Vue-cli搭建项目模拟后台接口数据（webpack-dev-conf.js文件配置）【本地代理】

起因：为了便于前端进行测试，有时需要进行本地代理；

本地代理与反向代理是冲突的，若要同时使用本地代理和反向代理，需要进行以下配置：

在build文件夹下的webpack-dev-conf.js文件中配置

1）在const  portfinder  =  require('portfinder')后面添加下面代码：

//声明变量接收express组件
const express = require('express');
//请求server,赋值espress函数
var app = express();
//加载本地数据
var  homeData = require('../src/data/homeData.json');
var movieData = require('../src/data/movieData.json');
//配置路由文件
var apiRoutes = express.Router();
//通过路由请求数据
app.use('/api',apiRoutes);

2）在webpack配置文件的devServer选项里添加before()方法

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,
    },
    before(app){
      app.get('/api/homeData',function(req,res){
        res.json({
          errno:0,
          data:homeData
        })
      }),
      app.get('/api/movieData',function(req,res){
        res.json({
          errno:0,
          data:movieData
        })
      })
    }
  }

3）在vue文件中调用

getMovieData:function(){
    this.axios.get('/api/movieData',{}).then((data)=>{
        console.log(data);
        this.title = data;
    })
}

//=================

 getHomeData:function(){
      this.axios.get('/api/homeData',{}).then((data)=>{
           console.log(data);
     })
}