Ajax实现无刷新分页实例代码

  
  
  




  
  


  

    
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<&＃63;php
include("DBDA.class.php");
$db = new DBDA();
//把上个页面的2个值传过来
$page = $_POST["page"];//当前页
$key = $_POST["key"];//条件，关键字
$num = 20;//定义，一页里多少条数据，
$tiaoshu = ($page-1)*$num;//$tiaoshu跳过多少条($page-1)*$num现在$num是20条
//写$SQL语句
$sql = "select * from chinastates where areaname like '%{$key}%' limit {$tiaoshu},{$num}";//根据关键字查like '%{$tiaojian}%'。
echo $db->JSONQuery($sql);

<&＃63;php
include("DBDA.class.php");
$db = new DBDA();
$key = $_POST["key"];
$num = 20;
$sql = "select count(*) from chinastates where areaname like '%{$key}%'";
$zts = $db->StrQuery($sql);
echo ceil($zts/$num);