0
        };
    },
    computed: {
        currentIndex() {
            for(let i=0;i<this.listHeight.length;i++){
                let height1 = this.listHeight[i];
                let height2 = this.listHeight[i+1];
                if (!height2 || (this.scrollY >= height1 && this.scrollY < height2)){
                    return i;
                }
            }
            return 0;
        }
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;              
          }
          this.goods = response.data;
          this.$nextTick(() => {
                  this._initScroll();
                  this._calculateHeight();
          });
        });
    },
    methods: {
        selectMenu(index,event){
              if(!event._constructed){
                  return;
              }
              let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
              let el = foodList[index];
              this.foodsScroll.scrollToElement(el,300);
              console.log(index);
          },
         _initScroll() {
             this.menuScroll = new BScroll(this.$refs.menuWrapper,{
                 click: true
             });
             
             this.foodsScroll = new BScroll(this.$refs.foodsWrapper,{
                 click: true,
                 probeType: 3
             });
             
             this.foodsScroll.on("scroll",(pos) => {
                 this.scrollY = Math.abs(Math.round(pos.y));
             });
         },
         _calculateHeight() {
             let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
            let height = 0;
            this.listHeight.push(height);
            for(let i=0;i<foodList.length;i++){
                let item = foodList[i];
                height += item.clientHeight;
                this.listHeight.push(height);
            }
         }
    },
    components: {
        shopcart
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                &.current
                    position: relative
                    z-index: 10
                    margin-top: -1px
                    background: #ccc
                    font-weight: 700
                    .text
                        border-none()
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                        
</style>

步骤三：编写shopcart.vue组件，接收值并增加样式

<template>
  <div class="shopcart">
    <div class="content">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo">
            <span class="icon-shopping_cart"></span>
          </div>
        </div>
        <div class="price">0元</div>
        <div class="desc">另需配送费￥{{deliveryPrice}}元</div>
      </div>
      <div class="content-right"></div>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'v-shopcart',
    props: {
        deliveryPrice: {
            type: Number,
            default: 0
        },
        minPrice: {
            type: Number,
            default: 0
        }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    .content
        display: flex
        background: #141d27
        font-size: 0
        .content-left
            flex: 1
            .logo-wrapper
                display: inline-block
                position: relative
                top:-10px
                margin: 0 12px
                padding: 6px
                 56px
                height: 56px
                vertical-align: top
                box-sizing: border-box
                border-radius: 50%
                background: #141d27
                .logo
                     100%
                    height: 100%
                    border-radius: 50%
                    text-align: center
                    background: #2b343c
                    .icon-shopping_cart
                        font-size: 24px
                        line-height: 44px
                        color: #80858a
            .price
                display: inline-block
                vertical-align: top
                margin-top: 12px
                line-height: 24px
                padding-right: 12px
                box-sizing: border-box
                border-right: 1px solid rgba(255,255,255,0.1)
                font-size: 16px
                font-weight: 700
                color: rgba(255,255,255,0.4)
            .desc
                display: inline-block
                vertical-align: top
                line-height: 24px
                margin: 12px 0 0 12px
                font-size: 10px
                color: rgba(255,255,255,0.4)
        .content-right
            flex: 0 0 105px
             105px
</style>

 购物车组件（四）

继续编写shopcart.vue组件，为商品价格计算做前期编码

<template>
  <div class="shopcart">
    <div class="content">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo">
            <span class="icon-shopping_cart"></span>
          </div>
        </div>
        <div class="price">￥{{totalPrice}}</div>
        <div class="desc">另需配送费￥{{deliveryPrice}}元</div>
      </div>
      <div class="content-right">
          <div class="pay">
              ￥{{minPrice}}元起送
          </div>
      </div>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'v-shopcart',
    props: {
        selectFoods: {
            type: Array,
            default() {
                return [
                    {
                        price:10,
                        count:1
                    }
                ];
            }
        },
        deliveryPrice: {
            type: Number,
            default: 0
        },
        minPrice: {
            type: Number,
            default: 0
        }
    },
    computed: {
        totalPrice() {
            let total = 0;
            this.selectFoods.forEach((food) => {
                total += food.price * food.count;
            });
            return total;
        },
        totalCount() {
            let count = 0;
            this.selectFoods.forEach((food) => {
                count += food.count;
            });
            return count;
        }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    .content
        display: flex
        background: #141d27
        font-size: 0
        .content-left
            flex: 1
            .logo-wrapper
                display: inline-block
                position: relative
                top:-10px
                margin: 0 12px
                padding: 6px
                 56px
                height: 56px
                vertical-align: top
                box-sizing: border-box
                border-radius: 50%
                background: #141d27
                .logo
                     100%
                    height: 100%
                    border-radius: 50%
                    text-align: center
                    background: #2b343c
                    .icon-shopping_cart
                        font-size: 24px
                        line-height: 44px
                        color: #80858a
            .price
                display: inline-block
                vertical-align: top
                margin-top: 12px
                line-height: 24px
                padding-right: 12px
                box-sizing: border-box
                border-right: 1px solid rgba(255,255,255,0.1)
                font-size: 16px
                font-weight: 700
                color: rgba(255,255,255,0.4)
            .desc
                display: inline-block
                vertical-align: top
                line-height: 24px
                margin: 12px 0 0 12px
                font-size: 10px
                color: rgba(255,255,255,0.4)
        .content-right
            flex: 0 0 105px
             105px
            .pay
                height: 48px
                line-height: 48px
                text-align: center
                font-size: 12px
                color: rgba(255,255,255,0.4)
                font-weight: 700
                background: #2b333b
</style>

购物车组件（五）

继续编写shopcart.vue组件，实现样式动态改变

<template>
  <div class="shopcart">
    <div class="content">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo" :class="{'highlight':totalCount>0}">
            <span class="icon-shopping_cart" :class="{'highlight':totalCount>0}"></span>
          </div>
          <div class="num" v-show="totalCount>0">{{totalCount}}</div>
        </div>
        <div class="price" :class="{'highlight':totalPrice>0}">￥{{totalPrice}}</div>
        <div class="desc">另需配送费￥{{deliveryPrice}}元</div>
      </div>
      <div class="content-right">
          <div class="pay">
              ￥{{minPrice}}元起送
          </div>
      </div>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'v-shopcart',
    props: {
        selectFoods: {
            type: Array,
            default() {
                return [];
            }
        },
        deliveryPrice: {
            type: Number,
            default: 0
        },
        minPrice: {
            type: Number,
            default: 0
        }
    },
    computed: {
        totalPrice() {
            let total = 0;
            this.selectFoods.forEach((food) => {
                total += food.price * food.count;
            });
            return total;
        },
        totalCount() {
            let count = 0;
            this.selectFoods.forEach((food) => {
                count += food.count;
            });
            return count;
        }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    .content
        display: flex
        background: #141d27
        font-size: 0
        .content-left
            flex: 1
            .logo-wrapper
                display: inline-block
                position: relative
                top:-10px
                margin: 0 12px
                padding: 6px
                 56px
                height: 56px
                vertical-align: top
                box-sizing: border-box
                border-radius: 50%
                background: #141d27
                .logo
                     100%
                    height: 100%
                    border-radius: 50%
                    text-align: center
                    background: #2b343c
                    &.highlight
                        background: rgb(0,160,220)
                    .icon-shopping_cart
                        font-size: 24px
                        line-height: 44px
                        color: #80858a
                        &.highlight
                            color: #fff
                .num
                    position: absolute
                    top: 0px
                    right: 0px
                     24px
                    height: 16px
                    line-height: 16px
                    text-align: center
                    border-radius: 16px
                    font-size: 9px
                    font-weight: 700
                    color: #fff
                    background: rgb(240,20,20)
                    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.4)
            .price
                display: inline-block
                vertical-align: top
                margin-top: 12px
                line-height: 24px
                padding-right: 12px
                box-sizing: border-box
                border-right: 1px solid rgba(255,255,255,0.1)
                font-size: 16px
                font-weight: 700
                color: rgba(255,255,255,0.4)
                &.highlight
                    color: #fff
            .desc
                display: inline-block
                vertical-align: top
                line-height: 24px
                margin: 12px 0 0 12px
                font-size: 10px
                color: rgba(255,255,255,0.4)
        .content-right
            flex: 0 0 105px
             105px
            .pay
                height: 48px
                line-height: 48px
                text-align: center
                font-size: 12px
                color: rgba(255,255,255,0.4)
                font-weight: 700
                background: #2b333b
</style>

购物车组件（六）

继续编写shopcart.vue组件，基本完成全部效果

<template>
  <div class="shopcart">
    <div class="content">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo" :class="{'highlight':totalCount>0}">
            <span class="icon-shopping_cart" :class="{'highlight':totalCount>0}"></span>
          </div>
          <div class="num" v-show="totalCount>0">{{totalCount}}</div>
        </div>
        <div class="price" :class="{'highlight':totalPrice>0}">￥{{totalPrice}}</div>
        <div class="desc">另需配送费￥{{deliveryPrice}}元</div>
      </div>
      <div class="content-right">
          <div class="pay" :class="payClass">
              {{payDesc}}
          </div>
      </div>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'v-shopcart',
    props: {
        selectFoods: {
            type: Array,
            default() {
                return [
                    {
                        price: 10,
                        count: 5
                    }
                ];
            }
        },
        deliveryPrice: {
            type: Number,
            default: 0
        },
        minPrice: {
            type: Number,
            default: 0
        }
    },
    computed: {
        totalPrice() {
            let total = 0;
            this.selectFoods.forEach((food) => {
                total += food.price * food.count;
            });
            return total;
        },
        totalCount() {
            let count = 0;
            this.selectFoods.forEach((food) => {
                count += food.count;
            });
            return count;
        },
        payDesc() {
            if(this.totalPrice === 0){
                return `￥${this.minPrice}元起送`;
            }else if(this.totalPrice<this.minPrice){
                let diff = this.minPrice - this.totalPrice;
                return `还差￥${diff}元起送`;
            }else{
                return '去结算';
            }
        },
        payClass() {
            if(this.totalPrice < this.minPrice){
                return 'not-enough';
            }else{
                return 'enough';
            }
        }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    .content
        display: flex
        background: #141d27
        font-size: 0
        .content-left
            flex: 1
            .logo-wrapper
                display: inline-block
                position: relative
                top:-10px
                margin: 0 12px
                padding: 6px
                 56px
                height: 56px
                vertical-align: top
                box-sizing: border-box
                border-radius: 50%
                background: #141d27
                .logo
                     100%
                    height: 100%
                    border-radius: 50%
                    text-align: center
                    background: #2b343c
                    &.highlight
                        background: rgb(0,160,220)
                    .icon-shopping_cart
                        font-size: 24px
                        line-height: 44px
                        color: #80858a
                        &.highlight
                            color: #fff
                .num
                    position: absolute
                    top: 0px
                    right: 0px
                     24px
                    height: 16px
                    line-height: 16px
                    text-align: center
                    border-radius: 16px
                    font-size: 9px
                    font-weight: 700
                    color: #fff
                    background: rgb(240,20,20)
                    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.4)
            .price
                display: inline-block
                vertical-align: top
                margin-top: 12px
                line-height: 24px
                padding-right: 12px
                box-sizing: border-box
                border-right: 1px solid rgba(255,255,255,0.1)
                font-size: 16px
                font-weight: 700
                color: rgba(255,255,255,0.4)
                &.highlight
                    color: #fff
            .desc
                display: inline-block
                vertical-align: top
                line-height: 24px
                margin: 12px 0 0 12px
                font-size: 10px
                color: rgba(255,255,255,0.4)
        .content-right
            flex: 0 0 105px
             105px
            .pay
                height: 48px
                line-height: 48px
                text-align: center
                font-size: 12px
                color: rgba(255,255,255,0.4)
                font-weight: 700
                background: #2b333b
                &.not-enough
                    background: #2b333b
                &.enough
                    background: #00b43c
                    color: #fff
</style>

 cartcontrol组件（一）

步骤一：新建cartcontrol.vue组件，作为购物车的添加按钮

<template>
  <div class="cartcontrol">
    <div class="cart-decrease icon-remove_circle_outline" v-show="food.count>0"></div>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click="addCart"></div>
  </div>
</template>

<script>
  export default {
    name: 'v-cartcontrol',
    props: {
      food: {
        type: Object
      }
    },
    created() {
      console.log(this.food);
    },
    methods: {
      addCart() {

      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size: 0
    .cart-decrease, .cart-add
      font-size: 24px
      line-height: 24px
      padding: 6px
      color: rgb(0,160,220)
      display: inline-block
    .cart-count
      display: inline-block
    .cart-add
      display: inline-block
</style>

步骤二：在goods.vue组件中调用cartcontrol.vue组件

<template>
<div class="goods">
  <div class="menu-wrapper" ref="menuWrapper">
    <ul>
      <li v-for="(item,index) in goods" class="menu-item" :class="{'current':currentIndex===index}" @click="selectMenu(index,$event)">
        <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
        </span>
      </li>
    </ul>
  </div>
  <div class="foods-wrapper" ref="foodsWrapper">
    <ul>
      <li v-for="item in goods" class="food-list food-list-hook">
        <h1 class="title">{{item.name}}</h1>
        <ul>
          <li v-for="food in item.foods" class="food-item border-1px">
            <div class="icon">
              <img :src="food.icon" width="57" height="57" />
            </div>
            <div class="content">
              <h2 class="name">{{food.name}}</h2>
              <p class="desc">{{food.description}}</p>
              <div class="extra">
                <span class="count">月售{{food.sellCount}}份</span>
                <span>好评率{{food.rating}}%</span>
              </div>
              <div class="price">
                <span class="now">￥{{food.price}}</span>
                <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
              </div>
              <div class="cartcontrol-wrapper">
                  <cartcontrol :food="food"></cartcontrol>
              </div>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
  <shopcart :delivery-price="seller.deliveryPrice" :min-price="seller.minPrice"></shopcart>
</div>
</template>

<script>
    import BScroll from 'better-scroll';
    import shopcart from '../../components/shopcart/shopcart';
    import cartcontrol from '../../components/cartcontrol/cartcontrol';
    const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            goods: [],
            listHeight: [],
            scrollY: 0
        };
    },
    computed: {
        currentIndex() {
            for(let i=0;i<this.listHeight.length;i++){
                let height1 = this.listHeight[i];
                let height2 = this.listHeight[i+1];
                if (!height2 || (this.scrollY >= height1 && this.scrollY < height2)){
                    return i;
                }
            }
            return 0;
        }
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
        this.$http.get('api/goods').then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.goods = response.data;              
          }
          this.goods = response.data;
          this.$nextTick(() => {
                  this._initScroll();
                  this._calculateHeight();
          });
        });
    },
    methods: {
        selectMenu(index,event){
              if(!event._constructed){
                  return;
              }
              let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
              let el = foodList[index];
              this.foodsScroll.scrollToElement(el,300);
              console.log(index);
          },
         _initScroll() {
             this.menuScroll = new BScroll(this.$refs.menuWrapper,{
                 click: true
             });
             
             this.foodsScroll = new BScroll(this.$refs.foodsWrapper,{
                 click: true,
                 probeType: 3
             });
             
             this.foodsScroll.on("scroll",(pos) => {
                 this.scrollY = Math.abs(Math.round(pos.y));
             });
         },
         _calculateHeight() {
             let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
            let height = 0;
            this.listHeight.push(height);
            for(let i=0;i<foodList.length;i++){
                let item = foodList[i];
                height += item.clientHeight;
                this.listHeight.push(height);
            }
         }
    },
    components: {
        shopcart,
        cartcontrol
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                &.current
                    position: relative
                    z-index: 10
                    margin-top: -1px
                    background: #ccc
                    font-weight: 700
                    .text
                        border-none()
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                    .cartcontrol-wrapper
                        position: absolute
                        right: 0
                        bottom: 12px
</style>

 cartcontrol组件（二）

 继续编写cartcontrol.vue组件，进一步实现购物车按钮效果

<template>
  <div class="cartcontrol">
    <div class="cart-decrease icon-remove_circle_outline" v-show="food.count>0" @click="decreaseCart"></div>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click="addCart"></div>
  </div>
</template>

<script>
  import Vue from 'vue';
  export default {
    name: 'v-cartcontrol',
    props: {
      food: {
        type: Object
      }
    },
    methods: {
      addCart(event) {
        if (!event._constructed) {
          return;
        }
        if (!this.food.count) {
          Vue.set(this.food, 'count', 1);
        } else {
          this.food.count++;
        }
      },
      decreaseCart(event) {
        if (!event._constructed) {
          return;
        }
        if (this.food.count) {
          this.food.count--;
        }
      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size: 0
    .cart-decrease, .cart-add
      font-size: 24px
      line-height: 24px
      padding: 6px
      color: rgb(0,160,220)
      display: inline-block
    .cart-count
      display: inline-block
      vertical-align: top
       12px
      padding-top: 6px
      line-height: 24px
      text-align: center
      font-size: 10px
      color: rgb(147,153,159)
    .cart-add
      display: inline-block
</style>

 cartcontrol组件（三）

步骤一：编写cartcontrol.vue组件，增加食品增加和减少动画效果

<template>
  <div class="cartcontrol">
    <transition name="move">
      <div class="cart-decrease" v-show="food.count>0" @click="decreaseCart">
        <span class="inner icon-remove_circle_outline"></span>
      </div>
    </transition>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click="addCart"></div>
  </div>
</template>

<script>
  import Vue from 'vue';
  export default {
    name: 'v-cartcontrol',
    props: {
      food: {
        type: Object
      }
    },
    methods: {
      addCart(event) {
        if (!event._constructed) {
          return;
        }
        if (!this.food.count) {
          Vue.set(this.food, 'count', 1);
        } else {
          this.food.count++;
        }
      },
      decreaseCart(event) {
        if (!event._constructed) {
          return;
        }
        if (this.food.count) {
          this.food.count--;
        }
      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size: 0
    .cart-decrease
      padding: 6px
      color: rgb(0,160,220)
      display: inline-block
      opacity: 1
      transform: translate3d(0, 0, 0)
      .inner
        display: inline-block
        line-height: 24px
        font-size: 24px
        color: rgb(0, 160, 220)
        transition: all 0.4s linear
        transform: rotate(0)
      &.move-enter-active, &.move-leave-active
        transition: all 0.4s linear
      &.move-enter, &.move-leave-active
        opacity: 0
        transform: translate3d(24px, 0, 0)
        .inner
          transform: rotate(180deg)
    .cart-count
      display: inline-block
      vertical-align: top
       12px
      padding-top: 6px
      line-height: 24px
      text-align: center
      font-size: 10px
      color: rgb(147,153,159)
    .cart-add
      display: inline-block
      padding: 6px
      line-height: 24px
      font-size: 24px
      color: rgb(0, 160, 220)
</style>

步骤二：编写goods.vue组件，将按钮和购物车区实现联动效果

<template>
  <div class="goods">
    <div class="menu-wrapper" ref="menuWrapper">
      <ul>
        <li v-for="(item,index) in goods" class="menu-item" :class="{'current':currentIndex===index}" @click="selectMenu(index,$event)">
          <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
          </span>
        </li>
      </ul>
    </div>
    <div class="foods-wrapper" ref="foodsWrapper">
      <ul>
        <li v-for="item in goods" class="food-list food-list-hook">
          <h1 class="title">{{item.name}}</h1>
          <ul>
            <li v-for="food in item.foods" class="food-item border-1px">
              <div class="icon">
                <img :src="food.icon" width="57" height="57" />
              </div>
              <div class="content">
                <h2 class="name">{{food.name}}</h2>
                <p class="desc">{{food.description}}</p>
                <div class="extra">
                  <span class="count">月售{{food.sellCount}}份</span>
                  <span>好评率{{food.rating}}%</span>
                </div>
                <div class="price">
                  <span class="now">￥{{food.price}}</span>
                  <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
                </div>
                <div class="cartcontrol-wrapper">
                  <cartcontrol :food="food"></cartcontrol>
                </div>
              </div>
            </li>
          </ul>
        </li>
      </ul>
    </div>
    <shopcart :select-foods="selectFoods" :delivery-price="seller.deliveryPrice" :min-price="seller.minPrice"></shopcart>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import shopcart from '../../components/shopcart/shopcart';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
      seller: {
        type: Object
      }
    },
    data() {
      return {
        goods: [],
        listHeight: [],
        scrollY: 0
      };
    },
    computed: {
      currentIndex() {
        for (let i = 0; i < this.listHeight.length; i++) {
          let height1 = this.listHeight[i];
          let height2 = this.listHeight[i + 1];
          if (!height2 || (this.scrollY >= height1 && this.scrollY < height2)) {
            return i;
          }
        }
        return 0;
      },
      selectFoods() {
        let foods = [];
        this.goods.forEach((good) => {
          good.foods.forEach((food) => {
            if (food.count) {
              foods.push(food);
            }
          });
        });
        return foods;
      }
    },
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
      this.$http.get('api/goods').then((response) => {
        response = response.body;
        if (response.error === ERR_OK) {
          this.goods = response.data;
        }
        this.goods = response.data;
        this.$nextTick(() => {
          this._initScroll();
          this._calculateHeight();
        });
      });
    },
    methods: {
      selectMenu(index, event) {
        if (!event._constructed) {
          return;
        }
        let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
        let el = foodList[index];
        this.foodsScroll.scrollToElement(el, 300);
        console.log(index);
      },
      _initScroll() {
        this.menuScroll = new BScroll(this.$refs.menuWrapper, {
          click: true
        });

        this.foodsScroll = new BScroll(this.$refs.foodsWrapper, {
          click: true,
          probeType: 3
        });

        this.foodsScroll.on("scroll", (pos) => {
          this.scrollY = Math.abs(Math.round(pos.y));
        });
      },
      _calculateHeight() {
        let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
        let height = 0;
        this.listHeight.push(height);
        for (let i = 0; i < foodList.length; i++) {
          let item = foodList[i];
          height += item.clientHeight;
          this.listHeight.push(height);
        }
      }
    },
    components: {
      shopcart,
      cartcontrol
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                &.current
                    position: relative
                    z-index: 10
                    margin-top: -1px
                    background: #ccc
                    font-weight: 700
                    .text
                        border-none()
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                    .cartcontrol-wrapper
                        position: absolute
                        right: 0
                        bottom: 12px
</style>

购物车小球动画实现（一）

【注意】无法实现

步骤一：编写goods.vue组件

<template>
  <div class="goods">
    <div class="menu-wrapper" ref="menuWrapper">
      <ul>
        <li v-for="(item,index) in goods" class="menu-item" :class="{'current':currentIndex===index}" @click="selectMenu(index,$event)">
          <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
          </span>
        </li>
      </ul>
    </div>
    <div class="foods-wrapper" ref="foodsWrapper">
      <ul>
        <li v-for="item in goods" class="food-list food-list-hook">
          <h1 class="title">{{item.name}}</h1>
          <ul>
            <li v-for="food in item.foods" class="food-item border-1px">
              <div class="icon">
                <img :src="food.icon" width="57" height="57" />
              </div>
              <div class="content">
                <h2 class="name">{{food.name}}</h2>
                <p class="desc">{{food.description}}</p>
                <div class="extra">
                  <span class="count">月售{{food.sellCount}}份</span>
                  <span>好评率{{food.rating}}%</span>
                </div>
                <div class="price">
                  <span class="now">￥{{food.price}}</span>
                  <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
                </div>
                <div class="cartcontrol-wrapper">
                  <cartcontrol :food="food"></cartcontrol>
                </div>
              </div>
            </li>
          </ul>
        </li>
      </ul>
    </div>
    <shopcart ref:shopcart :select-foods="selectFoods" :delivery-price="seller.deliveryPrice" :min-price="seller.minPrice"></shopcart>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import shopcart from '../../components/shopcart/shopcart';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
      seller: {
        type: Object
      }
    },
    data() {
      return {
        goods: [],
        listHeight: [],
        scrollY: 0
      };
    },
    computed: {
      currentIndex() {
        for (let i = 0; i < this.listHeight.length; i++) {
          let height1 = this.listHeight[i];
          let height2 = this.listHeight[i + 1];
          if (!height2 || (this.scrollY >= height1 && this.scrollY < height2)) {
            return i;
          }
        }
        return 0;
      },
      selectFoods() {
        let foods = [];
        this.goods.forEach((good) => {
          good.foods.forEach((food) => {
            if (food.count) {
              foods.push(food);
            }
          });
        });
        return foods;
      }
    },
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
      this.$http.get('api/goods').then((response) => {
        response = response.body;
        if (response.error === ERR_OK) {
          this.goods = response.data;
        }
        this.goods = response.data;
        this.$nextTick(() => {
          this._initScroll();
          this._calculateHeight();
        });
      });
    },
    methods: {
      selectMenu(index, event) {
        if (!event._constructed) {
          return;
        }
        let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
        let el = foodList[index];
        this.foodsScroll.scrollToElement(el, 300);
        console.log(index);
      },
      _drop(target) {
          //体验优化，异步执行下落动画
          this.$nextTick(() => {
              this.$refs.shopcart.drop(target);
          });
      },
      _initScroll() {
        this.menuScroll = new BScroll(this.$refs.menuWrapper, {
          click: true
        });

        this.foodsScroll = new BScroll(this.$refs.foodsWrapper, {
          click: true,
          probeType: 3
        });

        this.foodsScroll.on("scroll", (pos) => {
          this.scrollY = Math.abs(Math.round(pos.y));
        });
      },
      _calculateHeight() {
        let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
        let height = 0;
        this.listHeight.push(height);
        for (let i = 0; i < foodList.length; i++) {
          let item = foodList[i];
          height += item.clientHeight;
          this.listHeight.push(height);
        }
      }
    },
    components: {
      shopcart,
      cartcontrol
    },
    events: {
        'cart.add'(target){
            this._drop(target);
        }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                &.current
                    position: relative
                    z-index: 10
                    margin-top: -1px
                    background: #ccc
                    font-weight: 700
                    .text
                        border-none()
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                    .cartcontrol-wrapper
                        position: absolute
                        right: 0
                        bottom: 12px
</style>

步骤二：编写carcontrol.vue组件

<template>
  <div class="cartcontrol">
    <transition name="move">
      <div class="cart-decrease" v-show="food.count>0" @click.stop.prevent="decreaseCart">
        <span class="inner icon-remove_circle_outline"></span>
      </div>
    </transition>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop.prevent="addCart"></div>
  </div>
</template>

<script>
  import Vue from 'vue';

  export default {
    props: {
      food: {
        type: Object
      }
    },
    methods: {
      addCart(event) {
        if (!event._constructed) {
          return;
        }
        if (!this.food.count) {
          Vue.set(this.food, 'count', 1);
        } else {
          this.food.count++;
        }
        this.$dispatch('cart.add',event.target);
      },
      decreaseCart(event) {
        if (!event._constructed) {
          return;
        }
        if (this.food.count) {
          this.food.count--;
        }
      }
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size: 0
    .cart-decrease
      display: inline-block
      padding: 6px
      opacity: 1
      transform: translate3d(0, 0, 0)
      .inner
        display: inline-block
        line-height: 24px
        font-size: 24px
        color: rgb(0, 160, 220)
        transition: all 0.4s linear
        transform: rotate(0)
      &.move-enter-active, &.move-leave-active
        transition: all 0.4s linear
      &.move-enter, &.move-leave-active
        opacity: 0
        transform: translate3d(24px, 0, 0)
        .inner
          transform: rotate(180deg)
    .cart-count
      display: inline-block
      vertical-align: top
       12px
      padding-top: 6px
      line-height: 24px
      text-align: center
      font-size: 10px
      color: rgb(147, 153, 159)
    .cart-add
      display: inline-block
      padding: 6px
      line-height: 24px
      font-size: 24px
      color: rgb(0, 160, 220)
</style>

步骤三：编写shoucart.vue组件

<template>
  <div class="shopcart">
    <div class="content">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo" :class="{'highlight':totalCount>0}">
            <span class="icon-shopping_cart" :class="{'highlight':totalCount>0}"></span>
          </div>
          <div class="num" v-show="totalCount>0">{{totalCount}}</div>
        </div>
        <div class="price" :class="{'highlight':totalPrice>0}">￥{{totalPrice}}</div>
        <div class="desc">另需配送费￥{{deliveryPrice}}元</div>
      </div>
      <div class="content-right">
        <div class="pay" :class="payClass">
          {{payDesc}}
        </div>
      </div>
    </div>
    <div class="ball-container">
      <div v-for="ball in balls">
        <transition name="drop">
          <div class="ball" v-show="ball.show">
            <div class="inner inner-hook"></div>
          </div>
        </transition>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: 'v-shopcart',
  props: {
    selectFoods: {
      type: Array,
      default () {
        return [{
          price: 10,
          count: 5
        }];
      }
    },
    deliveryPrice: {
      type: Number,
      default: 0
    },
    minPrice: {
      type: Number,
      default: 0
    }
  },
  data() {
    return {
      balls: [{
          show: false
        },
        {
          show: false
        },
        {
          show: false
        },
        {
          show: false
        },
        {
          show: false
        }
      ],
      dropBall: []
    };
  },
  computed: {
    totalPrice() {
      let total = 0;
      this.selectFoods.forEach((food) => {
        total += food.price * food.count;
      });
      return total;
    },
    totalCount() {
      let count = 0;
      this.selectFoods.forEach((food) => {
        count += food.count;
      });
      return count;
    },
    payDesc() {
      if (this.totalPrice === 0) {
        return `￥${this.minPrice}元起送`;
      } else if (this.totalPrice < this.minPrice) {
        let diff = this.minPrice - this.totalPrice;
        return `还差￥${diff}元起送`;
      } else {
        return '去结算';
      }
    },
    payClass() {
      if (this.totalPrice < this.minPrice) {
        return 'not-enough';
      } else {
        return 'enough';
      }
    }
  },
  methods: {
    drop(el) {
      for (let i = 0; i < this.balls.length; i++) {
        let ball = this.balls[i];
        if (!ball.show) {
          ball.show = true;
          ball.el = el;
          this.dropBall.push(ball);
          return;
        }
      }
    }
  },
  transitions: {
      drop: {
          beforeDrop(el) {
        let count = this.balls.length;
        while (count--) {
          let ball = this.balls[count];
          if (ball.show) {
            let rect = ball.el.getBoundingClientRect();
            let x = rect.left - 32;
            let y = -(window.innerHeight - rect.top - 22);
            el.style.display = '';
            el.style.webkitTransform = `translate3d(0,${y}px,0)`;
            el.style.transform = `translate3d(0,${y}px,0)`;
            let inner = el.getElementsByClassName('inner-hook')[0];
            inner.style.webkitTransform = `translate3d(${x}px,0,0)`;
            inner.style.transform = `translate3d(${x}px,0,0)`;
          }
        }
      },
      enter(el) {
          /* eslint-disable no-unused-vars */
        let rf = el.offsetHeight;
        this.$nextTick(() => {
          el.style.webkitTransform = 'translate3d(0,0,0)';
          el.style.transform = 'translate3d(0,0,0)';
          let inner = el.getElementsByClassName('inner-hook')[0];
          inner.style.webkitTransform = 'translate3d(0,0,0)';
          inner.style.transform = 'translate3d(0,0,0)';
          el.addEventListener('transitionend', done);
        });
      },
      afterEnter(el) {
          let ball = this.dropBalls.shift();
        if (ball) {
          ball.show = false;
          el.style.display = 'none';
        }
      }
      }
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    .content
        display: flex
        background: #141d27
        font-size: 0
        .content-left
            flex: 1
            .logo-wrapper
                display: inline-block
                position: relative
                top:-10px
                margin: 0 12px
                padding: 6px
                 56px
                height: 56px
                vertical-align: top
                box-sizing: border-box
                border-radius: 50%
                background: #141d27
                .logo
                     100%
                    height: 100%
                    border-radius: 50%
                    text-align: center
                    background: #2b343c
                    &.highlight
                        background: rgb(0,160,220)
                    .icon-shopping_cart
                        font-size: 24px
                        line-height: 44px
                        color: #80858a
                        &.highlight
                            color: #fff
                .num
                    position: absolute
                    top: 0px
                    right: 0px
                     24px
                    height: 16px
                    line-height: 16px
                    text-align: center
                    border-radius: 16px
                    font-size: 9px
                    font-weight: 700
                    color: #fff
                    background: rgb(240,20,20)
                    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.4)
            .price
                display: inline-block
                vertical-align: top
                margin-top: 12px
                line-height: 24px
                padding-right: 12px
                box-sizing: border-box
                border-right: 1px solid rgba(255,255,255,0.1)
                font-size: 16px
                font-weight: 700
                color: rgba(255,255,255,0.4)
                &.highlight
                    color: #fff
            .desc
                display: inline-block
                vertical-align: top
                line-height: 24px
                margin: 12px 0 0 12px
                font-size: 10px
                color: rgba(255,255,255,0.4)
        .content-right
            flex: 0 0 105px
             105px
            .pay
                height: 48px
                line-height: 48px
                text-align: center
                font-size: 12px
                color: rgba(255,255,255,0.4)
                font-weight: 700
                background: #2b333b
                &.not-enough
                    background: #2b333b
                &.enough
                    background: #00b43c
                    color: #fff
    .ball-container
      .ball
        position: fixed
        left: 32px
        bottom: 22px
        z-index: 200
        transition: all 0.4s cubic-bezier(0.49, -0.29, 0.75, 0.41)
        .inner
           16px
          height: 16px
          border-radius: 50%
          background: rgb(0, 160, 220)
          transition: all 0.4s linear
</style>

购物车详情页（一、二）

编写shopcart.vue组件，实现初步效果

<template>
  <div class="shopcart">
    <div class="content" @click="toggleList">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo" :class="{'highlight':totalCount>0}">
            <span class="icon-shopping_cart" :class="{'highlight':totalCount>0}"></span>
          </div>
          <div class="num" v-show="totalCount>0">{{totalCount}}</div>
        </div>
        <div class="price" :class="{'highlight':totalPrice>0}">￥{{totalPrice}}</div>
        <div class="desc">另需配送费￥{{deliveryPrice}}元</div>
      </div>
      <div class="content-right">
        <div class="pay" :class="payClass">
          {{payDesc}}
        </div>
      </div>
    </div>
    <div class="ball-container">
      <div v-for="ball in balls">
        <transition name="drop">
          <div class="ball" v-show="ball.show">
            <div class="inner inner-hook"></div>
          </div>
        </transition>
      </div>
    </div>
    <transition name="fold">
      <div class="shopcart-list" v-show="listShow">
        <div class="list-header">
          <h1 class="title">购物车</h1>
          <span class="empty">清空</span>
        </div>
        <div class="list-content">
          <ul>
            <li class="food" v-for="food in selectFoods">
              <span class="name">{{food.name}}</span>
              <div class="price">
                <span>￥{{food.price*food.count}}</span>
              </div>
              <div class="cartcontrol-wrapper">
                <cartcontrol :food="food"></cartcontrol>
              </div>
            </li>
          </ul>
        </div>
      </div>
    </transition>
  </div>
</template>

<script>
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  export default {
    name: 'v-shopcart',
    props: {
      selectFoods: {
        type: Array,
        default () {
          return [{
            price: 10,
            count: 5
          }];
        }
      },
      deliveryPrice: {
        type: Number,
        default: 0
      },
      minPrice: {
        type: Number,
        default: 0
      }
    },
    data() {
      return {
        balls: [{
            show: false
          },
          {
            show: false
          },
          {
            show: false
          },
          {
            show: false
          },
          {
            show: false
          }
        ],
        dropBall: [],
        fold: true
      };
    },
    computed: {
      totalPrice() {
        let total = 0;
        this.selectFoods.forEach((food) => {
          total += food.price * food.count;
        });
        return total;
      },
      totalCount() {
        let count = 0;
        this.selectFoods.forEach((food) => {
          count += food.count;
        });
        return count;
      },
      payDesc() {
        if (this.totalPrice === 0) {
          return `￥${this.minPrice}元起送`;
        } else if (this.totalPrice < this.minPrice) {
          let diff = this.minPrice - this.totalPrice;
          return `还差￥${diff}元起送`;
        } else {
          return '去结算';
        }
      },
      payClass() {
        if (this.totalPrice < this.minPrice) {
          return 'not-enough';
        } else {
          return 'enough';
        }
      },
      listShow() {
        if (!this.totalCount) {
          this.fold = true;
          return false;
        }
        let show = !this.fold;
        return show;
      }
    },
    methods: {
      drop(el) {
        for (let i = 0; i < this.balls.length; i++) {
          let ball = this.balls[i];
          if (!ball.show) {
            ball.show = true;
            ball.el = el;
            this.dropBall.push(ball);
            return;
          }
        }
      },
      toggleList() {
        if (!this.totalCount) {
          return;
        }
        this.fold = !this.fold;
      }
    },
    transitions: {
      drop: {
        beforeDrop(el) {
          let count = this.balls.length;
          while (count--) {
            let ball = this.balls[count];
            if (ball.show) {
              let rect = ball.el.getBoundingClientRect();
              let x = rect.left - 32;
              let y = -(window.innerHeight - rect.top - 22);
              el.style.display = '';
              el.style.webkitTransform = `translate3d(0,${y}px,0)`;
              el.style.transform = `translate3d(0,${y}px,0)`;
              let inner = el.getElementsByClassName('inner-hook')[0];
              inner.style.webkitTransform = `translate3d(${x}px,0,0)`;
              inner.style.transform = `translate3d(${x}px,0,0)`;
            }
          }
        },
        enter(el) {
          /* eslint-disable no-unused-vars */
          let rf = el.offsetHeight;
          this.$nextTick(() => {
            el.style.webkitTransform = 'translate3d(0,0,0)';
            el.style.transform = 'translate3d(0,0,0)';
            let inner = el.getElementsByClassName('inner-hook')[0];
            inner.style.webkitTransform = 'translate3d(0,0,0)';
            inner.style.transform = 'translate3d(0,0,0)';
            el.addEventListener('transitionend', done);
          });
        },
        afterEnter(el) {
          let ball = this.dropBalls.shift();
          if (ball) {
            ball.show = false;
            el.style.display = 'none';
          }
        }
      }
    },
    components: {
      cartcontrol
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin";
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    .content
        display: flex
        background: #141d27
        font-size: 0
        .content-left
            flex: 1
            .logo-wrapper
                display: inline-block
                position: relative
                top:-10px
                margin: 0 12px
                padding: 6px
                 56px
                height: 56px
                vertical-align: top
                box-sizing: border-box
                border-radius: 50%
                background: #141d27
                .logo
                     100%
                    height: 100%
                    border-radius: 50%
                    text-align: center
                    background: #2b343c
                    &.highlight
                        background: rgb(0,160,220)
                    .icon-shopping_cart
                        font-size: 24px
                        line-height: 44px
                        color: #80858a
                        &.highlight
                            color: #fff
                .num
                    position: absolute
                    top: 0px
                    right: 0px
                     24px
                    height: 16px
                    line-height: 16px
                    text-align: center
                    border-radius: 16px
                    font-size: 9px
                    font-weight: 700
                    color: #fff
                    background: rgb(240,20,20)
                    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.4)
            .price
                display: inline-block
                vertical-align: top
                margin-top: 12px
                line-height: 24px
                padding-right: 12px
                box-sizing: border-box
                border-right: 1px solid rgba(255,255,255,0.1)
                font-size: 16px
                font-weight: 700
                color: rgba(255,255,255,0.4)
                &.highlight
                    color: #fff
            .desc
                display: inline-block
                vertical-align: top
                line-height: 24px
                margin: 12px 0 0 12px
                font-size: 10px
                color: rgba(255,255,255,0.4)
        .content-right
            flex: 0 0 105px
             105px
            .pay
                height: 48px
                line-height: 48px
                text-align: center
                font-size: 12px
                color: rgba(255,255,255,0.4)
                font-weight: 700
                background: #2b333b
                &.not-enough
                    background: #2b333b
                &.enough
                    background: #00b43c
                    color: #fff
    .ball-container
      .ball
        position: fixed
        left: 32px
        bottom: 22px
        z-index: 200
        transition: all 0.4s cubic-bezier(0.49, -0.29, 0.75, 0.41)
        .inner
           16px
          height: 16px
          border-radius: 50%
          background: rgb(0, 160, 220)
          transition: all 0.4s linear
    .shopcart-list
      position: absolute
      left: 0
      top: 0
      z-index: -1
       100%
      transform: translate3d(0, -100%, 0)
      &.fold-enter-active, &.fold-leave-active
        transition: all 0.5s
      &.fold-enter, &.fold-leave-active
        transform: translate3d(0, 0, 0)
      .list-header
        height: 40px
        line-height: 40px
        padding: 0 18px
        background: #f3f5f7
        border-bottom: 1px solid rgba(7, 17, 27, 0.1)
        .title
          float: left
          font-size: 14px
          color: rgb(7, 17, 27)
        .empty
          float: right
          font-size: 12px
          color: rgb(0, 160, 220)
      .list-content
        padding: 0 18px
        max-height: 217px
        overflow: hidden
        background: #fff
        .food
          position: relative
          padding: 12px 0
          box-sizing: border-box
          border-1px(rgba(7, 17, 27, 0.1))
        .name
          line-height: 24px
          font-size: 14px
          color: rgb(7, 17, 27)
        .price
          position: absolute
          right: 90px
          bottom: 12px
          line-height: 24px
          font-size: 14px
          font-weight: 700
          color: rgb(240, 20, 20)
        .cartcontrol-wrapper
          position: absolute
          right: 0
          bottom: 6px
</style>

购物车详情页（三）

继续编写shopcart.vue组件，实现增加和减少功能

<template>
  <div class="shopcart">
    <div class="content" @click="toggleList">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo" :class="{'highlight':totalCount>0}">
            <span class="icon-shopping_cart" :class="{'highlight':totalCount>0}"></span>
          </div>
          <div class="num" v-show="totalCount>0">{{totalCount}}</div>
        </div>
        <div class="price" :class="{'highlight':totalPrice>0}">￥{{totalPrice}}</div>
        <div class="desc">另需配送费￥{{deliveryPrice}}元</div>
      </div>
      <div class="content-right">
        <div class="pay" :class="payClass">
          {{payDesc}}
        </div>
      </div>
    </div>
    <div class="ball-container">
      <div v-for="ball in balls">
        <transition name="drop">
          <div class="ball" v-show="ball.show">
            <div class="inner inner-hook"></div>
          </div>
        </transition>
      </div>
    </div>
    <transition name="fold">
      <div class="shopcart-list" v-show="listShow">
        <div class="list-header">
          <h1 class="title">购物车</h1>
          <span class="empty">清空</span>
        </div>
        <div class="list-content" ref="listContent">
          <ul>
            <li class="food" v-for="food in selectFoods">
              <span class="name">{{food.name}}</span>
              <div class="price">
                <span>￥{{food.price*food.count}}</span>
              </div>
              <div class="cartcontrol-wrapper">
                <cartcontrol :food="food"></cartcontrol>
              </div>
            </li>
          </ul>
        </div>
      </div>
    </transition>
  </div>
</template>

<script>
    import BScroll from 'better-scroll';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  export default {
    name: 'v-shopcart',
    props: {
      selectFoods: {
        type: Array,
        default () {
          return [{
            price: 10,
            count: 5
          }];
        }
      },
      deliveryPrice: {
        type: Number,
        default: 0
      },
      minPrice: {
        type: Number,
        default: 0
      }
    },
    data() {
      return {
        balls: [{
            show: false
          },
          {
            show: false
          },
          {
            show: false
          },
          {
            show: false
          },
          {
            show: false
          }
        ],
        dropBall: [],
        fold: true
      };
    },
    computed: {
      totalPrice() {
        let total = 0;
        this.selectFoods.forEach((food) => {
          total += food.price * food.count;
        });
        return total;
      },
      totalCount() {
        let count = 0;
        this.selectFoods.forEach((food) => {
          count += food.count;
        });
        return count;
      },
      payDesc() {
        if (this.totalPrice === 0) {
          return `￥${this.minPrice}元起送`;
        } else if (this.totalPrice < this.minPrice) {
          let diff = this.minPrice - this.totalPrice;
          return `还差￥${diff}元起送`;
        } else {
          return '去结算';
        }
      },
      payClass() {
        if (this.totalPrice < this.minPrice) {
          return 'not-enough';
        } else {
          return 'enough';
        }
      },
      listShow() {
        if (!this.totalCount) {
          this.fold = true;
          return false;
        }
        let show = !this.fold;
        if (show) {
          this.$nextTick(() => {
            if (!this.scroll) {
              this.scroll = new BScroll(this.$refs.listContent, {
                click: true
              });
            } else {
              this.scroll.refresh();
            }
          });
        }
        return show;
      }
    },
    methods: {
      drop(el) {
        for (let i = 0; i < this.balls.length; i++) {
          let ball = this.balls[i];
          if (!ball.show) {
            ball.show = true;
            ball.el = el;
            this.dropBall.push(ball);
            return;
          }
        }
      },
      toggleList() {
        if (!this.totalCount) {
          return;
        }
        this.fold = !this.fold;
      }
    },
    transitions: {
      drop: {
        beforeDrop(el) {
          let count = this.balls.length;
          while (count--) {
            let ball = this.balls[count];
            if (ball.show) {
              let rect = ball.el.getBoundingClientRect();
              let x = rect.left - 32;
              let y = -(window.innerHeight - rect.top - 22);
              el.style.display = '';
              el.style.webkitTransform = `translate3d(0,${y}px,0)`;
              el.style.transform = `translate3d(0,${y}px,0)`;
              let inner = el.getElementsByClassName('inner-hook')[0];
              inner.style.webkitTransform = `translate3d(${x}px,0,0)`;
              inner.style.transform = `translate3d(${x}px,0,0)`;
            }
          }
        },
        enter(el) {
          /* eslint-disable no-unused-vars */
          let rf = el.offsetHeight;
          this.$nextTick(() => {
            el.style.webkitTransform = 'translate3d(0,0,0)';
            el.style.transform = 'translate3d(0,0,0)';
            let inner = el.getElementsByClassName('inner-hook')[0];
            inner.style.webkitTransform = 'translate3d(0,0,0)';
            inner.style.transform = 'translate3d(0,0,0)';
            el.addEventListener('transitionend', done);
          });
        },
        afterEnter(el) {
          let ball = this.dropBalls.shift();
          if (ball) {
            ball.show = false;
            el.style.display = 'none';
          }
        }
      }
    },
    components: {
      cartcontrol
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin";
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    .content
        display: flex
        background: #141d27
        font-size: 0
        .content-left
            flex: 1
            .logo-wrapper
                display: inline-block
                position: relative
                top:-10px
                margin: 0 12px
                padding: 6px
                 56px
                height: 56px
                vertical-align: top
                box-sizing: border-box
                border-radius: 50%
                background: #141d27
                .logo
                     100%
                    height: 100%
                    border-radius: 50%
                    text-align: center
                    background: #2b343c
                    &.highlight
                        background: rgb(0,160,220)
                    .icon-shopping_cart
                        font-size: 24px
                        line-height: 44px
                        color: #80858a
                        &.highlight
                            color: #fff
                .num
                    position: absolute
                    top: 0px
                    right: 0px
                     24px
                    height: 16px
                    line-height: 16px
                    text-align: center
                    border-radius: 16px
                    font-size: 9px
                    font-weight: 700
                    color: #fff
                    background: rgb(240,20,20)
                    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.4)
            .price
                display: inline-block
                vertical-align: top
                margin-top: 12px
                line-height: 24px
                padding-right: 12px
                box-sizing: border-box
                border-right: 1px solid rgba(255,255,255,0.1)
                font-size: 16px
                font-weight: 700
                color: rgba(255,255,255,0.4)
                &.highlight
                    color: #fff
            .desc
                display: inline-block
                vertical-align: top
                line-height: 24px
                margin: 12px 0 0 12px
                font-size: 10px
                color: rgba(255,255,255,0.4)
        .content-right
            flex: 0 0 105px
             105px
            .pay
                height: 48px
                line-height: 48px
                text-align: center
                font-size: 12px
                color: rgba(255,255,255,0.4)
                font-weight: 700
                background: #2b333b
                &.not-enough
                    background: #2b333b
                &.enough
                    background: #00b43c
                    color: #fff
    .ball-container
      .ball
        position: fixed
        left: 32px
        bottom: 22px
        z-index: 200
        transition: all 0.4s cubic-bezier(0.49, -0.29, 0.75, 0.41)
        .inner
           16px
          height: 16px
          border-radius: 50%
          background: rgb(0, 160, 220)
          transition: all 0.4s linear
    .shopcart-list
      position: absolute
      left: 0
      top: 0
      z-index: -1
       100%
      transform: translate3d(0, -100%, 0)
      &.fold-enter-active, &.fold-leave-active
        transition: all 0.5s
      &.fold-enter, &.fold-leave-active
        transform: translate3d(0, 0, 0)
      .list-header
        height: 40px
        line-height: 40px
        padding: 0 18px
        background: #f3f5f7
        border-bottom: 1px solid rgba(7, 17, 27, 0.1)
        .title
          float: left
          font-size: 14px
          color: rgb(7, 17, 27)
        .empty
          float: right
          font-size: 12px
          color: rgb(0, 160, 220)
      .list-content
        padding: 0 18px
        max-height: 217px
        overflow: hidden
        background: #fff
        .food
          position: relative
          padding: 12px 0
          box-sizing: border-box
          border-1px(rgba(7, 17, 27, 0.1))
        .name
          line-height: 24px
          font-size: 14px
          color: rgb(7, 17, 27)
        .price
          position: absolute
          right: 90px
          bottom: 12px
          line-height: 24px
          font-size: 14px
          font-weight: 700
          color: rgb(240, 20, 20)
        .cartcontrol-wrapper
          position: absolute
          right: 0
          bottom: 6px
</style>

购物车详情页（四）

继续编写shopcart.vue组件，实现蒙层效果

<template>
  <div class="shopcart">
    <div class="content" @click="toggleList">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo" :class="{'highlight':totalCount>0}">
            <span class="icon-shopping_cart" :class="{'highlight':totalCount>0}"></span>
          </div>
          <div class="num" v-show="totalCount>0">{{totalCount}}</div>
        </div>
        <div class="price" :class="{'highlight':totalPrice>0}">￥{{totalPrice}}</div>
        <div class="desc">另需配送费￥{{deliveryPrice}}元</div>
      </div>
      <!--@click.stop.prevent阻止冒泡行为-->
      <div class="content-right" @click.stop.prevent="pay">
        <div class="pay" :class="payClass">
          {{payDesc}}
        </div>
      </div>
    </div>
    <div class="ball-container">
      <div v-for="ball in balls">
        <transition name="drop">
          <div class="ball" v-show="ball.show">
            <div class="inner inner-hook"></div>
          </div>
        </transition>
      </div>
    </div>
    <transition name="fold">
      <div class="shopcart-list" v-show="listShow">
        <div class="list-header">
          <h1 class="title">购物车</h1>
          <span class="empty" @click="empty">清空</span>
        </div>
        <div class="list-content" ref="listContent">
          <ul>
            <li class="food" v-for="food in selectFoods">
              <span class="name">{{food.name}}</span>
              <div class="price">
                <span>￥{{food.price*food.count}}</span>
              </div>
              <div class="cartcontrol-wrapper">
                <cartcontrol :food="food"></cartcontrol>
              </div>
            </li>
          </ul>
        </div>
      </div>
    </transition>
    <transition name="fade">
      <div class="list-mask" @click="hideList" v-show="listShow"></div>
    </transition>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  export default {
    name: 'v-shopcart',
    props: {
      selectFoods: {
        type: Array,
        default () {
          return [{
            price: 10,
            count: 5
          }];
        }
      },
      deliveryPrice: {
        type: Number,
        default: 0
      },
      minPrice: {
        type: Number,
        default: 0
      }
    },
    data() {
      return {
        balls: [{
            show: false
          },
          {
            show: false
          },
          {
            show: false
          },
          {
            show: false
          },
          {
            show: false
          }
        ],
        dropBall: [],
        fold: true
      };
    },
    computed: {
      totalPrice() {
        let total = 0;
        this.selectFoods.forEach((food) => {
          total += food.price * food.count;
        });
        return total;
      },
      totalCount() {
        let count = 0;
        this.selectFoods.forEach((food) => {
          count += food.count;
        });
        return count;
      },
      payDesc() {
        if (this.totalPrice === 0) {
          return `￥${this.minPrice}元起送`;
        } else if (this.totalPrice < this.minPrice) {
          let diff = this.minPrice - this.totalPrice;
          return `还差￥${diff}元起送`;
        } else {
          return '去结算';
        }
      },
      payClass() {
        if (this.totalPrice < this.minPrice) {
          return 'not-enough';
        } else {
          return 'enough';
        }
      },
      listShow() {
        if (!this.totalCount) {
          this.fold = true;
          return false;
        }
        let show = !this.fold;
        if (show) {
          this.$nextTick(() => {
            if (!this.scroll) {
              this.scroll = new BScroll(this.$refs.listContent, {
                click: true
              });
            } else {
              this.scroll.refresh();
            }
          });
        }
        return show;
      }
    },
    methods: {
      drop(el) {
        for (let i = 0; i < this.balls.length; i++) {
          let ball = this.balls[i];
          if (!ball.show) {
            ball.show = true;
            ball.el = el;
            this.dropBall.push(ball);
            return;
          }
        }
      },
      toggleList() {
        if (!this.totalCount) {
          return;
        }
        this.fold = !this.fold;
      },
      hideList() {
        this.fold = true;
      },
      empty() {
        this.selectFoods.forEach((food) => {
          food.count = 0;
        });
      },
      pay() {
        if (this.totalPrice < this.minPrice) {
          return;
        }
        window.alert(`支付${this.totalPrice}元`);
      }
    },
    transitions: {
      drop: {
        beforeDrop(el) {
          let count = this.balls.length;
          while (count--) {
            let ball = this.balls[count];
            if (ball.show) {
              let rect = ball.el.getBoundingClientRect();
              let x = rect.left - 32;
              let y = -(window.innerHeight - rect.top - 22);
              el.style.display = '';
              el.style.webkitTransform = `translate3d(0,${y}px,0)`;
              el.style.transform = `translate3d(0,${y}px,0)`;
              let inner = el.getElementsByClassName('inner-hook')[0];
              inner.style.webkitTransform = `translate3d(${x}px,0,0)`;
              inner.style.transform = `translate3d(${x}px,0,0)`;
            }
          }
        },
        enter(el) {
          /* eslint-disable no-unused-vars */
          let rf = el.offsetHeight;
          this.$nextTick(() => {
            el.style.webkitTransform = 'translate3d(0,0,0)';
            el.style.transform = 'translate3d(0,0,0)';
            let inner = el.getElementsByClassName('inner-hook')[0];
            inner.style.webkitTransform = 'translate3d(0,0,0)';
            inner.style.transform = 'translate3d(0,0,0)';
            el.addEventListener('transitionend', done);
          });
        },
        afterEnter(el) {
          let ball = this.dropBalls.shift();
          if (ball) {
            ball.show = false;
            el.style.display = 'none';
          }
        }
      }
    },
    components: {
      cartcontrol
    }
  }
</script>
<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin";
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
     100%
    height: 48px
    .content
        display: flex
        background: #141d27
        font-size: 0
        .content-left
            flex: 1
            .logo-wrapper
                display: inline-block
                position: relative
                top:-10px
                margin: 0 12px
                padding: 6px
                 56px
                height: 56px
                vertical-align: top
                box-sizing: border-box
                border-radius: 50%
                background: #141d27
                .logo
                     100%
                    height: 100%
                    border-radius: 50%
                    text-align: center
                    background: #2b343c
                    &.highlight
                        background: rgb(0,160,220)
                    .icon-shopping_cart
                        font-size: 24px
                        line-height: 44px
                        color: #80858a
                        &.highlight
                            color: #fff
                .num
                    position: absolute
                    top: 0px
                    right: 0px
                     24px
                    height: 16px
                    line-height: 16px
                    text-align: center
                    border-radius: 16px
                    font-size: 9px
                    font-weight: 700
                    color: #fff
                    background: rgb(240,20,20)
                    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.4)
            .price
                display: inline-block
                vertical-align: top
                margin-top: 12px
                line-height: 24px
                padding-right: 12px
                box-sizing: border-box
                border-right: 1px solid rgba(255,255,255,0.1)
                font-size: 16px
                font-weight: 700
                color: rgba(255,255,255,0.4)
                &.highlight
                    color: #fff
            .desc
                display: inline-block
                vertical-align: top
                line-height: 24px
                margin: 12px 0 0 12px
                font-size: 10px
                color: rgba(255,255,255,0.4)
        .content-right
            flex: 0 0 105px
             105px
            .pay
                height: 48px
                line-height: 48px
                text-align: center
                font-size: 12px
                color: rgba(255,255,255,0.4)
                font-weight: 700
                background: #2b333b
                &.not-enough
                    background: #2b333b
                &.enough
                    background: #00b43c
                    color: #fff
    .ball-container
      .ball
        position: fixed
        left: 32px
        bottom: 22px
        z-index: 200
        transition: all 0.4s cubic-bezier(0.49, -0.29, 0.75, 0.41)
        .inner
           16px
          height: 16px
          border-radius: 50%
          background: rgb(0, 160, 220)
          transition: all 0.4s linear
    .shopcart-list
      position: absolute
      left: 0
      top: 0
      z-index: 50
       100%
      transform: translate3d(0, -100%, 0)
      &.fold-enter-active, &.fold-leave-active
        transition: all 0.5s
      &.fold-enter, &.fold-leave-active
        transform: translate3d(0, 0, 0)
      .list-header
        height: 40px
        line-height: 40px
        padding: 0 18px
        background: #f3f5f7
        border-bottom: 1px solid rgba(7, 17, 27, 0.1)
        .title
          float: left
          font-size: 14px
          color: rgb(7, 17, 27)
        .empty
          float: right
          font-size: 12px
          color: rgb(0, 160, 220)
      .list-content
        padding: 0 18px
        max-height: 217px
        overflow: hidden
        background: #fff
        .food
          position: relative
          padding: 12px 0
          box-sizing: border-box
          border-1px(rgba(7, 17, 27, 0.1))
        .name
          line-height: 24px
          font-size: 14px
          color: rgb(7, 17, 27)
        .price
          position: absolute
          right: 90px
          bottom: 12px
          line-height: 24px
          font-size: 14px
          font-weight: 700
          color: rgb(240, 20, 20)
        .cartcontrol-wrapper
          position: absolute
          right: 0
          bottom: 6px
    .list-mask
      position: fixed
      top: 0
      left: 0
       100%
      height: 100%
      z-index: 40
      backdrop-filter: blur(10px)
      opacity: 1
      background: rgba(7, 17, 27, 0.6)
      &.fade-enter-active, &.fade-leave-active
        transition: all 0.5s
      &.fade-enter, &.fade-leave-active
        opacity: 0
        background: rgba(7, 17, 27, 0)
</style>

商品详情页实现（一）

步骤一：编写goods.vue组件

<template>
  <div>
    <div class="goods">
      <div class="menu-wrapper" ref="menuWrapper">
        <ul>
          <li v-for="(item,index) in goods" class="menu-item" :class="{'current':currentIndex===index}" @click="selectMenu(index,$event)">
            <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
            </span>
          </li>
        </ul>
      </div>
      <div class="foods-wrapper" ref="foodsWrapper">
        <ul>
          <li v-for="item in goods" class="food-list food-list-hook">
            <h1 class="title">{{item.name}}</h1>
            <ul>
              <li @click="selectFood(food,$event)" v-for="food in item.foods" class="food-item border-1px">
                <div class="icon">
                  <img :src="food.icon" width="57" height="57" />
                </div>
                <div class="content">
                  <h2 class="name">{{food.name}}</h2>
                  <p class="desc">{{food.description}}</p>
                  <div class="extra">
                    <span class="count">月售{{food.sellCount}}份</span>
                    <span>好评率{{food.rating}}%</span>
                  </div>
                  <div class="price">
                    <span class="now">￥{{food.price}}</span>
                    <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
                  </div>
                  <div class="cartcontrol-wrapper">
                    <cartcontrol :food="food"></cartcontrol>
                  </div>
                </div>
              </li>
            </ul>
          </li>
        </ul>
      </div>
      <shopcart ref:shopcart :select-foods="selectFoods" :delivery-price="seller.deliveryPrice" :min-price="seller.minPrice"></shopcart>
    </div>
    <food :food="selectedFood"></food>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import shopcart from '../../components/shopcart/shopcart';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  import food from '../../components/food/food';
  const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
      seller: {
        type: Object
      }
    },
    data() {
      return {
        goods: [],
        listHeight: [],
        scrollY: 0,
        selectedFood: {}
      };
    },
    computed: {
      currentIndex() {
        for (let i = 0; i < this.listHeight.length; i++) {
          let height1 = this.listHeight[i];
          let height2 = this.listHeight[i + 1];
          if (!height2 || (this.scrollY >= height1 && this.scrollY < height2)) {
            return i;
          }
        }
        return 0;
      },
      selectFoods() {
        let foods = [];
        this.goods.forEach((good) => {
          good.foods.forEach((food) => {
            if (food.count) {
              foods.push(food);
            }
          });
        });
        return foods;
      }
    },
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
      this.$http.get('api/goods').then((response) => {
        response = response.body;
        if (response.error === ERR_OK) {
          this.goods = response.data;
        }
        this.goods = response.data;
        this.$nextTick(() => {
          this._initScroll();
          this._calculateHeight();
        });
      });
    },
    methods: {
      selectMenu(index, event) {
        if (!event._constructed) {
          return;
        }
        let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
        let el = foodList[index];
        this.foodsScroll.scrollToElement(el, 300);
        console.log(index);
      },
      selectFood(food, event) {
        if (!event._constructed) {
          return;
        }
        this.selectedFood = food;
      },
      _drop(target) {
        //体验优化，异步执行下落动画
        this.$nextTick(() => {
          this.$refs.shopcart.drop(target);
        });
      },
      _initScroll() {
        this.menuScroll = new BScroll(this.$refs.menuWrapper, {
          click: true
        });

        this.foodsScroll = new BScroll(this.$refs.foodsWrapper, {
          click: true,
          probeType: 3
        });

        this.foodsScroll.on("scroll", (pos) => {
          this.scrollY = Math.abs(Math.round(pos.y));
        });
      },
      _calculateHeight() {
        let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
        let height = 0;
        this.listHeight.push(height);
        for (let i = 0; i < foodList.length; i++) {
          let item = foodList[i];
          height += item.clientHeight;
          this.listHeight.push(height);
        }
      }
    },
    components: {
      shopcart,
      cartcontrol,
      food
    },
    events: {
      'cart.add' (target) {
        this._drop(target);
      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                &.current
                    position: relative
                    z-index: 10
                    margin-top: -1px
                    background: #ccc
                    font-weight: 700
                    .text
                        border-none()
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                    .cartcontrol-wrapper
                        position: absolute
                        right: 0
                        bottom: 12px
</style>

步骤二：新建food.vuez组件

<template>
  <div v-show="showFlag" class="food"></div>
</template>

<script>
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false
      };
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    
</style>

商品详情实现（二）

步骤一：编写goods.vue组件

<template>
  <div>
    <div class="goods">
      <div class="menu-wrapper" ref="menuWrapper">
        <ul>
          <li v-for="(item,index) in goods" class="menu-item" :class="{'current':currentIndex===index}" @click="selectMenu(index,$event)">
            <span class="text border-1px">
                        <span v-show="item.type>0" class="icon" :class="classMap[item.type]"></span> {{item.name}}
            </span>
          </li>
        </ul>
      </div>
      <div class="foods-wrapper" ref="foodsWrapper">
        <ul>
          <li v-for="item in goods" class="food-list food-list-hook">
            <h1 class="title">{{item.name}}</h1>
            <ul>
              <li @click="selectFood(food,$event)" v-for="food in item.foods" class="food-item border-1px">
                <div class="icon">
                  <img :src="food.icon" width="57" height="57" />
                </div>
                <div class="content">
                  <h2 class="name">{{food.name}}</h2>
                  <p class="desc">{{food.description}}</p>
                  <div class="extra">
                    <span class="count">月售{{food.sellCount}}份</span>
                    <span>好评率{{food.rating}}%</span>
                  </div>
                  <div class="price">
                    <span class="now">￥{{food.price}}</span>
                    <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
                  </div>
                  <div class="cartcontrol-wrapper">
                    <cartcontrol :food="food"></cartcontrol>
                  </div>
                </div>
              </li>
            </ul>
          </li>
        </ul>
      </div>
      <shopcart ref:shopcart :select-foods="selectFoods" :delivery-price="seller.deliveryPrice" :min-price="seller.minPrice"></shopcart>
    </div>
    <food :food="selectedFood" ref="food"></food>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import shopcart from '../../components/shopcart/shopcart';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  import food from '../../components/food/food';
  const ERR_OK = 0;
  export default {
    name: 'v-goods',
    props: {
      seller: {
        type: Object
      }
    },
    data() {
      return {
        goods: [],
        listHeight: [],
        scrollY: 0,
        selectedFood: {}
      };
    },
    computed: {
      currentIndex() {
        for (let i = 0; i < this.listHeight.length; i++) {
          let height1 = this.listHeight[i];
          let height2 = this.listHeight[i + 1];
          if (!height2 || (this.scrollY >= height1 && this.scrollY < height2)) {
            return i;
          }
        }
        return 0;
      },
      selectFoods() {
        let foods = [];
        this.goods.forEach((good) => {
          good.foods.forEach((food) => {
            if (food.count) {
              foods.push(food);
            }
          });
        });
        return foods;
      }
    },
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
      this.$http.get('api/goods').then((response) => {
        response = response.body;
        if (response.error === ERR_OK) {
          this.goods = response.data;
        }
        this.goods = response.data;
        this.$nextTick(() => {
          this._initScroll();
          this._calculateHeight();
        });
      });
    },
    methods: {
      selectMenu(index, event) {
        if (!event._constructed) {
          return;
        }
        let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
        let el = foodList[index];
        this.foodsScroll.scrollToElement(el, 300);
        console.log(index);
      },
      selectFood(food, event) {
        if (!event._constructed) {
          return;
        }
        this.selectedFood = food;
        this.$refs.food.show();
      },
      _drop(target) {
        //体验优化，异步执行下落动画
        this.$nextTick(() => {
          this.$refs.shopcart.drop(target);
        });
      },
      _initScroll() {
        this.menuScroll = new BScroll(this.$refs.menuWrapper, {
          click: true
        });

        this.foodsScroll = new BScroll(this.$refs.foodsWrapper, {
          click: true,
          probeType: 3
        });

        this.foodsScroll.on("scroll", (pos) => {
          this.scrollY = Math.abs(Math.round(pos.y));
        });
      },
      _calculateHeight() {
        let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook');
        let height = 0;
        this.listHeight.push(height);
        for (let i = 0; i < foodList.length; i++) {
          let item = foodList[i];
          height += item.clientHeight;
          this.listHeight.push(height);
        }
      }
    },
    components: {
      shopcart,
      cartcontrol,
      food
    },
    events: {
      'cart.add' (target) {
        this._drop(target);
      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .goods
        display: flex
        position: absolute
        top: 174px
        bottom: 46px
         100%
        overflow: hidden
        .menu-wrapper
            flex: 0 0 80px
             80px
            background: #f3f5f7
            .menu-item
                display: table
                height: 54px
                 56px
                padding: 0 12px
                line-height: 14px
                &.current
                    position: relative
                    z-index: 10
                    margin-top: -1px
                    background: #ccc
                    font-weight: 700
                    .text
                        border-none()
                .icon
                    display: inline-block
                    vertical-align: top
                     12px
                    height: 12px
                    margin-right: 2px
                    background-size: 12px 12px
                    background-repeat: no-repeat
                    &.decrease
                            bg-image('decrease_3')
                        &.discount
                            bg-image('discount_3')
                        &.guarantee
                            bg-image('guarantee_3')
                        &.invoice
                            bg-image('invoice_3')
                        &.special
                            bg-image('special_3')
                .text
                    display: table-cell
                     56px
                    vertical-align: middle
                    border-1px(rgba(7,17,27,0.1))
                    font-size: 12px
        .foods-wrapper
            flex: 1
            .title
                padding-left: 14px
                height: 26px
                line-height: 26px
                border-left: 2px solid #d9dde1
                font-size: 12px
                color: rgb(147,153,159)
                background: #f3f5f7
            .food-item
                display: flex
                margin: 18px
                padding-bottom: 18px
                border-1px(rgba(7,17,27,0.1))
                &:last-child
                    border-none()
                    margin-bottom: 0
                .icon
                    flex: 0 0 57px
                    margin-right: 10px
                .content
                    flex: 1
                    .name
                        margin: 2px 0 8px 0
                        height: 14px
                        line-height: 14px
                        font-size: 14px
                        color: rgb(7,17,27)
                    .desc, .extra                    
                        line-height: 10px
                        font-size: 10px
                        color: rgb(147,153,159)
                    .desc
                        margin-bottom: 8px
                        line-height: 14px
                    .extra
                        .count
                            margin-right: 12px
                    .price
                        font-weight: 700
                        line-height: 24px
                        .now
                            margin-right: 8px
                            font-size: 14px
                            color: rgb(240,20,20)
                        .old
                            text-decoration: line-through
                            font-size: 10px
                            color: rgb(147,153,159)
                    .cartcontrol-wrapper
                        position: absolute
                        right: 0
                        bottom: 12px
</style>

步骤二：编写food.vue组件，实现切换动画效果

<template>
  <transition name="move">
    <div v-show="showFlag" class="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false
      };
    },
    methods: {
      show() {
        this.showFlag = true;
      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
</style>

商品详情实现（三）

编写food.vue组件，实现后退效果以及部分内容展示

<template>
  <transition name="move">
    <div v-show="showFlag" class="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>
<script>
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false
      };
    },
    methods: {
      show() {
        this.showFlag = true;
      },
      hide() {
        this.showFlag = false;
      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
</style>

商品详情实现（四）

编写food.vue组件，增加cartcontrol.vue组件

<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
        </div>
        <div class="cartcontrol-wrapper">
          <cartcontrol :food="food"></cartcontrol>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      }
    },
    components: {
      cartcontrol
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
</style>

商品详情实现（五）

步骤一：编写food.vue组件，实现添加购物车按钮（动画效果依然无法实现）

<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
        </div>
        <div class="cartcontrol-wrapper">
          <cartcontrol :food="food"></cartcontrol>
        </div>
        <transition name="fade">
          <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0">
            加入购物车
          </div>
        </transition>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
          if(!event._constructed) {
              return;
          }
          console.log(event.target);
          this.$emit('add', event.target);
        Vue.set(this.food, 'count', 1);
      }
    },
    components: {
      cartcontrol
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
    .cartcontrol-wrapper
      position: absolute
      right: 12px
      bottom: 12px
    .buy
      position: absolute
      right: 18px
      bottom: 18px
      z-index: 10
      height: 24px
      line-height: 24px
      padding: 0 12px
      box-sizing: border-box
      border-radius: 12px
      font-size: 10px
      color: #fff
      background: rgb(0, 160, 220)
      opacity: 1
      &.fade-enter-active, &.fade-leave-active
        transition: all 0.2s
      &.fade-enter, &.fade-leave-active
        opacity: 0
        z-index: -1
</style>

步骤二：编写cartcontrol.vue组件，阻止点击事件冒泡行为

<template>
  <div class="cartcontrol">
    <transition name="move">
      <div class="cart-decrease" v-show="food.count>0" @click.stop.prevent="decreaseCart">
        <span class="inner icon-remove_circle_outline"></span>
      </div>
    </transition>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop.prevent="addCart"></div>
  </div>
</template>

<script>
  import Vue from 'vue';
  export default {
    name: 'v-cartcontrol',
    props: {
      food: {
        type: Object
      }
    },
    methods: {
      addCart(event) {
        if (!event._constructed) {
          return;
        }
        if (!this.food.count) {
          Vue.set(this.food, 'count', 1);
        } else {
          this.food.count++;
        }
      },
      decreaseCart(event) {
        if (!event._constructed) {
          return;
        }
        if (this.food.count) {
          this.food.count--;
        }
      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size: 0
    .cart-decrease
      padding: 6px
      color: rgb(0,160,220)
      display: inline-block
      opacity: 1
      transform: translate3d(0, 0, 0)
      .inner
        display: inline-block
        line-height: 24px
        font-size: 24px
        color: rgb(0, 160, 220)
        transition: all 0.4s linear
        transform: rotate(0)
      &.move-enter-active, &.move-leave-active
        transition: all 0.4s linear
      &.move-enter, &.move-leave-active
        opacity: 0
        transform: translate3d(24px, 0, 0)
        .inner
          transform: rotate(180deg)
    .cart-count
      display: inline-block
      vertical-align: top
       12px
      padding-top: 6px
      line-height: 24px
      text-align: center
      font-size: 10px
      color: rgb(147,153,159)
    .cart-add
      display: inline-block
      padding: 6px
      line-height: 24px
      font-size: 24px
      color: rgb(0, 160, 220)
</style>

split组件实现

步骤一：新建split.vue组件

<template>
  <div class="split"></div>
</template>

<script>
  export default {};
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .split
     100%
    height: 16px
    border-top: 1px solid rgba(7, 17, 27, 0.1)
    border-bottom: 1px solid rgba(7, 17, 27, 0.1)
    /*background: #f3f5f7*/
    background: #ccc
</style>

步骤二：编写food.vue组件，继续添加内容和添加split.vue组件

<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <transition name="fade">
            <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0">
              加入购物车
            </div>
          </transition>
        </div>
        <split></split>
        <div class="info" v-show="food.info">
            <h1 class="title">商品信息</h1>
            <p class="text">{{food.info}}</p>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  import split from '../../components/split/split';
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
          if(!event._constructed) {
              return;
          }
          this.$emit('add', event.target);
        Vue.set(this.food, 'count', 1);
      }
    },
    components: {
      cartcontrol,
      split
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      position: relative
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrol-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom: 18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding: 0 12px
        box-sizing: border-box
        border-radius: 12px
        font-size: 10px
        color: #fff
        background: rgb(0, 160, 220)
        opacity: 1
        &.fade-enter-active, &.fade-leave-active
          transition: all 0.2s
        &.fade-enter, &.fade-leave-active
          opacity: 0
          z-index: -1
    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 6px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        color: rgb(77, 85, 93)
</style>

ratingselect组件（一）

步骤一：新建ratingselect.vue组件

<template>
  <div class="ratingselect">
    <div class="rating-type">
      <span>{{desc.all}}</span>
      <span>{{desc.positive}}</span>
      <span>{{desc.negative}}</span>
    </div>
    <div class="switch">
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;

  export default {
    props: {
      ratings: {
        type: Array,
        default () {
          return [];
        }
      },
      selectType: {
        type: Number,
        default: ALL
      },
      onlyContent: {
        type: Boolean,
        default: false
      },
      desc: {
        type: Object,
        default () {
          return {
            all: '全部',
            positive: '满意',
            negative: '不满意'
          };
        }
      }
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">

</style>

步骤二：编写food.vue组件，将ratingselect.vue组件加载

<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <transition name="fade">
            <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0">
              加入购物车
            </div>
          </transition>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
            <h1 class="title">商品信息</h1>
            <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
            <h1 class="title">商品评价</h1>
            <ratingselect></ratingselect>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  import split from '../../components/split/split';
  import ratingselect from '../../components/ratingselect/ratingselect';
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
          if(!event._constructed) {
              return;
          }
          this.$emit('add', event.target);
        Vue.set(this.food, 'count', 1);
      }
    },
    components: {
      cartcontrol,
      split,
      ratingselect
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      position: relative
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrol-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom: 18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding: 0 12px
        box-sizing: border-box
        border-radius: 12px
        font-size: 10px
        color: #fff
        background: rgb(0, 160, 220)
        opacity: 1
        &.fade-enter-active, &.fade-leave-active
          transition: all 0.2s
        &.fade-enter, &.fade-leave-active
          opacity: 0
          z-index: -1
    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 6px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        color: rgb(77, 85, 93)
</style>

ratingselect组件（二）

编写food.vue组件，实现部分ratingselect.vue效果

<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <transition name="fade">
            <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0">
              加入购物车
            </div>
          </transition>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect :select-type="selectType" :only-content="onlyContent" :desc="desc" :ratings="food.ratings"></ratingselect>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  import split from '../../components/split/split';
  import ratingselect from '../../components/ratingselect/ratingselect';

  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.selectType = ALL;
        this.onlyContent = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
        if (!event._constructed) {
          return;
        }
        this.$emit('add', event.target);
        Vue.set(this.food, 'count', 1);
      }
    },
    components: {
      cartcontrol,
      split,
      ratingselect
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      position: relative
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrol-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom: 18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding: 0 12px
        box-sizing: border-box
        border-radius: 12px
        font-size: 10px
        color: #fff
        background: rgb(0, 160, 220)
        opacity: 1
        &.fade-enter-active, &.fade-leave-active
          transition: all 0.2s
        &.fade-enter, &.fade-leave-active
          opacity: 0
          z-index: -1
    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 6px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        color: rgb(77, 85, 93)
    .rating
      padding-top: 18px
      .title
        line-height: 14px
        margin-left: 18px
        font-size: 14px
        color: rgb(7, 17, 27)
</style>

ratingselect组件（三）

继续编写ratingselect.vue组件，实现部分样式和动态切换

<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span class="block positive" :class="{'active':selectType===2}">
          {{desc.all}}
          <span class="count">47</span>
      </span>
      <span class="block positive" :class="{'active':selectType===0}">
          {{desc.positive}}
          <span class="count">40</span>
      </span>
      <span class="block negative" :class="{'active':selectType===1}">
          {{desc.negative}}
          <span class="count">10</span>
      </span>
    </div>
    <div class="switch">
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;

  export default {
    props: {
      ratings: {
        type: Array,
        default () {
          return [];
        }
      },
      selectType: {
        type: Number,
        default: ALL
      },
      onlyContent: {
        type: Boolean,
        default: false
      },
      desc: {
        type: Object,
        default () {
          return {
            all: '全部',
            positive: '满意',
            negative: '不满意'
          };
        }
      }
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .ratingselect
    .rating-type
      padding: 18px 0
      margin: 0 18px
      border-1px(rgba(7, 17, 27, 0.1))
      font-size: 0
      .block
        display: inline-block
        padding: 8px 12px
        margin-right: 8px
        line-height: 16px
        border-radius: 1px
        font-size: 12px
        color: rgb(77, 85, 93)
        &.active
          color: #fff
        .count
          margin-left: 2px
          font-size: 8px
        &.positive
          background: rgba(0, 160, 220, 0.2)
          &.active
            background: rgb(0, 160, 220)
        &.negative
          background: rgba(77, 85, 93, 0.2)
          &.active
            background: rgb(77, 85, 93)
</style>

ratingselect组件（四）

继续编写ratingselect.vue组件，进一步实现样式

<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span class="block positive" :class="{'active':selectType===2}">
          {{desc.all}}
          <span class="count">47</span>
      </span>
      <span class="block positive" :class="{'active':selectType===0}">
          {{desc.positive}}
          <span class="count">40</span>
      </span>
      <span class="block negative" :class="{'active':selectType===1}">
          {{desc.negative}}
          <span class="count">10</span>
      </span>
    </div>
    <div class="switch" :class="{'on':onlyContent}">
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;

  export default {
    props: {
      ratings: {
        type: Array,
        default () {
          return [];
        }
      },
      selectType: {
        type: Number,
        default: ALL
      },
      onlyContent: {
        type: Boolean,
        default: false
      },
      desc: {
        type: Object,
        default () {
          return {
            all: '全部',
            positive: '满意',
            negative: '不满意'
          };
        }
      }
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .ratingselect
    .rating-type
      padding: 18px 0
      margin: 0 18px
      border-1px(rgba(7, 17, 27, 0.1))
      font-size: 0
      .block
        display: inline-block
        padding: 8px 12px
        margin-right: 8px
        line-height: 16px
        border-radius: 1px
        font-size: 12px
        color: rgb(77, 85, 93)
        &.active
          color: #fff
        .count
          margin-left: 2px
          font-size: 8px
        &.positive
          background: rgba(0, 160, 220, 0.2)
          &.active
            background: rgb(0, 160, 220)
        &.negative
          background: rgba(77, 85, 93, 0.2)
          &.active
            background: rgb(77, 85, 93)
    .switch
      padding: 12px 18px
      line-height: 24px
      border-bottom: 1px solid rgba(7, 17, 27, 0.1)
      color: rgb(147, 153, 159)
      font-size: 0
      &.on
        .icon-check_circle
          color: #00c850
      .icon-check_circle
        display: inline-block
        vertical-align: top
        margin-right: 4px
        font-size: 24px
      .text
        display: inline-block
        vertical-align: top
        font-size: 12px
</style>

ratingselect组件（五）

继续编写ratingselect.vue组件，完成全部切换效果（点击效果无效）

<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span @click="select(2,$event)" class="block positive" :class="{'active':selectType===2}">{{desc.all}}<span
          class="count">{{ratings.length}}</span></span>
      <span @click="select(0,$event)" class="block positive" :class="{'active':selectType===0}">{{desc.positive}}<span
          class="count">{{positives.length}}</span></span>
      <span @click="select(1,$event)" class="block negative" :class="{'active':selectType===1}">{{desc.negative}}<span
          class="count">{{negatives.length}}</span></span>
    </div>
    <div @click="toggleContent" class="switch" :class="{'on':onlyContent}">
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;

  export default {
    props: {
      ratings: {
        type: Array,
        default() {
          return [];
        }
      },
      selectType: {
        type: Number,
        default: ALL
      },
      onlyContent: {
        type: Boolean,
        default: false
      },
      desc: {
        type: Object,
        default() {
          return {
            all: '全部',
            positive: '满意',
            negative: '不满意'
          };
        }
      }
    },
    computed: {
      positives() {
        return this.ratings.filter((rating) => {
          return rating.rateType === POSITIVE;
        });
      },
      negatives() {
        return this.ratings.filter((rating) => {
          return rating.rateType === NEGATIVE;
        });
      }
    },
    methods: {
      select(type, event) {
        if (!event._constructed) {
          return;
        }
        this.$emit('select', type);
      },
      toggleContent(event) {
        if (!event._constructed) {
          return;
        }
        this.$emit('toggle');
      }
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"

  .ratingselect
    .rating-type
      padding: 18px 0
      margin: 0 18px
      border-1px(rgba(7, 17, 27, 0.1))
      font-size: 0
      .block
        display: inline-block
        padding: 8px 12px
        margin-right: 8px
        line-height: 16px
        border-radius: 1px
        font-size: 12px
        color: rgb(77, 85, 93)
        &.active
          color: #fff
        .count
          margin-left: 2px
          font-size: 8px
        &.positive
          background: rgba(0, 160, 220, 0.2)
          &.active
            background: rgb(0, 160, 220)
        &.negative
          background: rgba(77, 85, 93, 0.2)
          &.active
            background: rgb(77, 85, 93)
    .switch
      padding: 12px 18px
      line-height: 24px
      border-bottom: 1px solid rgba(7, 17, 27, 0.1)
      color: rgb(147, 153, 159)
      font-size: 0
      &.on
        .icon-check_circle
          color: #00c850
      .icon-check_circle
        display: inline-block
        vertical-align: top
        margin-right: 4px
        font-size: 24px
      .text
        display: inline-block
        vertical-align: top
        font-size: 12px
</style>

评价列表（一）

编写好food.vue组件的评价结构

<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <transition name="fade">
            <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0">
              加入购物车
            </div>
          </transition>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect :select-type="selectType" :only-content="onlyContent" :desc="desc" :ratings="food.ratings"></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings.length">
              <li v-for="rating in food.ratings" class="rating-item">
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img class="avatar" width="12" height="12" :src="rating.avatar" />
                </div>
                <div class="time">{{rating.rateTime}}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span> {{rating.text}}
                </p>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || !food.ratings.length"></div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  import split from '../../components/split/split';
  import ratingselect from '../../components/ratingselect/ratingselect';

  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.selectType = ALL;
        this.onlyContent = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
        if (!event._constructed) {
          return;
        }
        this.$emit('add', event.target);
        Vue.set(this.food, 'count', 1);
      }
    },
    components: {
      cartcontrol,
      split,
      ratingselect
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      position: relative
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrol-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom: 18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding: 0 12px
        box-sizing: border-box
        border-radius: 12px
        font-size: 10px
        color: #fff
        background: rgb(0, 160, 220)
        opacity: 1
        &.fade-enter-active, &.fade-leave-active
          transition: all 0.2s
        &.fade-enter, &.fade-leave-active
          opacity: 0
          z-index: -1
    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 6px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        color: rgb(77, 85, 93)
    .rating
      padding-top: 18px
      .title
        line-height: 14px
        margin-left: 18px
        font-size: 14px
        color: rgb(7, 17, 27)
</style>

评论列表（二）

继续编写food.vue组件的评论区样式

<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <transition name="fade">
            <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0">
              加入购物车
            </div>
          </transition>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect :select-type="selectType" :only-content="onlyContent" :desc="desc" :ratings="food.ratings"></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings.length">
              <li v-for="rating in food.ratings" class="rating-item border-1px">
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img class="avatar" width="12" height="12" :src="rating.avatar" />
                </div>
                <div class="time">{{rating.rateTime}}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span> {{rating.text}}
                </p>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || !food.ratings.length"></div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  import split from '../../components/split/split';
  import ratingselect from '../../components/ratingselect/ratingselect';

  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.selectType = ALL;
        this.onlyContent = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
        if (!event._constructed) {
          return;
        }
        this.$emit('add', event.target);
        Vue.set(this.food, 'count', 1);
      }
    },
    components: {
      cartcontrol,
      split,
      ratingselect
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      position: relative
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrol-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom: 18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding: 0 12px
        box-sizing: border-box
        border-radius: 12px
        font-size: 10px
        color: #fff
        background: rgb(0, 160, 220)
        opacity: 1
        &.fade-enter-active, &.fade-leave-active
          transition: all 0.2s
        &.fade-enter, &.fade-leave-active
          opacity: 0
          z-index: -1
    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 6px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        color: rgb(77, 85, 93)
    .rating
      padding-top: 18px
      .title
        line-height: 14px
        margin-left: 18px
        font-size: 14px
        color: rgb(7, 17, 27)
      .rating-wrapper
        padding: 0 18px
        .rating-item
          position: relative
          padding: 16px 0
          border-1px(rgba(7, 17, 27, 0.1))
          .user
            position: absolute
            right: 0
            top: 16px
            line-height: 12px
            font-size: 0
            .name
              display: inline-block
              margin-right: 6px
              vertical-align: top
              font-size: 10px
              color: rgb(147, 153, 159)
            .avatar
              border-radius: 50%
          .time
            margin-bottom: 6px
            line-height: 12px
            font-size: 10px
            color: rgb(147, 153, 159)
          .text
            line-height: 16px
            font-size: 12px
            color: rgb(7, 17, 27)
            .icon-thumb_up, .icon-thumb_down
              margin-right: 4px
              line-height: 16px
              font-size: 12px
            .icon-thumb_up
              color: rgb(0, 160, 220)
            .icon-thumb_down
              color: rgb(147, 153, 159)
        .no-rating
          padding: 16px 0
          font-size: 12px
          color: rgb(147, 153, 159)
</style>

评论列表（三）

继续编写food.vue组件，实现评价切换效果（失败）

<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <transition name="fade">
            <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0">
              加入购物车
            </div>
          </transition>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect :select-type="selectType" :only-content="onlyContent" :desc="desc" :ratings="food.ratings"></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings.length">
              <li v-show="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings" class="rating-item border-1px">
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img class="avatar" width="12" height="12" :src="rating.avatar" />
                </div>
                <div class="time">{{rating.rateTime}}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span> {{rating.text}}
                </p>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || !food.ratings.length"></div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  import split from '../../components/split/split';
  import ratingselect from '../../components/ratingselect/ratingselect';

  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.selectType = ALL;
        this.onlyContent = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
        if (!event._constructed) {
          return;
        }
        this.$emit('add', event.target);
        Vue.set(this.food, 'count', 1);
      },
      needShow(type, text) {
        if (this.onlyContent && !text) {
          return false;
        }
        if (this.selectType === ALL) {
          return true;
        } else {
          return type === this.selectType;
        }
      }
    },
    events: {
        'ratingtype.select'(type) {
            this.selectType = type;
            this.$nextTick(() => {
                this.scroll.refresh();
            });
        },
        'content.toggle'(onlyContent) {
            this.onlyContent = onlyContent;
            this.$nextTick(() => {
                this.scroll.refresh();
            });
        }
    },
    components: {
      cartcontrol,
      split,
      ratingselect
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      position: relative
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrol-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom: 18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding: 0 12px
        box-sizing: border-box
        border-radius: 12px
        font-size: 10px
        color: #fff
        background: rgb(0, 160, 220)
        opacity: 1
        &.fade-enter-active, &.fade-leave-active
          transition: all 0.2s
        &.fade-enter, &.fade-leave-active
          opacity: 0
          z-index: -1
    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 6px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        color: rgb(77, 85, 93)
    .rating
      padding-top: 18px
      .title
        line-height: 14px
        margin-left: 18px
        font-size: 14px
        color: rgb(7, 17, 27)
      .rating-wrapper
        padding: 0 18px
        .rating-item
          position: relative
          padding: 16px 0
          border-1px(rgba(7, 17, 27, 0.1))
          .user
            position: absolute
            right: 0
            top: 16px
            line-height: 12px
            font-size: 0
            .name
              display: inline-block
              margin-right: 6px
              vertical-align: top
              font-size: 10px
              color: rgb(147, 153, 159)
            .avatar
              border-radius: 50%
          .time
            margin-bottom: 6px
            line-height: 12px
            font-size: 10px
            color: rgb(147, 153, 159)
          .text
            line-height: 16px
            font-size: 12px
            color: rgb(7, 17, 27)
            .icon-thumb_up, .icon-thumb_down
              margin-right: 4px
              line-height: 16px
              font-size: 12px
            .icon-thumb_up
              color: rgb(0, 160, 220)
            .icon-thumb_down
              color: rgb(147, 153, 159)
        .no-rating
          padding: 16px 0
          font-size: 12px
          color: rgb(147, 153, 159)
</style>

评论列表（四、五、六）

步骤一：编写food.vue组件，创建一个时间过滤器

<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <transition name="fade">
            <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0">
              加入购物车
            </div>
          </transition>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect :select-type="selectType" :only-content="onlyContent" :desc="desc" :ratings="food.ratings"></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings.length">
              <li v-show="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings" class="rating-item border-1px">
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img class="avatar" width="12" height="12" :src="rating.avatar" />
                </div>
                <div class="time">{{rating.rateTime | formatDate}}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span> 
                  {{rating.text}}
                </p>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || !food.ratings.length">暂无评价</div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import Vue from 'vue';
  import {formatDate} from '../../common/js/date';
  import cartcontrol from '../../components/cartcontrol/cartcontrol';
  import split from '../../components/split/split';
  import ratingselect from '../../components/ratingselect/ratingselect';

  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;
  export default {
    name: 'v-food',
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      };
    },
    methods: {
      show() {
        this.showFlag = true;
        this.selectType = ALL;
        this.onlyContent = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            });
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
        if (!event._constructed) {
          return;
        }
        this.$emit('add', event.target);
        Vue.set(this.food, 'count', 1);
      },
      needShow(type, text) {
        if (this.onlyContent && !text) {
          return false;
        }
        if (this.selectType === ALL) {
          return true;
        } else {
          return type === this.selectType;
        }
      }
    },
    events: {
        'ratingtype.select'(type) {
            this.selectType = type;
            this.$nextTick(() => {
                this.scroll.refresh();
            });
        },
        'content.toggle'(onlyContent) {
            this.onlyContent = onlyContent;
            this.$nextTick(() => {
                this.scroll.refresh();
            });
        }
    },
    filters: {
      formatDate(time) {
        let date = new Date(time);
        return formatDate(date, 'yyyy-MM-dd hh:mm');
      }
    },
    components: {
      cartcontrol,
      split,
      ratingselect
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"
  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30px
     100%
    background: #fff
    transform: translate3d(0, 0, 0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.2s linear
    &.move-enter, &.move-leave-active
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
       100%
      height: 0
      padding-top: 100%
      img
        position: absolute
        top: 0
        left: 0
         100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff
    .content
      position: relative
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 8px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrol-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom: 18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding: 0 12px
        box-sizing: border-box
        border-radius: 12px
        font-size: 10px
        color: #fff
        background: rgb(0, 160, 220)
        opacity: 1
        &.fade-enter-active, &.fade-leave-active
          transition: all 0.2s
        &.fade-enter, &.fade-leave-active
          opacity: 0
          z-index: -1
    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom: 6px
        font-size: 14px
        font-weight: 700
        color: rgb(7, 17, 27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        color: rgb(77, 85, 93)
    .rating
      padding-top: 18px
      .title
        line-height: 14px
        margin-left: 18px
        font-size: 14px
        color: rgb(7, 17, 27)
      .rating-wrapper
        padding: 0 18px
        .rating-item
          position: relative
          padding: 16px 0
          border-1px(rgba(7, 17, 27, 0.1))
          .user
            position: absolute
            right: 0
            top: 16px
            line-height: 12px
            font-size: 0
            .name
              display: inline-block
              margin-right: 6px
              vertical-align: top
              font-size: 10px
              color: rgb(147, 153, 159)
            .avatar
              border-radius: 50%
          .time
            margin-bottom: 6px
            line-height: 12px
            font-size: 10px
            color: rgb(147, 153, 159)
          .text
            line-height: 16px
            font-size: 12px
            color: rgb(7, 17, 27)
            .icon-thumb_up, .icon-thumb_down
              margin-right: 4px
              line-height: 16px
              font-size: 12px
            .icon-thumb_up
              color: rgb(0, 160, 220)
            .icon-thumb_down
              color: rgb(147, 153, 159)
        .no-rating
          padding: 16px 0
          font-size: 12px
          color: rgb(147, 153, 159)
</style>

步骤二：编写公共的date.js文件，实现时间过滤的效果

export function formatDate(date, fmt) {
  if (/(y+)/.test(fmt)) {
    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length));
  }
  let o = {
    'M+': date.getMonth() + 1,
    'd+': date.getDate(),
    'h+': date.getHours(),
    'm+': date.getMinutes(),
    's+': date.getSeconds()
  };
  for (let k in o) {
    if (new RegExp(`(${k})`).test(fmt)) {
      let str = o[k] + '';
      fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? str : padLeftZero(str));
    }
  }
  return fmt;
};

function padLeftZero(str) {
  return ('00' + str).substr(str.length);
}

rating组件开发（一）

编写ratings.vue组件，完成左边部分样式

<template>
  <div class="ratings">
    <div class="ratings-content">
      <div class="overview">
        <div class="overview-left">
          <h1 class="score">{{seller.score}}</h1>
          <div class="title">综合评分</div>
          <div class="rank">高于周边商家{{seller.rankRate}}%</div>
        </div>
        <div class="overview-right"></div>
      </div>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'v-ratings',
    props: {
      seller: {
        type: Object
      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .ratings
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      display: flex
      padding: 18px 0
      .overview-left
        flex: 0 0 137px
        padding: 6px 0
         137px
        border-right: 1px solid rgba(7, 17, 27, 0.1)
        text-align: center
        @media only screen and (max- 320px)
          flex: 0 0 120px
           120px
        .score
          margin-bottom: 6px
          line-height: 28px
          font-size: 24px
          color: rgb(255, 153, 0)
        .title
          margin-bottom: 8px
          line-height: 12px
          font-size: 12px
          color: rgb(7, 17, 27)
        .rank
          line-height: 10px
          font-size: 10px
          color: rgb(147, 153, 159)
      .overview-right
        flex: 1
        padding: 6px 0 6px 24px
</style>

rating组件开发（二）

继续编写ratings.vue组件，完成右边部分样式

<template>
  <div class="ratings">
    <div class="ratings-content">
      <div class="overview">
        <div class="overview-left">
          <h1 class="score">{{seller.score}}</h1>
          <div class="title">综合评分</div>
          <div class="rank">高于周边商家{{seller.rankRate}}%</div>
        </div>
        <div class="overview-right">
            <div class="score-wrapper">
                <span class="title">服务态度</span>
                <star :size="36" :score="seller.serviceScore"></star>
            <span class="score">{{seller.serviceScore}}</span>
            </div>
            <div class="score-wrapper">
                <span class="title">商品评分</span>
            <star :size="36" :score="seller.foodScore"></star>
            <span class="score">{{seller.foodScore}}</span>
            </div>
            <div class="delivery-wrapper">
            <span class="title">送达时间</span>
            <span class="delivery">{{seller.deliveryTime}}分钟</span>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
    import star from '../../components/star/star';
  export default {
    name: 'v-ratings',
    props: {
      seller: {
        type: Object
      }
    },
    components: {
        star
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .ratings
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      display: flex
      padding: 18px 0
      .overview-left
        flex: 0 0 137px
        padding: 6px 0
         137px
        border-right: 1px solid rgba(7, 17, 27, 0.1)
        text-align: center
        @media only screen and (max- 320px)
          flex: 0 0 120px
           120px
        .score
          margin-bottom: 6px
          line-height: 28px
          font-size: 24px
          color: rgb(255, 153, 0)
        .title
          margin-bottom: 8px
          line-height: 12px
          font-size: 12px
          color: rgb(7, 17, 27)
        .rank
          line-height: 10px
          font-size: 10px
          color: rgb(147, 153, 159)
      .overview-right
        flex: 1
        padding: 6px 0 6px 24px
        @media only screen and (max- 320px)
          padding-left: 6px
        .score-wrapper
          margin-bottom: 8px
          font-size: 0
          .title
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(7, 17, 27)
          .star
            display: inline-block
            margin: 0 12px
            vertical-align: top
          .score
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(255, 153, 0)
        .delivery-wrapper
          font-size: 0
          .title
            line-height: 18px
            font-size: 12px
            color: rgb(7, 17, 27)
          .delivery
            margin-left: 12px
            font-size: 12px
            color: rgb(147, 153, 159)
</style>

rating组件开发（三）

继续编写ratings.vue组件，利用media实现响应式功能

<template>
  <div class="ratings">
    <div class="ratings-content">
      <div class="overview">
        <div class="overview-left">
          <h1 class="score">{{seller.score}}</h1>
          <div class="title">综合评分</div>
          <div class="rank">高于周边商家{{seller.rankRate}}%</div>
        </div>
        <div class="overview-right">
            <div class="score-wrapper">
                <span class="title">服务态度</span>
                <star :size="36" :score="seller.serviceScore"></star>
            <span class="score">{{seller.serviceScore}}</span>
            </div>
            <div class="score-wrapper">
                <span class="title">商品评分</span>
            <star :size="36" :score="seller.foodScore"></star>
            <span class="score">{{seller.foodScore}}</span>
            </div>
            <div class="delivery-wrapper">
            <span class="title">送达时间</span>
            <span class="delivery">{{seller.deliveryTime}}分钟</span>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
    import star from '../../components/star/star';
  export default {
    name: 'v-ratings',
    props: {
      seller: {
        type: Object
      }
    },
    components: {
        star
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .ratings
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      display: flex
      padding: 18px 0
      .overview-left
        flex: 0 0 137px
        padding: 6px 0
         137px
        border-right: 1px solid rgba(7, 17, 27, 0.1)
        text-align: center
        @media only screen and (max- 320px)
          flex: 0 0 120px
           120px
        .score
          margin-bottom: 6px
          line-height: 28px
          font-size: 24px
          color: rgb(255, 153, 0)
        .title
          margin-bottom: 8px
          line-height: 12px
          font-size: 12px
          color: rgb(7, 17, 27)
        .rank
          line-height: 10px
          font-size: 10px
          color: rgb(147, 153, 159)
      .overview-right
        flex: 1
        padding: 6px 0 6px 24px
        @media only screen and (max- 320px)
          padding-left: 6px
        .score-wrapper
          margin-bottom: 8px
          font-size: 0
          .title
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(7, 17, 27)
          .star
            display: inline-block
            margin: 0 12px
            vertical-align: top
          .score
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(255, 153, 0)
        .delivery-wrapper
          font-size: 0
          .title
            line-height: 18px
            font-size: 12px
            color: rgb(7, 17, 27)
          .delivery
            margin-left: 12px
            font-size: 12px
            color: rgb(147, 153, 159)
</style>

rating组件开发（四）

继续编写ratings.vue组件，实现评论区内容展示

<template>
  <div class="ratings">
    <div class="ratings-content">
      <div class="overview">
        <div class="overview-left">
          <h1 class="score">{{seller.score}}</h1>
          <div class="title">综合评分</div>
          <div class="rank">高于周边商家{{seller.rankRate}}%</div>
        </div>
        <div class="overview-right">
          <div class="score-wrapper">
            <span class="title">服务态度</span>
            <star :size="36" :score="seller.serviceScore"></star>
            <span class="score">{{seller.serviceScore}}</span>
          </div>
          <div class="score-wrapper">
            <span class="title">商品评分</span>
            <star :size="36" :score="seller.foodScore"></star>
            <span class="score">{{seller.foodScore}}</span>
          </div>
          <div class="delivery-wrapper">
            <span class="title">送达时间</span>
            <span class="delivery">{{seller.deliveryTime}}分钟</span>
          </div>
        </div>
      </div>
      <split></split>
      <ratingselect :selectType="selectType" :onlyContent="onlyContent" :ratings="ratings"></ratingselect>
      <div class="rating-wrapper">
        <ul>
          <li v-for="rating in ratings" class="rating-item">
            <div class="avatar">
              <img width="28" height="28" :src="rating.avatar">
            </div>
            <div class="content">
              <h1 class="name">{{rating.username}}</h1>
              <div class="star-wrapper">
                <star :size="24" :score="rating.score"></star>
                <span class="delivery" v-show="rating.deliveryTime">{{rating.deliveryTime}}</span>
              </div>
              <p class="text">{{rating.text}}</p>
              <div class="recommend" v-show="rating.recommend && rating.recommend.length">
                <span class="icon-thumb_up"></span>
                <span class="item" v-for="item in rating.recommend">{{item}}</span>
              </div>
              <div class="time">
                {{rating.rateTime}}
              </div>
            </div>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import star from '../../components/star/star';
  import split from '../../components/split/split';
  import ratingselect from '../../components/ratingselect/ratingselect';

  const ALL = 2;
  const ERR_OK = 0;
  export default {
    name: 'v-ratings',
    props: {
      seller: {
        type: Object
      }
    },
    data() {
      return {
        ratings: [],
        selectType: ALL,
        onlyContent: true
      };
    },
    created() {
      this.$http.get('/api/ratings').then((response) => {
        response = response.body;
        if (response.errno === ERR_OK) {
          this.ratings = response.data;
        }
      });
    },
    components: {
      star,
      split,
      ratingselect
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  .ratings
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      display: flex
      padding: 18px 0
      .overview-left
        flex: 0 0 137px
        padding: 6px 0
         137px
        border-right: 1px solid rgba(7, 17, 27, 0.1)
        text-align: center
        @media only screen and (max- 320px)
          flex: 0 0 120px
           120px
        .score
          margin-bottom: 6px
          line-height: 28px
          font-size: 24px
          color: rgb(255, 153, 0)
        .title
          margin-bottom: 8px
          line-height: 12px
          font-size: 12px
          color: rgb(7, 17, 27)
        .rank
          line-height: 10px
          font-size: 10px
          color: rgb(147, 153, 159)
      .overview-right
        flex: 1
        padding: 6px 0 6px 24px
        @media only screen and (max- 320px)
          padding-left: 6px
        .score-wrapper
          margin-bottom: 8px
          font-size: 0
          .title
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(7, 17, 27)
          .star
            display: inline-block
            margin: 0 12px
            vertical-align: top
          .score
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(255, 153, 0)
        .delivery-wrapper
          font-size: 0
          .title
            line-height: 18px
            font-size: 12px
            color: rgb(7, 17, 27)
          .delivery
            margin-left: 12px
            font-size: 12px
            color: rgb(147, 153, 159)
</style>

rating组件开发（五）

继续编写ratings.vue组件，实现评论区滚动功能和相关样式

<template>
  <div class="ratings" ref="ratings">
    <div class="ratings-content">
      <div class="overview">
        <div class="overview-left">
          <h1 class="score">{{seller.score}}</h1>
          <div class="title">综合评分</div>
          <div class="rank">高于周边商家{{seller.rankRate}}%</div>
        </div>
        <div class="overview-right">
          <div class="score-wrapper">
            <span class="title">服务态度</span>
            <star :size="36" :score="seller.serviceScore"></star>
            <span class="score">{{seller.serviceScore}}</span>
          </div>
          <div class="score-wrapper">
            <span class="title">商品评分</span>
            <star :size="36" :score="seller.foodScore"></star>
            <span class="score">{{seller.foodScore}}</span>
          </div>
          <div class="delivery-wrapper">
            <span class="title">送达时间</span>
            <span class="delivery">{{seller.deliveryTime}}分钟</span>
          </div>
        </div>
      </div>
      <split></split>
      <ratingselect :selectType="selectType" :onlyContent="onlyContent" :ratings="ratings"></ratingselect>
      <div class="rating-wrapper">
        <ul>
          <li v-for="rating in ratings" class="rating-item">
            <div class="avatar">
              <img width="28" height="28" :src="rating.avatar">
            </div>
            <div class="content">
              <h1 class="name">{{rating.username}}</h1>
              <div class="star-wrapper">
                <star :size="24" :score="rating.score"></star>
                <span class="delivery" v-show="rating.deliveryTime">{{rating.deliveryTime}}</span>
              </div>
              <p class="text">{{rating.text}}</p>
              <div class="recommend" v-show="rating.recommend && rating.recommend.length">
                <span class="icon-thumb_up"></span>
                <span class="item" v-for="item in rating.recommend">{{item}}</span>
              </div>
              <div class="time">
                {{rating.rateTime | formatDate}}
              </div>
            </div>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import star from '../../components/star/star';
  import split from '../../components/split/split';
  import ratingselect from '../../components/ratingselect/ratingselect';
  import { formatDate } from '../../common/js/date';

  const ALL = 2;
  const ERR_OK = 0;
  export default {
    name: 'v-ratings',
    props: {
      seller: {
        type: Object
      }
    },
    data() {
      return {
        ratings: [],
        selectType: ALL,
        onlyContent: true
      };
    },
    created() {
      this.$http.get('/api/ratings').then((response) => {
        response = response.body;
        if (response.errno === ERR_OK) {
          this.ratings = response.data;
          this.$nextTick(() => {
            this.scroll = new BScroll(this.$refs.ratings, {
              click: true
            });
          });
        }
      });
    },
    filters: {
      formatDate(time) {
        let date = new Date(time);
        return formatDate(date, 'yyyy-MM-dd hh:mm');
      }
    },
    components: {
      star,
      split,
      ratingselect
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"
  .ratings
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      display: flex
      padding: 18px 0
      .overview-left
        flex: 0 0 137px
        padding: 6px 0
         137px
        border-right: 1px solid rgba(7, 17, 27, 0.1)
        text-align: center
        @media only screen and (max- 320px)
          flex: 0 0 120px
           120px
        .score
          margin-bottom: 6px
          line-height: 28px
          font-size: 24px
          color: rgb(255, 153, 0)
        .title
          margin-bottom: 8px
          line-height: 12px
          font-size: 12px
          color: rgb(7, 17, 27)
        .rank
          line-height: 10px
          font-size: 10px
          color: rgb(147, 153, 159)
      .overview-right
        flex: 1
        padding: 6px 0 6px 24px
        @media only screen and (max- 320px)
          padding-left: 6px
        .score-wrapper
          margin-bottom: 8px
          font-size: 0
          .title
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(7, 17, 27)
          .star
            display: inline-block
            margin: 0 12px
            vertical-align: top
          .score
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(255, 153, 0)
        .delivery-wrapper
          font-size: 0
          .title
            line-height: 18px
            font-size: 12px
            color: rgb(7, 17, 27)
          .delivery
            margin-left: 12px
            font-size: 12px
            color: rgb(147, 153, 159)
    .rating-wrapper
      padding: 0 18px
      .rating-item
        display: flex
        padding: 18px 0
        border-1px(rgba(7, 17, 27, 0.1))
        .avatar
          flex: 0 0 28px
           28px
          margin-right: 12px
          img
            border-radius: 50%
        .content
          position: relative
          flex: 1
          .name
            margin-bottom: 4px
            line-height: 12px
            font-size: 10px
            color: rgb(7, 17, 27)
          .star-wrapper
            margin-bottom: 6px
            font-size: 0
            .star
              display: inline-block
              margin-right: 6px
              vertical-align: top
            .delivery
              display: inline-block
              vertical-align: top
              line-height: 12px
              font-size: 10px
              color: rgb(147, 153, 159)
          .text
            margin-bottom: 8px
            line-height: 18px
            color: rgb(7, 17, 27)
            font-size: 12px
          .recommend
            line-height: 16px
            font-size: 0
            .icon-thumb_up, .item
              display: inline-block
              margin: 0 8px 4px 0
              font-size: 9px
            .icon-thumb_up
              color: rgb(0, 160, 220)
            .item
              padding: 0 6px
              border: 1px solid rgba(7, 17, 27, 0.1)
              border-radius: 1px
              color: rgb(147, 153, 159)
              background: #fff
          .time
            position: absolute
            top: 0
            right: 0
            line-height: 12px
            font-size: 10px
            color: rgb(147, 153, 159)
</style>

rating组件开发（六）

完善ratings.vue组件切换“满意、不满意”的效果（失败）

<template>
  <div class="ratings" ref="ratings">
    <div class="ratings-content">
      <div class="overview">
        <div class="overview-left">
          <h1 class="score">{{seller.score}}</h1>
          <div class="title">综合评分</div>
          <div class="rank">高于周边商家{{seller.rankRate}}%</div>
        </div>
        <div class="overview-right">
          <div class="score-wrapper">
            <span class="title">服务态度</span>
            <star :size="36" :score="seller.serviceScore"></star>
            <span class="score">{{seller.serviceScore}}</span>
          </div>
          <div class="score-wrapper">
            <span class="title">商品评分</span>
            <star :size="36" :score="seller.foodScore"></star>
            <span class="score">{{seller.foodScore}}</span>
          </div>
          <div class="delivery-wrapper">
            <span class="title">送达时间</span>
            <span class="delivery">{{seller.deliveryTime}}分钟</span>
          </div>
        </div>
      </div>
      <split></split>
      <ratingselect :selectType="selectType" :onlyContent="onlyContent" :ratings="ratings"></ratingselect>
      <div class="rating-wrapper">
        <ul>
          <li v-for="rating in ratings" v-show="needShow(rating.rateType, rating.text)" class="rating-item">
            <div class="avatar">
              <img width="28" height="28" :src="rating.avatar">
            </div>
            <div class="content">
              <h1 class="name">{{rating.username}}</h1>
              <div class="star-wrapper">
                <star :size="24" :score="rating.score"></star>
                <span class="delivery" v-show="rating.deliveryTime">{{rating.deliveryTime}}</span>
              </div>
              <p class="text">{{rating.text}}</p>
              <div class="recommend" v-show="rating.recommend && rating.recommend.length">
                <span class="icon-thumb_up"></span>
                <span class="item" v-for="item in rating.recommend">{{item}}</span>
              </div>
              <div class="time">
                {{rating.rateTime | formatDate}}
              </div>
            </div>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import star from '../../components/star/star';
  import split from '../../components/split/split';
  import ratingselect from '../../components/ratingselect/ratingselect';
  import { formatDate } from '../../common/js/date';

  const ALL = 2;
  const ERR_OK = 0;
  export default {
    name: 'v-ratings',
    props: {
      seller: {
        type: Object
      }
    },
    data() {
      return {
        ratings: [],
        selectType: ALL,
        onlyContent: true
      };
    },
    created() {
      this.$http.get('/api/ratings').then((response) => {
        response = response.body;
        if (response.errno === ERR_OK) {
          this.ratings = response.data;
          this.$nextTick(() => {
            this.scroll = new BScroll(this.$refs.ratings, {
              click: true
            });
          });
        }
      });
    },
    events: {
        'ratingtype.select'(type) {
            this.selectType = type;
            this.$nextTick(() => {
                this.scroll.refresh();
            });
        },
        'content.toggle'(onlyContent) {
            this.onlyContent = onlyContent;
            this.$nextTick(() => {
                this.scroll.refresh();
            });
        }
    },
    filters: {
      formatDate(time) {
        let date = new Date(time);
        return formatDate(date, 'yyyy-MM-dd hh:mm');
      }
    },
    methods: {
        needShow(type, text) {
        if (this.onlyContent && !text) {
          return false;
        }
        if (this.selectType === ALL) {
          return true;
        } else {
          return type === this.selectType;
        }
      }
    },
    components: {
      star,
      split,
      ratingselect
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"
  .ratings
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      display: flex
      padding: 18px 0
      .overview-left
        flex: 0 0 137px
        padding: 6px 0
         137px
        border-right: 1px solid rgba(7, 17, 27, 0.1)
        text-align: center
        @media only screen and (max- 320px)
          flex: 0 0 120px
           120px
        .score
          margin-bottom: 6px
          line-height: 28px
          font-size: 24px
          color: rgb(255, 153, 0)
        .title
          margin-bottom: 8px
          line-height: 12px
          font-size: 12px
          color: rgb(7, 17, 27)
        .rank
          line-height: 10px
          font-size: 10px
          color: rgb(147, 153, 159)
      .overview-right
        flex: 1
        padding: 6px 0 6px 24px
        @media only screen and (max- 320px)
          padding-left: 6px
        .score-wrapper
          margin-bottom: 8px
          font-size: 0
          .title
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(7, 17, 27)
          .star
            display: inline-block
            margin: 0 12px
            vertical-align: top
          .score
            display: inline-block
            line-height: 18px
            vertical-align: top
            font-size: 12px
            color: rgb(255, 153, 0)
        .delivery-wrapper
          font-size: 0
          .title
            line-height: 18px
            font-size: 12px
            color: rgb(7, 17, 27)
          .delivery
            margin-left: 12px
            font-size: 12px
            color: rgb(147, 153, 159)
    .rating-wrapper
      padding: 0 18px
      .rating-item
        display: flex
        padding: 18px 0
        border-1px(rgba(7, 17, 27, 0.1))
        .avatar
          flex: 0 0 28px
           28px
          margin-right: 12px
          img
            border-radius: 50%
        .content
          position: relative
          flex: 1
          .name
            margin-bottom: 4px
            line-height: 12px
            font-size: 10px
            color: rgb(7, 17, 27)
          .star-wrapper
            margin-bottom: 6px
            font-size: 0
            .star
              display: inline-block
              margin-right: 6px
              vertical-align: top
            .delivery
              display: inline-block
              vertical-align: top
              line-height: 12px
              font-size: 10px
              color: rgb(147, 153, 159)
          .text
            margin-bottom: 8px
            line-height: 18px
            color: rgb(7, 17, 27)
            font-size: 12px
          .recommend
            line-height: 16px
            font-size: 0
            .icon-thumb_up, .item
              display: inline-block
              margin: 0 8px 4px 0
              font-size: 9px
            .icon-thumb_up
              color: rgb(0, 160, 220)
            .item
              padding: 0 6px
              border: 1px solid rgba(7, 17, 27, 0.1)
              border-radius: 1px
              color: rgb(147, 153, 159)
              background: #fff
          .time
            position: absolute
            top: 0
            right: 0
            line-height: 12px
            font-size: 10px
            color: rgb(147, 153, 159)
</style>

seller组件开发（一）

编写seller.vue组件，建立初步的头部结构

<template>
  <div class="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc">
          <star :size="36" :score="seller.score"></star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}元</span>
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}元</span>
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}分钟</span>
            </div>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import star from '../../components/star/star';
  export default {
    name: 'v-seller',
    props: {
      seller: {
        type: Object
      }
    },
    components: {
      star
    }
  }
</script>

<style scoped>

</style>

seller组件开发（二）

编写seller.vue组件，建立初步的头部结构样式

<template>
  <div class="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-1px">
          <star :size="36" :score="seller.score"></star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}元</span>
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}元</span>
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}分钟</span>
            </div>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import star from '../../components/star/star';
  export default {
    name: 'v-seller',
    props: {
      seller: {
        type: Object
      }
    },
    components: {
      star
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"
  .seller
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      position: relative
      padding: 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .desc
        padding-bottom: 18px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 0
        .star
          display: inline-block
          margin-right: 8px
          vertical-align: top
        .text
          display: inline-block
          margin-right: 12px
          line-height: 18px
          vertical-align: top
          font-size: 10px
          color: rgb(77, 85, 93)
      .remark
        display: flex
        padding-top: 18px
        .block
          flex: 1
          text-align: center
          border-right: 1px solid rgba(7, 17, 27, 0.1)
          &:last-child
            border: none
          h2
            margin-bottom: 4px
            line-height: 10px
            font-size: 10px
            color: rgb(147, 153, 159)
          .content
            line-height: 24px
            font-size: 10px
            color: rgb(7, 17, 27)
            .stress
              font-size: 24px
</style>

seller组件开发（三）

编写seller.vue组件，公告与活动初次开发

<template>
  <div class="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-1px">
          <star :size="36" :score="seller.score"></star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>分钟
            </div>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-1px">
          <p class="content">{{seller.bulletin}}</p>
        </div>
        <ul v-if="seller.supports" class="supports">
          <li class="support-item border-1px" v-for="(item,index) in seller.supports">
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="text">{{seller.supports[index].description}}</span>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import star from '../../components/star/star';
  import split from '../../components/split/split';
  export default {
    name: 'v-seller',
    props: {
      seller: {
        type: Object
      }
    },
    components: {
      star,
      split
    },
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"
  .seller
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      position: relative
      padding: 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
        font-weight: 700
      .desc
        padding-bottom: 18px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 0
        .star
          display: inline-block
          margin-right: 8px
          vertical-align: top
        .text
          display: inline-block
          margin-right: 12px
          line-height: 18px
          vertical-align: top
          font-size: 10px
          color: rgb(77, 85, 93)
      .remark
        display: flex
        padding-top: 18px
        .block
          flex: 1
          text-align: center
          border-right: 1px solid rgba(7, 17, 27, 0.1)
          &:last-child
            border: none
          h2
            margin-bottom: 4px
            line-height: 10px
            font-size: 10px
            color: rgb(147, 153, 159)
          .content
            line-height: 24px
            font-size: 10px
            color: rgb(7, 17, 27)
            .stress
              font-size: 24px
    .bulletin
      padding: 18px 18px 0 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .content-wrapper
        padding: 0 12px 16px 12px
        border-1px(rgba(7, 17, 27, 0.1))
        .content
          line-height: 24px
          font-size: 12px
          color: rgb(240, 20, 20)
</style>

seller组件开发（四）

编写seller.vue组件，公告与活动二次开发，并且实现滚动功能

<template>
  <div class="seller" ref="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-1px">
          <star :size="36" :score="seller.score"></star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>分钟
            </div>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-1px">
          <p class="content">{{seller.bulletin}}</p>
        </div>
        <ul v-if="seller.supports" class="supports">
          <li class="support-item border-1px" v-for="(item,index) in seller.supports">
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="text">{{seller.supports[index].description}}</span>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import star from '../../components/star/star';
  import split from '../../components/split/split';
  export default {
    name: 'v-seller',
    props: {
      seller: {
        type: Object
      }
    },
    components: {
      star,
      split
    },
    watch: {
      'seller' () {
        this.$nextTick(() => {
          this._initScroll();
        });
      }
    },
    methods: {
      _initScroll() {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.seller, {
            click: true
          });
        } else {
          this.scroll.refresh();
        }
      }
    },
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"  
  .seller
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      position: relative
      padding: 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
        font-weight: 700
      .desc
        padding-bottom: 18px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 0
        .star
          display: inline-block
          margin-right: 8px
          vertical-align: top
        .text
          display: inline-block
          margin-right: 12px
          line-height: 18px
          vertical-align: top
          font-size: 10px
          color: rgb(77, 85, 93)
      .remark
        display: flex
        padding-top: 18px
        .block
          flex: 1
          text-align: center
          border-right: 1px solid rgba(7, 17, 27, 0.1)
          &:last-child
            border: none
          h2
            margin-bottom: 4px
            line-height: 10px
            font-size: 10px
            color: rgb(147, 153, 159)
          .content
            line-height: 24px
            font-size: 10px
            color: rgb(7, 17, 27)
            .stress
              font-size: 24px
    .bulletin
      padding: 18px 18px 0 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .content-wrapper
        padding: 0 12px 16px 12px
        border-1px(rgba(7, 17, 27, 0.1))
        .content
          line-height: 24px
          font-size: 12px
          color: rgb(240, 20, 20)
      .supports
        .support-item
          padding: 16px 12px
          border-1px(rgba(7, 17, 27, 0.1))
          font-size: 0
          &:last-child
            border-none()
        .icon
          display: inline-block
           16px
          height: 16px
          vertical-align: top
          margin-right: 6px
          background-size: 16px 16px
          background-repeat: no-repeat
          &.decrease
            bg-image('decrease_4')
          &.discount
            bg-image('discount_4')
          &.guarantee
            bg-image('guarantee_4')
          &.invoice
            bg-image('invoice_4')
          &.special
            bg-image('special_4')
        .text
          line-height: 16px
          font-size: 12px
          color: rgb(7, 17, 27)
</style>

seller组件开发——商家实景图（五）

编写seller.vue组件，实现商家实景图效果

<template>
  <div class="seller" ref="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-1px">
          <star :size="36" :score="seller.score"></star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>分钟
            </div>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-1px">
          <p class="content">{{seller.bulletin}}</p>
        </div>
        <ul v-if="seller.supports" class="supports">
          <li class="support-item border-1px" v-for="(item,index) in seller.supports">
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="text">{{seller.supports[index].description}}</span>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="pics">
        <h1 class="title">商家实景</h1>
        <div class="pic-wrapper" ref="picWrapper">
          <ul class="pic-list" ref="picList">
            <li class="pic-item" v-for="pic in seller.pics">
              <img :src="pic" width="120" height="90">
            </li>
          </ul>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import star from '../../components/star/star';
  import split from '../../components/split/split';
  export default {
    name: 'v-seller',
    props: {
      seller: {
        type: Object
      }
    },   
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
    },
    watch: {
      'seller' () {
        this.$nextTick(() => {
          this._initScroll();
          this._initPics();
        });
      }
    },
    mounted() {
      this.$nextTick(() => {
        this._initScroll();
        this._initPics();
      });
    },
    methods: {
      _initScroll() {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.seller, {
            click: true
          });
        } else {
          this.scroll.refresh();
        }
      },
      _initPics() {
        if (this.seller.pics) {
          let picWidth = 120;
          let margin = 6;
          let width = (picWidth + margin) * this.seller.pics.length - margin;
          this.$refs.picList.style.width = width + 'px';
          this.$nextTick(() => {
            if (!this.picScroll) {
              this.picScroll = new BScroll(this.$refs.picWrapper, {
                scrollX: true,
                eventPassthrough: 'vertical'
              });
            } else {
              this.picScroll.refresh();
            }
          });
        }
      }
    },
    components: {
      star,
      split
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"  
  .seller
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      position: relative
      padding: 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
        font-weight: 700
      .desc
        padding-bottom: 18px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 0
        .star
          display: inline-block
          margin-right: 8px
          vertical-align: top
        .text
          display: inline-block
          margin-right: 12px
          line-height: 18px
          vertical-align: top
          font-size: 10px
          color: rgb(77, 85, 93)
      .remark
        display: flex
        padding-top: 18px
        .block
          flex: 1
          text-align: center
          border-right: 1px solid rgba(7, 17, 27, 0.1)
          &:last-child
            border: none
          h2
            margin-bottom: 4px
            line-height: 10px
            font-size: 10px
            color: rgb(147, 153, 159)
          .content
            line-height: 24px
            font-size: 10px
            color: rgb(7, 17, 27)
            .stress
              font-size: 24px
    .bulletin
      padding: 18px 18px 0 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .content-wrapper
        padding: 0 12px 16px 12px
        border-1px(rgba(7, 17, 27, 0.1))
        .content
          line-height: 24px
          font-size: 12px
          color: rgb(240, 20, 20)
      .supports
        .support-item
          padding: 16px 12px
          border-1px(rgba(7, 17, 27, 0.1))
          font-size: 0
          &:last-child
            border-none()
        .icon
          display: inline-block
           16px
          height: 16px
          vertical-align: top
          margin-right: 6px
          background-size: 16px 16px
          background-repeat: no-repeat
          &.decrease
            bg-image('decrease_4')
          &.discount
            bg-image('discount_4')
          &.guarantee
            bg-image('guarantee_4')
          &.invoice
            bg-image('invoice_4')
          &.special
            bg-image('special_4')
        .text
          line-height: 16px
          font-size: 12px
          color: rgb(7, 17, 27)
    .pics
      padding: 18px
      .title
        margin-bottom: 12px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .pic-wrapper
         100%
        overflow: hidden
        white-space: nowrap
        .pic-list
          font-size: 0
          .pic-item
            display: inline-block
            margin-right: 6px
             120px
            height: 90px
            &:last-child
              margin: 0
</style>

seller组件开发——商家信息（六）

编写seller.vue组件，实现商家信息部分

<template>
  <div class="seller" ref="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-1px">
          <star :size="36" :score="seller.score"></star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>分钟
            </div>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-1px">
          <p class="content">{{seller.bulletin}}</p>
        </div>
        <ul v-if="seller.supports" class="supports">
          <li class="support-item border-1px" v-for="(item,index) in seller.supports">
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="text">{{seller.supports[index].description}}</span>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="pics">
        <h1 class="title">商家实景</h1>
        <div class="pic-wrapper" ref="picWrapper">
          <ul class="pic-list" ref="picList">
            <li class="pic-item" v-for="pic in seller.pics">
              <img :src="pic" width="120" height="90">
            </li>
          </ul>
        </div>
      </div>
      <split></split>
      <div class="info">
        <h1 class="title border-1px">商家信息</h1>
        <ul>
          <li class="info-item" v-for="info in seller.infos">{{info}}</li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import star from '../../components/star/star';
  import split from '../../components/split/split';
  export default {
    name: 'v-seller',
    props: {
      seller: {
        type: Object
      }
    },   
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
    },
    watch: {
      'seller' () {
        this.$nextTick(() => {
          this._initScroll();
          this._initPics();
        });
      }
    },
    mounted() {
      this.$nextTick(() => {
        this._initScroll();
        this._initPics();
      });
    },
    methods: {
      _initScroll() {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.seller, {
            click: true
          });
        } else {
          this.scroll.refresh();
        }
      },
      _initPics() {
        if (this.seller.pics) {
          let picWidth = 120;
          let margin = 6;
          let width = (picWidth + margin) * this.seller.pics.length - margin;
          this.$refs.picList.style.width = width + 'px';
          this.$nextTick(() => {
            if (!this.picScroll) {
              this.picScroll = new BScroll(this.$refs.picWrapper, {
                scrollX: true,
                eventPassthrough: 'vertical'
              });
            } else {
              this.picScroll.refresh();
            }
          });
        }
      }
    },
    components: {
      star,
      split
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"  
  .seller
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      position: relative
      padding: 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
        font-weight: 700
      .desc
        padding-bottom: 18px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 0
        .star
          display: inline-block
          margin-right: 8px
          vertical-align: top
        .text
          display: inline-block
          margin-right: 12px
          line-height: 18px
          vertical-align: top
          font-size: 10px
          color: rgb(77, 85, 93)
      .remark
        display: flex
        padding-top: 18px
        .block
          flex: 1
          text-align: center
          border-right: 1px solid rgba(7, 17, 27, 0.1)
          &:last-child
            border: none
          h2
            margin-bottom: 4px
            line-height: 10px
            font-size: 10px
            color: rgb(147, 153, 159)
          .content
            line-height: 24px
            font-size: 10px
            color: rgb(7, 17, 27)
            .stress
              font-size: 24px
    .bulletin
      padding: 18px 18px 0 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .content-wrapper
        padding: 0 12px 16px 12px
        border-1px(rgba(7, 17, 27, 0.1))
        .content
          line-height: 24px
          font-size: 12px
          color: rgb(240, 20, 20)
      .supports
        .support-item
          padding: 16px 12px
          border-1px(rgba(7, 17, 27, 0.1))
          font-size: 0
          &:last-child
            border-none()
        .icon
          display: inline-block
           16px
          height: 16px
          vertical-align: top
          margin-right: 6px
          background-size: 16px 16px
          background-repeat: no-repeat
          &.decrease
            bg-image('decrease_4')
          &.discount
            bg-image('discount_4')
          &.guarantee
            bg-image('guarantee_4')
          &.invoice
            bg-image('invoice_4')
          &.special
            bg-image('special_4')
        .text
          line-height: 16px
          font-size: 12px
          color: rgb(7, 17, 27)
    .pics
      padding: 18px
      .title
        margin-bottom: 12px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .pic-wrapper
         100%
        overflow: hidden
        white-space: nowrap
        .pic-list
          font-size: 0
          .pic-item
            display: inline-block
            margin-right: 6px
             120px
            height: 90px
            &:last-child
              margin: 0
    .info
      padding: 18px 18px 0 18px
      color: rgb(7, 17, 27)
      .title
        padding-bottom: 12px
        line-height: 14px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 14px
      .info-item
        padding: 16px 12px
        line-height: 16px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 12px
        &:last-child
          border-none()
</style>

seller组件开发——收藏商家（一）

编写seller.vue组件，实现商家收藏基本效果

<template>
  <div class="seller" ref="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-1px">
          <star :size="36" :score="seller.score"></star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>分钟
            </div>
          </li>
        </ul>
        <div class="favorite" @click="toggleFavorite">
          <span class="icon-favorite" :class="{'active':favorite}"></span>
          <span class="text">{{favoriteText}}</span>
        </div>
      </div>
      <split></split>
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-1px">
          <p class="content">{{seller.bulletin}}</p>
        </div>
        <ul v-if="seller.supports" class="supports">
          <li class="support-item border-1px" v-for="(item,index) in seller.supports">
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="text">{{seller.supports[index].description}}</span>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="pics">
        <h1 class="title">商家实景</h1>
        <div class="pic-wrapper" ref="picWrapper">
          <ul class="pic-list" ref="picList">
            <li class="pic-item" v-for="pic in seller.pics">
              <img :src="pic" width="120" height="90">
            </li>
          </ul>
        </div>
      </div>
      <split></split>
      <div class="info">
        <h1 class="title border-1px">商家信息</h1>
        <ul>
          <li class="info-item" v-for="info in seller.infos">{{info}}</li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import star from '../../components/star/star';
  import split from '../../components/split/split';
  export default {
    name: 'v-seller',
    props: {
      seller: {
        type: Object
      }
    },
    data() {
      return {
        favorite: false
      };
    },
    computed: {
      favoriteText() {
        return this.favorite ? '已收藏' : '收藏';
      }
    },
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
    },
    watch: {
      'seller' () {
        this.$nextTick(() => {
          this._initScroll();
          this._initPics();
        });
      }
    },
    mounted() {
      this.$nextTick(() => {
        this._initScroll();
        this._initPics();
      });
    },
    methods: {
        toggleFavorite(event) {
        if (!event._constructed) {
          return;
        }
        this.favorite = !this.favorite;
      },
      _initScroll() {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.seller, {
            click: true
          });
        } else {
          this.scroll.refresh();
        }
      },
      _initPics() {
        if (this.seller.pics) {
          let picWidth = 120;
          let margin = 6;
          let width = (picWidth + margin) * this.seller.pics.length - margin;
          this.$refs.picList.style.width = width + 'px';
          this.$nextTick(() => {
            if (!this.picScroll) {
              this.picScroll = new BScroll(this.$refs.picWrapper, {
                scrollX: true,
                eventPassthrough: 'vertical'
              });
            } else {
              this.picScroll.refresh();
            }
          });
        }
      }
    },
    components: {
      star,
      split
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"  
  .seller
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      position: relative
      padding: 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
        font-weight: 700
      .desc
        padding-bottom: 18px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 0
        .star
          display: inline-block
          margin-right: 8px
          vertical-align: top
        .text
          display: inline-block
          margin-right: 12px
          line-height: 18px
          vertical-align: top
          font-size: 10px
          color: rgb(77, 85, 93)
      .remark
        display: flex
        padding-top: 18px
        .block
          flex: 1
          text-align: center
          border-right: 1px solid rgba(7, 17, 27, 0.1)
          &:last-child
            border: none
          h2
            margin-bottom: 4px
            line-height: 10px
            font-size: 10px
            color: rgb(147, 153, 159)
          .content
            line-height: 24px
            font-size: 10px
            color: rgb(7, 17, 27)
            .stress
              font-size: 24px
      .favorite
        position: absolute
         50px
        right: 11px
        top: 18px
        text-align: center
        .icon-favorite
          display: block
          margin-bottom: 4px
          line-height: 24px
          font-size: 24px
          color: #d4d6d9
          &.active
            color: rgb(240, 20, 20)
        .text
          line-height: 10px
          font-size: 10px
          color: rgb(77, 85, 93)
    .bulletin
      padding: 18px 18px 0 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .content-wrapper
        padding: 0 12px 16px 12px
        border-1px(rgba(7, 17, 27, 0.1))
        .content
          line-height: 24px
          font-size: 12px
          color: rgb(240, 20, 20)
      .supports
        .support-item
          padding: 16px 12px
          border-1px(rgba(7, 17, 27, 0.1))
          font-size: 0
          &:last-child
            border-none()
        .icon
          display: inline-block
           16px
          height: 16px
          vertical-align: top
          margin-right: 6px
          background-size: 16px 16px
          background-repeat: no-repeat
          &.decrease
            bg-image('decrease_4')
          &.discount
            bg-image('discount_4')
          &.guarantee
            bg-image('guarantee_4')
          &.invoice
            bg-image('invoice_4')
          &.special
            bg-image('special_4')
        .text
          line-height: 16px
          font-size: 12px
          color: rgb(7, 17, 27)
    .pics
      padding: 18px
      .title
        margin-bottom: 12px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .pic-wrapper
         100%
        overflow: hidden
        white-space: nowrap
        .pic-list
          font-size: 0
          .pic-item
            display: inline-block
            margin-right: 6px
             120px
            height: 90px
            &:last-child
              margin: 0
    .info
      padding: 18px 18px 0 18px
      color: rgb(7, 17, 27)
      .title
        padding-bottom: 12px
        line-height: 14px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 14px
      .info-item
        padding: 16px 12px
        line-height: 16px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 12px
        &:last-child
          border-none()
</style>

seller组件开发——收藏商家（二）

步骤一：编写App.vue根组件，为传递商家ID值做前期准备

<template>
  <div>
    <v-header :seller="seller"></v-header>
    <div class="tab border-1px">
      <div class="tab-item">
          <router-link to="/goods">商品</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/ratings">评价</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/seller">商家</router-link>
      </div>
    </div>
    <router-view :seller="seller"></router-view>
  </div>
</template>

<script>
  import header from './components/header/header.vue';
  import {urlParse} from './common/js/util';
  const ERR_OK = 0;
  export default {
    name: 'app',
    data() {
      return {
        seller: {
          id: (() => {
            let queryParam = urlParse();
            return queryParam.id;
          })()
        }
      };
    },
    created() {
        this.$http.get('api/seller?id=' + this.seller.id).then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.seller = Object.assign({}, this.seller, response.data);
          }
          this.seller = response.data;
        })
    },
    components: {
      'v-header': header
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "./common/stylus/mixin.styl";
  .tab
    display: flex
     100%
    height: 40px
    line-height: 40px
    /*border-bottom: 1px solid rgba(7, 17, 27, 0.1)*/
    border-1px(rgba(7, 17, 27, 0.1))
    .tab-item
      flex: 1
      text-align: center
      & > a
       display:block
       font-size:16px
       color:rgb(77,85,93)
       &.active
        color:rgb(240,20,20)
</style>

步骤二：新建util.js文件，实现查询的效果

/**
 * 解析url参数
 * @example ?id=12345&a=b
 * @return Object {id:12345,a:b}
 */
export function urlParse() {
  let url = window.location.search;
  let obj = {};
  let reg = /[?&][^?&]+=[^?&]+/g;
  let arr = url.match(reg);
  // ['?id=12345', '&a=b']
  if (arr) {
    arr.forEach((item) => {
      let tempArr = item.substring(1).split('=');
      let key = decodeURIComponent(tempArr[0]);
      let val = decodeURIComponent(tempArr[1]);
      obj[key] = val;
    });
  }
  return obj;
};

seller组件开发——收藏商家（三）

步骤一：新建store.js文件，实现存储状态的功能

export function saveToLocal(id, key, value) {
  let seller = window.localStorage.__seller__;
  if (!seller) {
    seller = {};
    seller[id] = {};
  } else {
    seller = JSON.parse(seller);
    if (!seller[id]) {
      seller[id] = {};
    }
  }
  seller[id][key] = value;
  window.localStorage.__seller__ = JSON.stringify(seller);
};

export function loadFromLocal(id, key, def) {
  let seller = window.localStorage.__seller__;
  if (!seller) {
    return def;
  }
  seller = JSON.parse(seller)[id];
  if (!seller) {
    return def;
  }
  let ret = seller[key];
  return ret || def;
};

步骤二：编写seller.vue组件，将数据传入store.js中

<template>
  <div class="seller" ref="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-1px">
          <star :size="36" :score="seller.score"></star>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>分钟
            </div>
          </li>
        </ul>
        <div class="favorite" @click="toggleFavorite">
          <span class="icon-favorite" :class="{'active':favorite}"></span>
          <span class="text">{{favoriteText}}</span>
        </div>
      </div>
      <split></split>
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-1px">
          <p class="content">{{seller.bulletin}}</p>
        </div>
        <ul v-if="seller.supports" class="supports">
          <li class="support-item border-1px" v-for="(item,index) in seller.supports">
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="text">{{seller.supports[index].description}}</span>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="pics">
        <h1 class="title">商家实景</h1>
        <div class="pic-wrapper" ref="picWrapper">
          <ul class="pic-list" ref="picList">
            <li class="pic-item" v-for="pic in seller.pics">
              <img :src="pic" width="120" height="90">
            </li>
          </ul>
        </div>
      </div>
      <split></split>
      <div class="info">
        <h1 class="title border-1px">商家信息</h1>
        <ul>
          <li class="info-item" v-for="info in seller.infos">{{info}}</li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll';
  import star from '../../components/star/star';
  import split from '../../components/split/split';
  import {saveToLocal, loadFromLocal} from '../../common/js/store';
  export default {
    name: 'v-seller',
    props: {
      seller: {
        type: Object
      }
    },
    data() {
      return {
        favorite: (() => {
          return loadFromLocal(this.seller.id, 'favorite', false);
        })()
      };
    },
    computed: {
      favoriteText() {
        return this.favorite ? '已收藏' : '收藏';
      }
    },
    created() {
      this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
    },
    watch: {
      'seller' () {
        this.$nextTick(() => {
          this._initScroll();
          this._initPics();
        });
      }
    },
    mounted() {
      this.$nextTick(() => {
        this._initScroll();
        this._initPics();
      });
    },
    methods: {
        toggleFavorite(event) {
        if (!event._constructed) {
          return;
        }
        this.favorite = !this.favorite;
        saveToLocal(this.seller.id, 'favorite', this.favorite);
      },
      _initScroll() {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.seller, {
            click: true
          });
        } else {
          this.scroll.refresh();
        }
      },
      _initPics() {
        if (this.seller.pics) {
          let picWidth = 120;
          let margin = 6;
          let width = (picWidth + margin) * this.seller.pics.length - margin;
          this.$refs.picList.style.width = width + 'px';
          this.$nextTick(() => {
            if (!this.picScroll) {
              this.picScroll = new BScroll(this.$refs.picWrapper, {
                scrollX: true,
                eventPassthrough: 'vertical'
              });
            } else {
              this.picScroll.refresh();
            }
          });
        }
      }
    },
    components: {
      star,
      split
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"  
  .seller
    position: absolute
    top: 174px
    bottom: 0
    left: 0
     100%
    overflow: hidden
    .overview
      position: relative
      padding: 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
        font-weight: 700
      .desc
        padding-bottom: 18px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 0
        .star
          display: inline-block
          margin-right: 8px
          vertical-align: top
        .text
          display: inline-block
          margin-right: 12px
          line-height: 18px
          vertical-align: top
          font-size: 10px
          color: rgb(77, 85, 93)
      .remark
        display: flex
        padding-top: 18px
        .block
          flex: 1
          text-align: center
          border-right: 1px solid rgba(7, 17, 27, 0.1)
          &:last-child
            border: none
          h2
            margin-bottom: 4px
            line-height: 10px
            font-size: 10px
            color: rgb(147, 153, 159)
          .content
            line-height: 24px
            font-size: 10px
            color: rgb(7, 17, 27)
            .stress
              font-size: 24px
      .favorite
        position: absolute
         50px
        right: 11px
        top: 18px
        text-align: center
        .icon-favorite
          display: block
          margin-bottom: 4px
          line-height: 24px
          font-size: 24px
          color: #d4d6d9
          &.active
            color: rgb(240, 20, 20)
        .text
          line-height: 10px
          font-size: 10px
          color: rgb(77, 85, 93)
    .bulletin
      padding: 18px 18px 0 18px
      .title
        margin-bottom: 8px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .content-wrapper
        padding: 0 12px 16px 12px
        border-1px(rgba(7, 17, 27, 0.1))
        .content
          line-height: 24px
          font-size: 12px
          color: rgb(240, 20, 20)
      .supports
        .support-item
          padding: 16px 12px
          border-1px(rgba(7, 17, 27, 0.1))
          font-size: 0
          &:last-child
            border-none()
        .icon
          display: inline-block
           16px
          height: 16px
          vertical-align: top
          margin-right: 6px
          background-size: 16px 16px
          background-repeat: no-repeat
          &.decrease
            bg-image('decrease_4')
          &.discount
            bg-image('discount_4')
          &.guarantee
            bg-image('guarantee_4')
          &.invoice
            bg-image('invoice_4')
          &.special
            bg-image('special_4')
        .text
          line-height: 16px
          font-size: 12px
          color: rgb(7, 17, 27)
    .pics
      padding: 18px
      .title
        margin-bottom: 12px
        line-height: 14px
        color: rgb(7, 17, 27)
        font-size: 14px
      .pic-wrapper
         100%
        overflow: hidden
        white-space: nowrap
        .pic-list
          font-size: 0
          .pic-item
            display: inline-block
            margin-right: 6px
             120px
            height: 90px
            &:last-child
              margin: 0
    .info
      padding: 18px 18px 0 18px
      color: rgb(7, 17, 27)
      .title
        padding-bottom: 12px
        line-height: 14px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 14px
      .info-item
        padding: 16px 12px
        line-height: 16px
        border-1px(rgba(7, 17, 27, 0.1))
        font-size: 12px
        &:last-child
          border-none()
</style>

体验优化

编写App.vue组件实现状态的保留，原理是将当前的状态保存在内存中，使用的keep-alive标签。

<template>
  <div>
    <v-header :seller="seller"></v-header>
    <div class="tab border-1px">
      <div class="tab-item">
          <router-link to="/goods">商品</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/ratings">评价</router-link>
      </div>
      <div class="tab-item">
          <router-link to="/seller">商家</router-link>
      </div>
    </div>
    <keep-alive>
      <router-view :seller="seller"></router-view>
    </keep-alive>
  </div>
</template>

<script>
  import header from './components/header/header.vue';
  import {urlParse} from './common/js/util';
  const ERR_OK = 0;
  export default {
    name: 'app',
    data() {
      return {
        seller: {
          id: (() => {
            let queryParam = urlParse();
            return queryParam.id;
          })()
        }
      };
    },
    created() {
        this.$http.get('api/seller?id=' + this.seller.id).then((response) => {
          response = response.body;
          if(response.error === ERR_OK){
              this.seller = Object.assign({}, this.seller, response.data);
          }
          this.seller = response.data;
        })
    },
    components: {
      'v-header': header
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "./common/stylus/mixin.styl";
  .tab
    display: flex
     100%
    height: 40px
    line-height: 40px
    /*border-bottom: 1px solid rgba(7, 17, 27, 0.1)*/
    border-1px(rgba(7, 17, 27, 0.1))
    .tab-item
      flex: 1
      text-align: center
      & > a
       display:block
       font-size:16px
       color:rgb(77,85,93)
       &.active
        color:rgb(240,20,20)
</style>