003.小程序-按钮、图标、单元格、上拉菜单、评分

index.wxml

<view class="container">
  <!-- 按钮 图标 -->
  <van-button bindtap="onclick"  icon="phone-circle" type="info" size="large">007按钮</van-button>
  <view class="user"> <van-icon name="manager" />某某</view>

  <!-- 单元格 -->
  <van-cell title="定位" icon="location-o" />
  <van-cell title="公告" icon="volume-o" />
  <van-cell title="单元格" is-link />
  <van-cell title="单元格" is-link value="内容"  url = "/pages/logs/logs"/>
  <van-cell title="单元格" is-link value="内容" arrow-direction="down" />

  <van-button bindtap="onTap"  icon="phone-circle" type="info" size="large">{{value}}</van-button>

  <!-- 评分 -->
  <van-rate value="{{ myValue }}"  bind:change="onChange" />
  <text>{{myValue*2}}</text>
</view>
  <!-- 上拉菜单 -->
  <van-action-sheet
  show="{{ show }}"
  actions="{{ arr }}"
  bind:close="onClose"
  bind:select="onSelect"
/>

index.js

// index.js
// 获取应用实例
const app = getApp()

Page({
  data: {
    show:false,
    arr:[
      {name:"张三"},
      {name:"李四"}
    ],
    value:"联系人",
    myValue:"",
  },
  onTap(){
    this.setData( {
      show:true
      } )
  },
  onClose(){
    this.setData( {
      show:false
      } )
  },
  onSelect(res){
    console.log(res.detail.name)
    this.setData( {
      value:res.detail.name
      } )
  },
  onclick(){
    wx.showToast({
      title: '成功',
    })
  },

  onChange(res){
    console.log(res.detail)
    this.setData({
      myValue:res.detail
    })
  },
  // 事件处理函数
  bindViewTap() {
    wx.navigateTo({
      url: '../logs/logs'
    })
  },
  onLoad() {
    if (app.globalData.userInfo) {
      this.setData({
        userInfo: app.globalData.userInfo,
        hasUserInfo: true
      })
    } else if (this.data.canIUse) {
      // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
      // 所以此处加入 callback 以防止这种情况
      app.userInfoReadyCallback = res => {
        this.setData({
          userInfo: res.userInfo,
          hasUserInfo: true
        })
      }
    } else {
      // 在没有 open-type=getUserInfo 版本的兼容处理
      wx.getUserInfo({
        success: res => {
          app.globalData.userInfo = res.userInfo
          this.setData({
            userInfo: res.userInfo,
            hasUserInfo: true
          })
        }
      })
    }
  },
  getUserInfo(e) {
    console.log(e)
    app.globalData.userInfo = e.detail.userInfo
    this.setData({
      userInfo: e.detail.userInfo,
      hasUserInfo: true
    })
  }
})

index.wxss

/**index.wxss**/
.container{
  padding: 30rpx;
}
.user{
  font-size: 40rpx;
  color: blueviolet;
  display: flex;
  align-items: center;
}
.user .van-icon{
  margin-right: 10rpx;
}

app.js

// app.js
App({
  onLaunch() {
    // 展示本地存储能力
    const logs = wx.getStorageSync('logs') || []
    logs.unshift(Date.now())
    wx.setStorageSync('logs', logs)

    // 登录
    wx.login({
      success: res => {
        // 发送 res.code 到后台换取 openId, sessionKey, unionId
      }
    })
    // 获取用户信息
    wx.getSetting({
      success: res => {
        if (res.authSetting['scope.userInfo']) {
          // 已经授权，可以直接调用 getUserInfo 获取头像昵称，不会弹框
          wx.getUserInfo({
            success: res => {
              // 可以将 res 发送给后台解码出 unionId
              this.globalData.userInfo = res.userInfo

              // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
              // 所以此处加入 callback 以防止这种情况
              if (this.userInfoReadyCallback) {
                this.userInfoReadyCallback(res)
              }
            }
          })
        }
      }
    })
  },
  globalData: {
    userInfo: null
  }
})

app.json

{
  "pages":[
    "pages/index/index",
    "pages/logs/logs"
  ],
  "window":{
    "backgroundTextStyle":"light",
    "navigationBarBackgroundColor": "#fff",
    "navigationBarTitleText": "Weixin",
    "navigationBarTextStyle":"black"
  },
 
  "sitemapLocation": "sitemap.json",
  "usingComponents": {
    "van-button": "@vant/weapp/button/index",
    "van-icon": "@vant/weapp/icon/index",
    "van-cell": "@vant/weapp/cell/index",
    "van-cell-group": "@vant/weapp/cell-group/index",
    "van-dropdown-menu": "@vant/weapp/dropdown-menu/index",
  "van-dropdown-item": "@vant/weapp/dropdown-item/index",
  "van-action-sheet": "@vant/weapp/action-sheet/index",
  "van-rate": "@vant/weapp/rate/index"
  }
}