由于才学JQ，怎么做下拉菜单！急，谢谢！

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
body{
font-size:12px;
}
ul,li,dl,dt,dd{
margin:0;
padding:0;
list-style:none;
}
.menu ul{
width:200px;
line-height:24px;
background-color:#999;
text-align:center;
border-bottom:1px #666 solid;
}
.menu ul li{
cursor:pointer;
}
.menu dl {
width:200px;
text-align:center;
line-height:24px;
background:#06F;
display:none;
}
</style>
<script type="text/javascript" src="js/jquery.js" ></script>
<script type="text/javascript">
$(document).ready(function(){
$("div.menu > ul> li").click(function(){
$(".menu > ul").next().slideToggle();
})
})</script>
</head><body>
<div class="menu">
<ul>
     <li>一级菜单</li>
    </ul>
    <dl>
     <dt>1.1级菜单</dt>
    </dl>
    <ul>
     <li>二级菜单</li>
    </ul>
    <dl>
     <dt>2.1级菜单</dt>
    </dl>
    
    <ul>
     <li>三级菜单</li>
    </ul>
    <dl>
     <dt>3.1级菜单</dt>
    </dl>
</div>
</body>
</html>

解决方案 »

  1.   


    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</title>
    <style>
    body{
    font-size:12px;
    }
    ul,li,dl,dt,dd{
    margin:0;
    padding:0;
    list-style:none;
    }
    .menu ul{
    width:200px;
    line-height:24px;
    background-color:#999;
    text-align:center;
    border-bottom:1px #666 solid;
    }
    .menu ul li{
    cursor:pointer;
    }
    .menu dl {
    width:200px;
    text-align:center;
    line-height:24px;
    background:#06F;
    display:none;
    }
    </style>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
    <script type="text/javascript">
    $(document).ready(function(){
    $("div.menu > ul> li").click(function(){
       $(this).parent().next().slideToggle();
    })
    })</script>
    </head><body>
    <div class="menu">
    <ul>
      <li>一级菜单</li>
      </ul>
      <dl>
      <dt>1.1级菜单</dt>
      </dl>
      <ul>
      <li>二级菜单</li>
      </ul>
      <dl>
      <dt>2.1级菜单</dt>
      </dl>
       
      <ul>
      <li>三级菜单</li>
      </ul>
      <dl>
      <dt>3.1级菜单</dt>
      </dl>
    </div>
    </body>
    </html>$(this).parent().next().slideToggle();
    这样是吧 ？