
一、在webpack-dev-conf.js文件中:
1、在const portfinder = require(‘portfinder')后添加如下内容
const express = require('express')
const app = express() //请求server
var appData = require('../mock/goods.json') //加载本地数据文件
var apiRoutes = express.Router()
app.use(apiRoutes) //通过路由请求数据2、找到devServer,在里面加上before()方法
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('/goods', (req, res) => {
 res.json(appData)
 })
 }
},
二、在goods.json文件:
{
 "status": "0",
 "msg": "",
 "result": [
 {
 "productId": "100001",
 "productName": "小米6",
 "productPrice": "2499",
 "productImg": "1.jpg"
 },{
 "productId": "100002",
 "productName": "音箱",
 "productPrice": "999",
 "productImg": "2.jpg"
 },{
 "productId": "100003",
 "productName": "电脑",
 "productPrice": "199",
 "productImg": "3.jpg"
 }
 ]
}
三、在GoodsList.vue文件中:

