用css编写无限分级弹出菜单 不用script


一直以来,我们大多使用js来实现弹出菜单,可是根据 w3c 的css标准,根本就没有这个必要。只需要简单得使用css+html就可以做出一个无限分级的弹出菜单。

  没错,就是利用 Element:hover 这个伪类。

  注意,浏览这个例子,你必须使用标准浏览器,例如 Mozilla Firefox/ Opera 7.5

  IE 不行!!

  
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
     <title>css menu</title>
     <style type="text/css">
     /*<![CDATA[*/
       ul.menu
       {
         width:180px;
         cursor:hand;
         list-style-type:none;
         border:1px solid #cccccc;
  padding:0px;
  margin:0px;

       }

       ul.menu li
       {
         width:100%;
  display:block;
 position:relative;
 
       }

       ul.menu li   a
       {

         background-color:#06829C;
         color:#ffffff;
         width:100%;
         display:block;
         font-size:9pt;
         padding:2px;
  padding-left:10px;
       }

       ul.menu li ul.menu
       {
          display:none;
          width:190px;
          position:absolute;
          z-index:1000;
          left:80%;
          top:-10px;
       }

       ul.menu li:hover > a
       {
         width:100%;
         background-color:#64ACF8;
         color:#ffffff;
       }

       ul.menu li:hover > ul.menu
       {
          display:block;
       }
     /*]]>*/
     </style>
</head>

<body>
     <ul class="menu">
          <li><a href="#">Item 1</a></li>

          <li>
               <a href="#">Menu Item &gt;</a>

               <ul class="menu">
                    <li><a href="#">item</a></li>

                    <li>
                         <a href="#">item &gt;</a>

                         <ul class="menu">
                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>
                         </ul>
                    </li>

                    <li>
                         <a href="#">item &gt;</a>

                         <ul class="menu">
                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>
                             
                              <li><a href="#">menu item</a></li>
                         </ul>
                    </li>

                    <li>
                         <a href="#">item &gt;</a>

                         <ul class="menu">
                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>

                              <li><a href="#">menu item</a></li>
                         </ul>
                    </li>
               </ul>
          </li>
     </ul>
</body>
</html><script language="Javascript">
var now = new Date();
document.write("<img src='http://counter.yesky.com/counter.shtml?CID=54197&AID=-1&refer="+escape(document.referrer)+"&rand="+ now.getTime()  + "&cur="+escape(document.URL)+"' border='0' alt='' width='0' height='0'>");
</script>
<noscript>
<img src="http://counter.yesky.com/counter.shtml?CID=54197&AID=-1&refer=noscriptcounter&cur=noscriptcounter" border='0' width='0' height='0'/>
</noscript>

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