PHP实现分页的一个示例_php基础

<?php
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);
?>
<p align=right>

<table border="0" width="730" cellspacing="0" cellpadding="0">
<tr>
<td width="41" height="30" bgcolor="#C0C0C0" bordercolor="#0000FF" valign="middle" align="center">编号</td>
<td width="100" height="30" bordercolor="#0000FF" bgcolor="#C0C0C0" valign="middle" align="center">用户名</td>
<td width="100" height="30" bordercolor="#0000FF" bgcolor="#C0C0C0" valign="middle" align="center">发表人</td>
<td width="311" height="30" bordercolor="#0000FF" bgcolor="#C0C0C0" valign="middle" align="center">文章标题</td>
<td width="239" height="30" bordercolor="#0000FF" bgcolor="#C0C0C0" valign="middle" align="center">发表时间</td>
</tr>
<?php
while(($bbsrow=mysql_fetch_array($bbsresult)) && ($noterecs<=9))
{

?>
<tr>
<td width="41" height="30" bgcolor="#FFFFCC" valign="middle" align="center"><?php echo $bbsrow["id"] ?></td>
<td width="100" height="30" bgcolor="#FFFFCC" valign="middle" align="center"><?php echo $bbsrow["usr"] ?></td>
<td width="100" height="30" bgcolor="#FFFFCC" valign="middle" align="center"><?php echo $bbsrow["name"] ?></td>
<td width="311" height="30" bgcolor="#FFFFCC" valign="middle" align="center"><a href="bbsdisp.php?whichnote=<?php echo $bbsrow["id"] ?>" target="disp"><?php echo $bbsrow["title"] ?></a></td>
<td width="239" height="30" bgcolor="#FFFFCC" valign="middle" align="center"><?php echo $bbsrow["bbstime"] ?></td>

</tr>
<?php
$noterecs=$noterecs+1;
}
?>
</table>

</p>
<br>
<br>
<center>
<?php
$pad=0;
for($counter=1;$counter<=$pagecount;$counter++)
{
if($counter>=10)
{
$pad="";
}

echo("<font size=+1 color=red><a href='bbsbl.php?whichpage=$counter'>".$pad.$counter."</a></font> ");
}
?>