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PHP的分页功能

WBOY
Release: 2016-06-13 12:31:57
Original
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// 建立数据库连接 
$link = mysql_connect("localhost", "root", "wyh7ye") ;
;// 获取当前页数 
mysql_select_db("test",$link);
if(isset($_GET[’page’]))...{ 
$page = intval($_GET[’page’]); 

else...{ 
$page = 1; 

// 每页数量 
$page_size =4; 
// 获取总数据量 
$sql = "select * from user"; 
$result = mysql_query($sql,$link); 
while($row = mysql_fetch_array($result))...{
$i=$i+1;
}
$amount = $i; 
// 记算总共有多少页 
if( $amount )...{ 
    if( $amount     if( $amount % $page_size )...{ //取总数据量除以每页数的余数 
        $page_count = (int)($amount / $page_size) + 1; //如果有余数,则页数等于总数据量除以每页数的结果取整再加一 
    }else...{ 
        $page_count = $amount / $page_size ; //如果没有余数,则页数等于总数据量除以每页数的结果 
    } 

else...{ 
$page_count = 0; 

// 获取数据,以二维数组格式返回结果 
if( $amount )...{ 
$sql = "select * from user order by id desc limit ". ($page-1)*$page_size .",$page_size"; 
$result =mysql_query($sql,$link); 
while ($row =mysql_fetch_array($result))...{ 
?>


  
    
    
    
    
  


}
// 翻页链接 
$page_string =""; 
if( $page == 1 )...{ 
$page_string.="第一页|上一页|"; 

else...{ 
$page_string.= "第一页|href=?page=".($page-1).">上一页|"; 

if( ($page == $page_count) || ($page_count == 0) )...{ 
$page_string.=" 下一页|尾页"; 

else...{ 
$page_string.= "下一页|尾页"; 

echo $page_string;
?> 

source:php.cn
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