关于PHP的分页代码

读取数据记录的分页代码
if(!$whichpage)
{ 
$notepage=1;
}
else
{
$notepage=$whichpage;
}
$noterecs=0;
$pagesize=10;
$bbsconn=mysql_connect("localhost","root");
mysql_select_db("rainwindy",$bbsconn);
$bbsresult=mysql_query("select * from bbs order by id desc",$bbsconn);
$rsnum=mysql_num_rows($bbsresult);
$pagecount=ceil($rsnum/$pagesize);
mysql_data_seek($bbsresult,($notepage-1)*10);
?>