Ajax implements paging query function-JS Tutorial-php.cn

Ajax implements paging query function

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Release： 2018-03-31 16:11:35

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This time I will bring you the ajax implementation of the paging query function. What are the precautions for the ajax implementation of the paging query function? The following is a practical case, let's take a look.

The specific code of ajax paging query function is for your reference. The specific content is as follows

The displayed effect is as follows:

The code to achieve the effect is as follows:

1.fenye.php

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<link type="text/css" rel="stylesheet" href="../bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="external nofollow" />
<script src="../jquery-3.2.0.min.js"></script>
<script src="../bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
<style type="text/css">
.list:hover{ cursor:pointer}
#prev:hover{ cursor:pointer}
#next:hover{ cursor:pointer}
</style>
</head>
<body>
<p class="page-header">
<h1>AJAX分页</h1>
</p>
<p>名称：<input type="text" id="name" /> <button type="button" class="btn btn-info btn-xs" id="chaxun">查询</button></p>
<br />
<table width="100%" class="table table-hover">
 <tr>
  <td>代号</td>
  <td>名称</td>
 </tr>
 
 <tbody id="shuju">
  
 </tbody>
 
</table>
<br />
<ul class="pagination" id="xinxi"></ul>
</body>
<script type="text/javascript">
//代表当前页
var page = 1;
//每页显示几条
var num = 5;
//加载数据
Load();
//加载分页列表
LoadFenYe();
//加载数据的方法
function Load()
{
 var name = $("#name").val();
 $.ajax({
  url:"chuli.php",
  data:{page:page,num:num,name:name},
  type:"POST",
  dataType:"JSON",
  success: function(data){
   var str = "";
   for(var k in data)
   {
    str = str + "<tr><td>"+data[k].code+"</td><td>"+data[k].nno+"</td></tr>";
   }
   $("#shuju").html(str);
  } 
 });
}
//加载分页信息
function LoadFenYe()
{
 //存储所有分页信息的代码
 var s = "";
 var name = $("#name").val();
 //加载上一页
 s = "<li><a id=&#39;prev&#39;>«</a></li>";
 
 //加载列表
 var zts = 0;
 $.ajax({
  async:false,
  data:{name:name},
  type:"POST",
  url:"zongtiaoshu.php",
  dataType:"TEXT",
  success: function(data){
   zts = data;
  }
 });
 
 //求总页数
 var zys = Math.ceil(zts/num);
 //为了防止出错
 page = parseInt(page);
 for( var i=page-2;i<page+3;i++)
 {
  if(i>0 && i<=zys)
  {
   if(i==page)
   {
    s = s+"<li class=&#39;active&#39;><a ys=&#39;"+i+"&#39; class=&#39;dangqian&#39;>"+i+"</a></li>";
   }
   else
   {
    s = s+"<li><a ys=&#39;"+i+"&#39; class=&#39;list&#39;>"+i+"</a></li>";
   }
   
  }
 }
 
 //加载下一页
 s = s+"<li><a id=&#39;next&#39;>»</a></li>";
 
 $("#xinxi").html(s);
 
 //给上一页加事件
 $("#prev").click(function(){
  page = parseInt(page);
  if(page>1)
  {page--;}
  
  //重新加载数据
  Load();
  //重新加载分页信息
  LoadFenYe();
 })
 //给下一页加事件
 $("#next").click(function(){
  page = parseInt(page);
  if(page<zys)
  {page++;}
  
  //重新加载数据
  Load();
  //重新加载分页信息
  LoadFenYe();
 })
 
 //给列表加事件
 $(".list").click(function(){
  page = parseInt($(this).attr("ys"));
  //重新加载数据
  Load();
  //重新加载分页信息
  LoadFenYe();
 })
}
$("#chaxun").click(function(){
 //重新加载数据
 Load();
 //重新加载分页信息
 LoadFenYe();
})
</script>
</html>

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2.chuli.php

<?php
$page = $_POST["page"];
$num = $_POST["num"];
$name = $_POST["name"];
require "../DBDA.class.php";
$db = new DBDA();
$tguo = ($page-1)*$num;
$sql = "select * from nation where nno like &#39;%{$name}%&#39; limit {$tguo},{$num}";
echo $db->jsonquery($sql);

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3.zongtiaoshu.php

<?php
$name = $_POST["name"];
require"../DBDA.class.php";
$db = new DBDA();
$sql ="select count(*) from nation where nno like &#39;%{$name}%&#39;";
echo $db->strquery($sql);

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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!