Detailed explanation of the steps to implement table paging with vue+element

This time I will bring you a detailed explanation of the steps to implement table pagination with vue element Paging . What are the precautions for vue element to implement table pagination? The following is a practical case. Let’s take a look. one time.

Preface

ElementUI is a Vue-based front-end framework that is open source by Ele.me. It has helped us encapsulate a series of functional components, such as grid systems, tables, forms, tree menus, notifications, etc. For projects that engage in backend management interfaces, especially projects that do not need to be compatible with ie8 or ie9 below, ElementUI is a good choice.

Moreover, the documentation of ElementUI is very detailed, and you can get started quickly by referring to the demo.

This article mainly introduces the relevant content about Vue element's implementation of table paging and front-end search. It is shared for everyone's reference and learning. I won't say much below, let's take a look at the detailed introduction.

Implementation ideas

1. There will be many tables in front-end and back-end management. If there is too much table data, paging is required;

2. If the front-end interaction requests the server for every search, it will increase the pressure on the server. Therefore, if the amount of data is not very large, the data can be returned at once and the front-end will do the retrieval

3. Paste a demo

below Sample code

<template>
<p>
 <el-input v-model="tableDataName" placeholder="请输入姓名" style="width:240px"></el-input>
 <el-button type="primary" @click="doFilter">搜索</el-button>
 <el-button type="primary" @click="openData">展示数据</el-button>
 <el-table
 :data="tableDataEnd"
 border
 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="address"
  label="地址">
 </el-table-column>
 </el-table>
 <el-pagination
  @size-change="handleSizeChange"
  @current-change="handleCurrentChange"
  :current-page="currentPage"
  :page-sizes="[1, 2, 3, 4]"
  :page-size="pageSize"
  layout="total, sizes, prev, pager, next, jumper"
  :total="totalItems">
 </el-pagination>
</p>
</template>
<script>
export default {
 data() {
 return {
  tableDataBegin: [
  {
   date: "2016-05-01",
   name: "王小虎",
   address: "上海市普陀区金沙江路 1518 弄"
  },
  {
   date: "2016-05-02",
   name: "王小虎",
   address: "上海市普陀区金沙江路 1517 弄"
  },
  {
   date: "2016-05-03",
   name: "王二虎",
   address: "上海市普陀区金沙江路 1519 弄"
  },
  {
   date: "2016-05-04",
   name: "王二虎",
   address: "上海市普陀区金沙江路 1516 弄"
  },
  {
   date: "2016-05-05",
   name: "王三虎",
   address: "上海市普陀区金沙江路 1518 弄"
  },
  {
   date: "2016-05-06",
   name: "王三虎",
   address: "上海市普陀区金沙江路 1517 弄"
  },
  {
   date: "2016-05-07",
   name: "王小虎",
   address: "上海市普陀区金沙江路 1519 弄"
  },
  {
   date: "2016-05-08",
   name: "王小虎",
   address: "上海市普陀区金沙江路 1516 弄"
  }
  ],
  tableDataName: "",
  tableDataEnd: [],
  currentPage: 4,
  pageSize: 2,
  totalItems: 0,
  filterTableDataEnd:[],
  flag:false
 };
 },
 created() {
 this.totalItems = this.tableDataBegin.length;
 if (this.totalItems > this.pageSize) {
  for (let index = 0; index < this.pageSize; index++) {
  this.tableDataEnd.push(this.tableDataBegin[index]);
  }
 } else {
  this.tableDataEnd = this.tableDataBegin;
 }
 },
 methods: {
 //前端搜索功能需要区分是否检索,因为对应的字段的索引不同
 //用两个变量接收currentChangePage函数的参数
 doFilter() {
  if (this.tableDataName == "") {
  this.$message.warning("查询条件不能为空！");
  return;
  }
  this.tableDataEnd = []
  //每次手动将数据置空,因为会出现多次点击搜索情况
  this.filterTableDataEnd=[]
  this.tableDataBegin.forEach((value, index) => {
  if(value.name){
   if(value.name.indexOf(this.tableDataName)>=0){
   this.filterTableDataEnd.push(value)
   }
  }
  });
  //页面数据改变重新统计数据数量和当前页
  this.currentPage=1
  this.totalItems=this.filterTableDataEnd.length
  //渲染表格,根据值
  this.currentChangePage(this.filterTableDataEnd)
  //页面初始化数据需要判断是否检索过
  this.flag=true
 },
 openData() {},
 handleSizeChange(val) {
  console.log(`每页 ${val} 条`);
  this.pageSize = val;
  this.handleCurrentChange(this.currentPage);
 },
 handleCurrentChange(val) {
  console.log(`当前页: ${val}`);
  this.currentPage = val;
  //需要判断是否检索
  if(!this.flag){
  this.currentChangePage(this.tableDataEnd)
  }else{
  this.currentChangePage(this.filterTableDataEnd)  
  }
 }, //组件自带监控当前页码
 currentChangePage(list) {
  let from = (this.currentPage - 1) * this.pageSize;
  let to = this.currentPage * this.pageSize;
  this.tableDataEnd = [];
  for (; from < to; from++) {
  if (list[from]) {
   this.tableDataEnd.push(list[from]);
  }
  }
 }
 }
};
</script>

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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