php function genpage(&$sql,$page_size=10) 
{ 
global $pages,$sums,$eachpage,$page; //总页数,总记录,每页数,当前页 
$page = $_GET["page"]; 
if($page ==0)$page =1; 
$eachpage = $page_size; 
$pagesql = strstr($sql," from "); 
$pagesql = "select count(*) as ids ".$pagesql; 
$conn = mysql_query($pagesql) or die(mysql_error()); 
if($rs = mysql_fetch_array($conn))$sums = $rs[0]; 
$pages=ceil($sums/$eachpage); 
if($pages==0)$pages=1; 
$startpos = ($page-1)*$eachpage; 
$sql .=" limit $startpos,$eachpage "; 
} 
//显示分页 
function showpage() 
{ 
global $pages,$sums,$eachpage,$page; //总页数,总记录,每页数,当前页,其它参数 
$link=$_SERVER['PHP_SELF']; 
echo "记录".$sums.":".$eachpage." "; 
echo "页数".$page."/".$pages." "; 
$p_head=$page-5; 
if($p_head$p_end=$page+5; 
if($p_end>$pages)$p_end=$pages; //页码循环结束数 后5个 
echo "[
首页] "; 
for($i=$p_head;$i{ 
if($i!=$page) 
echo "
[$i] "; 
else 
echo "
[$i] "; 
} 
echo " [
末页]"; 
} 
?>