ElementUI 分页

<template>
  <div class="deit">
    <div class="crumbs">
      <el-breadcrumb separator="/">
        <el-breadcrumb-item><i class="el-icon-date"></i> 数据管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      </el-breadcrumb>
      <div class="cantainer">
        <el-table style="width: 100%;"
                  :data="userList.slice((currentPage-1)*pagesize,currentPage*pagesize)"
        >
          <el-table-column label="id" prop="id" width="180">
          </el-table-column>
          <el-table-column label="日期" prop="date" width="180">
          </el-table-column>
          <el-table-column label="用户姓名" prop="name" width="180">
          </el-table-column>
        </el-table>
        <el-pagination
          background
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="currentPage"
          :page-sizes="[5, 10, 20, 40]"
          :page-size="pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="userList.length">
        </el-pagination>
      </div>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'test',
    data() {
      return {
        currentPage: 1, //初始页
        pagesize: 5,    //    每页的数据
        userList: []
      }
    },
    created() {
      this.handleUserList()
    },
    methods: {
      // 初始页currentPage、初始每页数据数pagesize和数据data
      handleSizeChange: function(size) {
        this.pagesize = size
        console.log(this.pagesize)  //每页下拉显示数据
      },
      handleCurrentChange: function(currentPage) {
        this.currentPage = currentPage
        console.log(this.currentPage)  //点击第几页
      },
      handleUserList() {
        // this.$http.get('http://localhost:3000/userList').then(res => {  //这是从本地请求的数据接口，
        //   this.userList = res.body
        // })
        // 构建临时数据
        let data = [
          {
            id:1,
            date:"2020-01-22 12:12:12",
            name:123,
          },
          {
            id:2,
            date:"2020-01-22 12:12:12",
            name:123,
          },
          {
            id:3,
            date:"2020-01-22 12:12:12",
            name:123,
          },
          {
            id:4,
            date:"2020-01-22 12:12:12",
            name:123,
          },
          {
            id:5,
            date:"2020-01-22 12:12:12",
            name:123,
          },
          {
            id:6,
            date:"2020-01-22 12:12:12",
            name:123,
          },
          {
            id:7,
            date:"2020-01-22 12:12:12",
            name:123,
          },
          {
            id:8,
            date:"2020-01-22 12:12:12",
            name:123,
          },
          {
            id:9,
            date:"2020-01-22 12:12:12",
            name:123,
          },
          {
            id:10,
            date:"2020-01-22 12:12:12",
            name:123,
          },
        ]
        this.userList = data
      }
    }
  }
</script>

<style scoped>

</style>

:data="userList.slice((currentPage-1)*pagesize,currentPage*pagesize)"  //对数据请求的处理，最为重要的一句话

<el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="currentPage"
        :page-sizes="[5, 10, 20, 40]" //这是下拉框可以选择的，每选择一行，要展示多少内容
        :page-size="pagesize"         //显示当前行的条数
        layout="total, sizes, prev, pager, next, jumper"
        :total="userList.length">    //这是显示总共有多少数据，
</el-pagination>