前言
 
今天在写一个vue项目时,发现build中并没有dev-server.js文件,那如何进行后台数据模拟呢?
 
 
解决方法
 
最新的vue里dev-server.js被替换成了webpack-dev-conf.js
 
在模拟后台数据的时候直接在webpack-dev-conf.js文件中修改
 
 
第一步:在const portfinder = require(‘portfinder’)后面添加
 
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
)
 
第二步:找到devServer,在里面加上before()方法
 
devServer
: {
    clientLogLevel
: 'warning',
    historyApiFallback
: true,
    hot
: true,
    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, 
    watchOptions
: {
      poll
: config
.dev
.poll
,
    },
    
before(app
) {
  app
.get('/api/seller', (req
, res
) => {
    res
.json({
      errno
: 0,
      data
: seller
    
})
  }),
  app
.get('/api/goods', (req
, res
) => {
    res
.json({
      errno
: 0,
      data
: goods
    
})
  }),
  app
.get('/api/ratings', (req
, res
) => {
    res
.json({
      errno
: 0,
      data
: ratings
    
})
  })
}
 
注意:要确保项目根目录有data.json,这里提供一个json数据
 
{ "seller": { "name": "粥品香坊(回龙观)",
    "description": "蜂鸟专送",
    "deliveryTime": 38,
    "score": 4.2,
    "serviceScore": 4.1,
    "foodScore": 4.3,
    "rankRate": 69.2,
    "minPrice": 20,
    "deliveryPrice": 4,
    "ratingCount": 24,
    "sellCount": 90,
    "bulletin": "粥品香坊其烹饪粥料的秘方源于中国千年古法,在融和现代制作工艺,由世界烹饪大师屈浩先生领衔研发。坚守纯天然、0添加的良心品质深得消费者青睐,发展至今成为粥类的引领品牌。是2008年奥运会和2013年园博会指定餐饮服务商。",
    "supports": [ { "type": 0,
        "description": "在线支付满28减5"
      },
      { "type": 1,
        "description": "VC无限橙果汁全场8折"
      },
      { "type": 2,
        "description": "单人精彩套餐"
      },
      { "type": 3,
        "description": "该商家支持发票,请下单写好发票抬头"
      },
      { "type": 4,
        "description": "已加入“外卖保”计划,食品安全保障"
      } ],
    "avatar": "http://static.galileo.xiaojukeji.com/static/tms/seller_avatar_256px.jpg",
    "pics": [ "http://fuss10.elemecdn.com/8/71/c5cf5715740998d5040dda6e66abfjpeg.jpeg?imageView2/1/w/180/h/180",
      "http://fuss10.elemecdn.com/b/6c/75bd250e5ba69868f3b1178afbda3jpeg.jpeg?imageView2/1/w/180/h/180",
      "http://fuss10.elemecdn.com/f/96/3d608c5811bc2d902fc9ab9a5baa7jpeg.jpeg?imageView2/1/w/180/h/180",
      "http://fuss10.elemecdn.com/6/ad/779f8620ff49f701cd4c58f6448b6jpeg.jpeg?imageView2/1/w/180/h/180"
    ],
    "infos": [ "该商家支持发票,请下单写好发票抬头",
      "品类:其他菜系,包子粥店",
      "北京市昌平区回龙观西大街龙观置业大厦底商B座102单元1340",
      "营业时间:10:00-20:30"
    ] }}