004:vue中安装使用Mock来模拟数据(详细教程)

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第004个

查看专栏目录: 按照VUE知识点 ------ 按照element UI知识点

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专栏目标
在vue和element UI联合技术栈的操控下,本专栏提供行之有效的源代码示例和信息点介绍,做到灵活运用。

(1)提供vue2的一些基本操作:安装、引用,模板使用,computed,watch,生命周期(beforeCreate,created,beforeMount,mounted, beforeUpdate,updated, beforeDestroy,destroyed,activated,deactivated,errorCaptured,components,)、 $root , $parent , $children , $slots , $refs , props, $emit , eventbus ,provide / inject, Vue.observable, $listeners, $attrs, $nextTick , v-for, v-if, v-else,v-else-if,v-on,v-pre,v-cloak,v-once,v-model, v-html, v-text, keep-alive,slot-scope, filters, v-bind,.stop, .native, directives,mixin,render,国际化,Vue Router等
(2)提供element UI的经典操作:安装,引用,国际化,el-row,el-col,el-button,el-link,el-radio,el-checkbox ,el-input,el-select, el-cascader, el-input-number, el-switch,el-slider, el-time-picker, el-date-picker, el-upload, el-rate, el-color-picker, el-transfer, el-form, el-table, el-tree, el-pagination,el-badge,el-avatar,el-skeleton, el-empty, el-descriptions, el-result, el-statistic, el-alert, v-loading, $message, $alert, $prompt, $confirm , $notify, el-breadcrumb, el-page-header,el-tabs ,el-dropdown,el-steps,el-dialog, el-tooltip, el-popover, el-popconfirm, el-card, el-carousel, el-collapse, el-timeline, el-divider, el-calendar, el-image, el-backtop,v-infinite-scroll, el-drawer等

在做前后分离的项目时候,比如制作VUE项目,很多时候后端没有提供接口,前端人员可以自己通过mock来造一个接口,返回数据

操作步骤

1) 安装mockjs和axios:

npm install mockjs -S
npm install axios -S (用于页面调用接口数据)

2)创建mock.js文件(以与main.js同级为例子)

var Mock = require(‘mockjs’)
Mock.mock(“/getNewsList”, () => {
return [1,12,3,5,4,45,“nihao”];
})

3)main.js中引用mock.js

require(“./mock.js”)
or
import “./mock.js”

4)页面中发送axios请求,获取数据

import axios from “axios”
export default {
mounted() {
axios.get(“/getNewsList”).then(res => {
console.log(res)
})
}
}

实际例子

效果图

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主要目录结构

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mock/index.js 代码

//mock/index.js 
import Mock from 'mockjs' //引入mockjs,npm已安装 
import {
    
     Random,toJSONSchema } from 'mockjs' // 引入random对象,随机生成数据的对象,(与占位符@一样) 
Mock.setup({
    
     
  timeout:500  //设置请求延时时间 
}) 
 
const produceData = function (opt) {
    
     
  console.log("opt",opt); 
  let articles = []; 
  for(let i=0;i<10;i++){
    
     
    let newArticleObject = {
    
     
      title:Random.csentence(5,30), 
      thumbnail_pic_s:Random.dataImage('100x50','zjcopy.com'), 
      date:Random.date()+''+Random.time(), 
      email:Random.email(), 
      name:Random.cname() 
    } 
    articles.push(newArticleObject) 
  } 
  return {
    
     
    data:articles 
  } 
} 
Mock.mock('/name',/post|get/i,produceData)//当post 或者get 请求到news路由时MOCK会拦截请求并返回 

home.vue代码

<template> 
  <div class="home"> 
      <template> 
        <el-table 
          :data="tableData" 
          style="width: 100%"> 
          <el-table-column 
            prop="date" 
            label="日期" 
            width="180"> 
          </el-table-column> 
          <el-table-column 
            prop="name" 
            label="姓名" 
            width="180"> 
          </el-table-column> 
          <el-table-column 
            prop="email" 
            label="地址"> 
          </el-table-column> 
          <el-table-column 
            prop="title" 
            label="标题"> 
          </el-table-column> 
          <el-table-column 
            prop="title" 
            label="图片"> 
               <template slot-scope="scope"> 
                   <el-image :src="scope.row.thumbnail_pic_s"></el-image> 
              </template> 
          </el-table-column> 
        </el-table> 
      </template> 
  </div> 
</template> 
 
<script> 
 
export default {
    
     
  name: 'Home', 
  data(){
    
     
      return{
    
     
          tableData:[], 
      } 
  }, 
  mounted(){
    
     
    this.getdata()   
  }, 
  methods:{
    
     
    getdata(){
    
     
        let url="/name"                //调用Mock接口地址
        this.$request(url, {
    
    }, "GET")  //使用的是封装的axios方法
        .then((res) => {
    
     
          this.tableData=res.data.data 
          console.log(this.tableData) 
        }) 
    },   
  } 
} 
</script> 

项目示例地址:

https://github.com/dajianshi/vue-mock-demo

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转载自blog.csdn.net/cuclife/article/details/131119983
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