vue-cli搭建项目模拟后台接口数据，webpack-dev-conf.js文件配置

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)

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
        })
      })
    }