<template>
 <div class="big">
 <div class="top">
 <el-input placeholder="搜索" v-model="searchData" @input="search"></el-input>
 </div>
 <div class="middle">
 <el-tree :data="list">
 <span slot-scope="{ node, data }">
  <span class="el-icon-tickets"></span>
  <span>{{data.name}} {{data.age}}</span>
 </span>
 </el-tree>
 </div>
 <div class="bottom">
 <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" background :current-page="page"
 :page-size="limit" layout="prev, pager, next" :total="total"></el-pagination>
 </div>
 </div>
</template>

<script>
 export default {
 data() {
 return {
 data: [{
  name: 'aa',
  age: 12
  },
  {
  name: 'bb',
  age: 13
  }
 ],//列举一部分的数据
 list: [], // 显示的数据
 limit: 10, // 条数，每一页显示的数量
 total: 20, // 所有的数量
 page: 1, //当前页
 searchData: '' // 搜索内容
 }
 },
 created() {
 this.pageList()
 },
 methods: {
 pageList() {
 this.getList()
 },
 // 处理数据
 getList() {
 // es6过滤得到满足搜索条件的展示数据list
 var list = this.data.filter((item, index) =>
  item.name.includes(this.searchData)
 ) // 搜索符号条件的内容
 console.log(list)
 this.list = list.filter((item, index) =>
  index < this.page * this.limit && index >= this.limit * (this.page - 1)
 ) //根据页数显示相应的内容
 this.total = list.length
 },
 // 当每页数量改变
 handleSizeChange(val) {
 console.log(`每页 ${val} 条`);
 this.limit = val
 this.getList()
 },
 // 当当前页改变
 handleCurrentChange(val) {
 console.log(`当前页: ${val}`);
 this.page = val
 this.getList()
 },
 // 搜索过滤数据
 search() {
 this.page = 1
 this.getList()
 }
 },
 }
</script>

<div class="big">
  <el-row>
   <el-col :span="21">
    <el-input v-model="searchData" @input="search" placeholder="输入姓名搜索"></el-input>
   </el-col>
   <el-col :span="3">
    <el-button type="success" @click="search">搜索</el-button>
   </el-col>
  </el-row>
  <el-table :data="list" border>
   <el-table-column label="姓名" prop="name"></el-table-column>
   <el-table-column label="年龄" prop="age"></el-table-column>
  </el-table>
  <div style="text-align: center;">
 <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
  :current-page="page" :page-sizes="[1, 2,5, 10]" :page-size="limit"
  layout="total, sizes, prev, pager, next, jumper" :total="total">
 </el-pagination>
 </div>
</div>