vue2.5.2使用http请求获取静态json数据的实例代码

1.配置 build/webpack.dev.conf.js

// 获取静态json数据
const express = require('express')
const app = express()
const apiserver = express()
const bodyparser = require('body-parser')
apiserver.use(bodyparser.urlencoded({ extended: true }))
apiserver.use(bodyparser.json())
const apirouter = express.router()
const fs = require('fs')
apirouter.route('/:apiname')
 .all(function (req, res) {
  fs.readfile('./db.json', 'utf8', function (err, data) {
   if (err) throw err
   var data = json.parse(data)
   if (data[req.params.apiname]) {
    res.json(data[req.params.apiname])
   }
   else {
    res.send('no such api name')
   }
  })
 })
apiserver.use('/api', apirouter);
apiserver.listen(8081, function (err) {
 if (err) {
  console.log(err)
  return
 }
 console.log('listening at http://localhost:' + (8081) + '\n')
})

2.新建 db.json

{
 "getnewslist": [
  {
   "id": 1,
   "title": "新闻条目1新闻条目1新闻条目1新闻条目1",
   "url": "http://starcraft.com"
  },
  {
   "id": 2,
   "title": "新闻条目2新闻条目2新闻条目2新闻条目2",
   "url": "http://warcraft.com"
  },
  {
   "id": 3,
   "title": "新闻条3新闻条3新闻条3",
   "url": "http://overwatch.com"
  },
  {
   "id": 4,
   "title": "新闻条4广告发布",
   "url": "http://hearstone.com"
  }
 ],
 "login": {
  "username": "yudongdong",
  "userid": 123123
 },
 "getprice": {
  "amount": 678
 },
 "createorder": {
  "orderid": "6djk979"
 },
 "getorderlist": {
  "list": [
   {
    "orderid": "ddj123",
    "product": "数据统计",
    "version": "高级版",
    "period": "1年",
    "buynum": 2,
    "date": "2016-10-10",
    "amount": "500元"
   },
   {
    "orderid": "yuj583",
    "product": "流量分析",
    "version": "户外版",
    "period": "3个月",
    "buynum": 1,
    "date": "2016-5-2",
    "amount": "2200元"
   },
   {
    "orderid": "pmd201",
    "product": "广告发布",
    "version": "商铺版",
    "period": "3年",
    "buynum": 12,
    "date": "2016-8-3",
    "amount": "7890元"
   }
  ]
 }
}

3.通过 localhost:8081/api/getnewslist 访问

4.在页面中获取的方式

export default {
  data() {
   newslist: []
  },
  created: function(){
   this.$http.get('api/getnewslist').then((res)=> {
    this.newslist = res.data
   },(err)=> {
    console.log(err);
   })
  }
 }

总结

以上所述是小编给大家介绍的vue2.5.2使用http请求获取静态json数据的实例代码，希望对大家有所帮助