Detailed explanation of using mockjs in vue-cli project

This article mainly introduces the use of mockjs (request data to delete data) in the vue-cli project. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.

In our actual production, the back-end interface often comes out later, so many of our front-end developments have to wait until the interface is given to us, which makes our front-end very passive. , so is it possible to create fake data to simulate the back-end interface? The answer is yes. So today we will introduce a very powerful plug-in, Mock.js, which can very conveniently simulate back-end data, and can also easily implement operations such as adding, deleting, modifying, and checking. After the background data is completed, all you have to do is remove mockjs: Stop Intercepting real ajax, nothing more.

Build a vue project

# 全局安装 vue-cli
$ npm install --global vue-cli
# 创建一个基于 webpack 模板的新项目
vue init webpack vue-mock
$ cd my-project
# 安装依赖
$ npm install

Install mockjs

npm install mockjs --save-dev

Open the project

npm run dev

Create a mockjs folder and mockjs, and introduce this file in main.js

You can see it at this time To a project structure like this

## To write simulated data, we can refer to the mockjs documentation at this time.

// 使用 Mock
var Mock = require('mockjs')
var data = Mock.mock({
  // 属性 list 的值是一个数组，其中含有 1 到 10 个元素
  'list|1-10': [{
    // 属性 id 是一个自增数，起始值为 1，每次增 1
    'id|+1': 1
  }]
})
// 输出结果
console.log(JSON.stringify(data, null, 4))

Now we can do what we want to do

Simulate some simple data in mock.js

 const Mock = require('mockjs');
// 获取 mock.Random 对象
 const Random = Mock.Random;
 // mock一组数据
 const produceData = function (opt) {
  console.log('opt', opt);
  let articles = [];
  for (let i = 0; i < 30; i++) {
   let newArticleObject = {
    title: Random.csentence(5, 30), // Random.csentence( min, max )
    thumbnail_pic_s: Random.dataImage(&#39;300x250&#39;, &#39;mock的图片&#39;), // Random.dataImage( size, text ) 生成一段随机的 Base64 图片编码
    author_name: Random.cname(), // Random.cname() 随机生成一个常见的中文姓名
    date: Random.date() + &#39; &#39; + Random.time() // Random.date()指示生成的日期字符串的格式,默认为yyyy-MM-dd；Random.time() 返回一个随机的时间字符串
   }
   articles.push(newArticleObject)
  }
  return {
   data: articles
  }
 }
Mock.mock(&#39;/news&#39;, /post|get/i, produceData);//当post或get请求到/news路由时Mock会拦截请求并返回上面的数据

Request in vue

methods: {
   setNewsApi: function() {
    this.$http.post("/news", "type=top&key=123456").then(res => {
     console.log(res.data);
 
     this.newsListShow = res.data.data;
    });
   }
  }

Effect preview

Do another deletion process

Simulated data

###

let arr = []
 for (let i = 0; i < 30; i++) {
  let newArticleObject = {
   name: Random.cname(), // Random.cname() 随机生成一个常见的中文姓名
   content: Random.csentence(5, 30), // Random.csentence( min, max )
   id: i
  }
  arr.push(newArticleObject);
 }
 let list = function (options) {
  let rtype = options.type.toLowerCase(); //获取请求类型
  switch (rtype) {
   case &#39;get&#39;:
    break;
   case &#39;post&#39;:
    let id = parseInt(JSON.parse(options.body).params.id) //获取删除的id
    arr = arr.filter(function(val){
     return val.id!=id;//把这个id对应的对象从数组里删除
    });
    break;
   default:
  }
  return {
   data: arr
  } //返回这个数组,也就是返回处理后的假数据
 }
 Mock.mock(&#39;/list&#39;, /get|post/i, list);//get用于请求数据，post用于删除数据

###Use in vue############

methods: {
   setNewsApi: function() {
    this.$http.get("/list", "").then(res => {
     this.data = res.data.data;
    });
   },
   deleteList(data) { //删除数据
    let id = data.id;
    this.$http.post('/list', {
      params: {
       id: id
      }
     }).then(function(res) {
      console.log(res);
      this.data = res.data.data;
      alert(data.name + '删除成功');
     }.bind(this))
     .catch(function(error) {
      console.log(error)
     });
   },
  }

###Effect preview###### #########Related recommendations: ############Use mockjs to simulate back-end data in vue, vuecli, and webpack## ##########Sharing of simple mock json script implemented in PHP, phpmockjson script_PHP tutorial############Use mock.js to make front-end development and back-end independent### ###

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