home.vue修改表格的渲染，分页处将后台请求接口传入页面

home.vue代码：

<template>
  <el-container style="min-height: 100vh;">
    <el-aside :width="sideWidth + 'px'" style="background-color: rgb(238, 241, 246);  box-shadow: 2px 0 6px rgb(0 21 41);  height: 100%;  overflow: hidden">
      <el-menu :default-openeds="['1', '3']" style="min-height: 100%; overflow-x: hidden"
               background-color="rgb(48, 65, 86)"
               text-color="#fff"
               active-text-color="#ffd04b"
               :collapse-transition="false"
               :collapse="isCollapse"
      >
        <div style="heigth：60px; line-height: 60px; text-align: center">
          <img src="../assets/logo.png" alt="" style="width: 20px; position:relative; top: 5px; margin-right: 5px">
          <b style="color: white" v-show="logoTextShow">后台管理系统</b>
        </div>

        <el-submenu index="1">
          <template slot="title">
            <i class="el-icon-message"></i>
            <span slot="title">导航一</span>
          </template>
          <el-menu-item-group title="分组2">
            <el-menu-item index="1-3">选项3</el-menu-item>
          </el-menu-item-group>
          <el-submenu index="1-4">
            <template slot="title">选项4</template>
            <el-menu-item index="1-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="2">
          <template slot="title">
            <i class="el-icon-menu"></i>
            <span slot="title">导航二</span>
          </template>
          <el-submenu index="2-4">
            <template slot="title">选项4</template>
            <el-menu-item index="2-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="3">
          <template slot="title">
            <i class="el-icon-setting"></i>
            <span slot="title">导航三</span>
          </template>
          <el-submenu index="3-4">
            <template slot="title">选项4</template>
            <el-menu-item index="3-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
      </el-menu>
    </el-aside>

    <el-container>
      <el-header style="font-size: 12px; border-bottom: 1px solid #ccc; line-height: 60px; display: flex">
        <div style="flex:1; font-size: 20px">
          <span :class="collapseBtnClass" style="cursor:pointer" @click="collapse"></span>
        </div>

        <el-dropdown style="width: 70px; cursor:pointer">
          <span>王小虎</span>
          <i class="el-icon-arrow-down" style="margin-right: 5px"></i>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item>个人信息</el-dropdown-item>
            <el-dropdown-item>退出</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>

      </el-header>

      <el-main>
        <div style="padding: 10px 0px">
          <!--prefix-icon="el-icon-user",表示加一个搜素图标,设置在头-->
          <!--suffix-icon="el-icon-tickets"",表示加一个搜素图标,设置在尾-->
          <!--placeholder="请输入内容"",表示设置一个默认显示提示文字内容-->
          <el-input style="width: 200px" placeholder="请输入人名" prefix-icon="el-icon-user"></el-input>
          <el-input style="width: 200px" placeholder="请输入标题" suffix-icon="el-icon-tickets" class="ml-5"></el-input>
          <el-input style="width: 200px" placeholder="请输入url"  prefix-icon="el-icon-link " class="ml-5"></el-input>
          <el-button class="ml-5" type="primary">搜索</el-button>
        </div>

        <!--两个div层之间都用margin，则会自动隔开-->
        <div style="margin: 10px 0px">
          <el-button type="primary">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
          <el-button type="danger">批量删除 <i class="el-icon-remove-outline"></i></el-button>
          <el-button type="primary">导入 <i class="el-icon-bottom"></i></el-button>
          <el-button type="primary">导出 <i class="el-icon-top"></i></el-button>
        </div>

        <!--border stripe,表示加上斑马线-->
        <!--header-row-class-name="headerBg",表示设置表头颜色样式，headerBg为一个style样式类-->
        <el-table :data="tableData" border stripe :header-cell-class-name="headerBg">
            <el-table-column prop="id" label="ID" width="80"></el-table-column>
          <el-table-column prop="imgpeople" label="人名" width="140"></el-table-column>
          <el-table-column prop="imgtitle" label="标题" width="120"></el-table-column>
          <el-table-column prop="spliderimgurl" label="url" width="120">

          </el-table-column>

          <el-table-column lable="操作" width="200" align="center">
            <template slot-scope="scope">
              <el-button type="success">编辑 <i class="el-icon-edit"></i></el-button>
              <el-button type="danger">删除 <i class="el-icon-remove-outline"></i></el-button>
            </template>
          </el-table-column>

        </el-table>

        <div style="padding: 10px 0px">    <!--内边距空一些--><!--current-page,就是当前的页码-->
          <el-pagination
                  @size-change="handleSizeChange"
                  @current-change="handleCurrentChange"
                  :current-page="pageNum"
                  :page-sizes="[2, 5, 10, 20]"
                  :page-size="pageSize"
                  layout="total, sizes, prev, pager, next, jumper"
                  :total="total">
          </el-pagination>
          <!--1.page-sizes一般设置为5，10，15，20-->
          <!--1.page-size一般设置为10，即每页10个-->
        </div>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
// @ is an alias to /src
import HelloWorld from '@/components/HelloWorld.vue'

export default {
  name: 'Home',
  data(){
      const item = {
          date: '2016-05-02',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1518 弄'
      };
      return{
          tableData: [],
          total:0,
          pageNum:1,
          pageSize:2,
          collapseBtnClass: 'el-icon-s-fold',
          isCollapse: false,
          sideWidth: 200,
          logoTextShow:true,
          headerBg:"headerBg"
      }
  },
  created(){
      //请求分页查询数据，用fetch
      this.load()
  },

  methods:{
      collapse(){  //点击搜索按钮触发
          this.isCollapse= !this.isCollapse
          if(this.isCollapse){//收缩
            this.sideWidth = 64
            this.collapseBtnClass = 'el-icon-s-unfold'
            this.logoTextShow = false
          }else{ //展开
            this.sideWidth = 200
            this.collapseBtnClass = 'el-icon-s-fold'
            this.logoTextShow = true
          }
      },
      load(){
          //请求分页查询数据，用fetch
          //fetch第一个参数为url
          //将出来的结果res,通过res.json的方法，将它转为一个json,然后再使用一个then，打印json
          fetch("http://192.168.0.104:9090/spider/page?pageNum="+this.pageNum+"&pageSize="+this.pageSize+"&img_people&img_title=王").
          then(res=>res.json()).then(res=>{
                  console.log(res)
                  this.tableData = res.records
                  this.total = res.total})
      },
      handleSizeChange(pageSize){
          console.log(`每页 ${pageSize} 条`);
          this.pageSize = pageSize
          this.load()
      },
      handleCurrentChange(pageNum){
          console.log(`当前页: ${pageNum}`);
          this.pageNum = pageNum
          this.load()
      }

  }
}
</script>

<style>
  .headerBg {
    background: #eeeeee!important;
  }
</style>