mysql php three-level linkage menu without refreshing_PHP tutorial

A linkage menu that utilizes the non-refresh effect achieved by js php mysql. Friends in need can download it directly.

The code is as follows	Copy code
-请选择-       $sql="select * from ptypes where sid=0 and ssid = 0";    $result=mysql_query($sql,$conn) or die("返回数据记录出错!");    while($row=mysql_fetch_object($result))    {        echo ("".$row->title."");    }    ?> 一级         -请选择- 二级      -请选择- 三级

http://www.bkjia.com/PHPjc/631705.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/631705.htmlTechArticle一款联动菜单，利用了js php mysql实现的无刷新效果，有需要的朋友可以直接下载哦。 代码如下 复制代码 script language=JavaScript type=text/网页特...