page.class.php

<?php
// 本文件说明:分页文件
$page = $_GET["page"]; 
function Page($rows,$page_size){ 
global $page,$select_from,$select_limit,$pagenav; 
$page_count = ceil($rows/$page_size); 
if($page <= 1 || $page == '') $page = 1; 
if($page >= $page_count) $page = $page_count; 
$select_limit = $page_size; 
$select_from = ($page - 1) * $page_size.','; 
$pre_page = ($page == 1)? 1 : $page - 1; 
$next_page= ($page == $page_count)? $page_count : $page + 1 ; 
$pagenav .= " 共 $rows 条记录 "; 
$pagenav .= "<a href='?page=1'>首页</a> "; 
$pagenav .= "<a href='?page=$pre_page'>前一页</a> "; 
$pagenav .= "<a href='?page=$next_page'>后一页</a> "; 
$pagenav .= "<a href='?page=$page_count'>末页</a>"; 
$pagenav.="　跳到<select name='topage' size='1' onchange='window.location=\"?page=\"+this.value'>\n"; 
for($i=1;$i<=$page_count;$i++){ 
if($i==$page) $pagenav.="<option value='$i' selected>$i</option>\n"; 
else $pagenav.="<option value='$i'>$i</option>\n"; 
} 
}
?>