php mysql网页分页代码
在php+mysql数据库的分页代码中比以前的asp,asp.net相对来就容易很多,因为mysql支持limit,0,N这样就可以轻松快速的获取要读取的记录,好下面来看实例
<?php
function getpage($talbe, $choose, $url) {
global $page, $db, $sortname;
$query = $db->query("select * from $talbe $choose");
$total = $db->num_rows($query);
$totalpage = ceil($total / 25);
$nextpage = $page + 1;
$uppage = $page - 1;
if ($nextpage > $totalpage) $nextpage = $totalpage;
if ($uppage < 1) $uppage = 1;
$showpage = "共有<b><font color='#FF0000'>$total</font></b>条记录,
共<b><font color='#FF0000'>$totalpage</font></b>页,当前为第<b>
<font color='#FF0000'>$page</font></b>页
<b><font color='#FF0000'>◇</font></b>
<a href='?$url&page=$uppage&sortname=$sortname'>上一页</a>
<b><font color='#FF0000'>◇</font></b>
<a href='?$url&page=$nextpage&sortname=$sortname'>下一页</a>
<font color='#FF0000'><b>◇";
return $showpage;
}
function reto($msg, $url = '') {
global $comeurl;
if (!$url) $url = $comeurl;
return "<table width='100%' cellspacing='1' cellpadding='3' bgcolor='#CCCCCC'>
<tr bgcolor='#FFFFFF'>
<td>
<div align='center'>
<font size='+6'><b><font size='5'>
<a href='$url'><font color='#993300'>$msg</font></a>
</font></b></font></div>
</td>
</tr>
</table>";
}通过上页的代码我们可以看出php分页原创很简单,只要get[page]页面,当前页,然后再用 $page * $pagesize以开始,后以$pagesize为结束就OK了。mysql语句为$sql = "Select * from t limit $page*$pagesize,$pagesize";
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