PHP 随机显示几条数据

   <ul>     <?php     $sqlll = mysql_query("select id,name from `zhdk_xiangmu` order by rand() limit 5",$conn); while($rsll = mysql_fetch_array($sqlll)){ ?>     <li><a href="bank_show.php?id=<?php echo $rsll['id'];?>"><?php echo mb_strcut($rsll['name'],0,30,'utf8');?></a></li>     <?php}     ?>   </ul>