<!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>渐变下来效果</title>
<style type="text/css">
a {
 text-decoration:none;
 color:#333;
}
a:hover {
 color:#f33;
}
a.gr {
 color:#227CE8;
}
a.xg {
 color:#f30;
}
a.zx {
 color:#690;
}
a.yd {
 color:#f00;
}
a.more-rss {
 color:#f60;
}
a img {
 border:none;
}
a.rssfeed {
 display:block;
 height:60px;
 width:160px;
 cursor:pointer;
}
.wrapper {
 width:700px;
 margin:0 auto;
 height:460px;
 position:relative;
}
.wrapper small {
 position:absolute;
 bottom:0;
 left:0;
 border-top:1px dotted #b3b3b3;
 display:block;
 width:700px;
 line-height:30px;
 text-align:right;
}
ul li {
 list-style:none;
}
ul li.dropdown {
 position:relative;
 width:160px;
}
ul li.dropdown ul {
 display:none;
 text-align:center;
 background:#fff;
 border:1px solid #ddd;
 width:160px;
 padding:15px 15px 20px;
}
ul li.dropdown ul li {
 padding:5px 0;
 border-bottom:1px dotted #ddd;
}
</style>
</head>
<body>
<div class="wrapper">
  <h1><a href="">jQuery 渐变下拉菜单</a></h1>
  <p>使用slideToggle和slideUp来实现.</P>
  <ul class="fir">
    <li class="dropdown"> <a class="rssfeed">下拉菜单实例</a>
      <ul>
        <li><a href="#"  rel="RSS">下拉菜单实例</li>
        <li><a href="#" class="xg" rel="nofollow">下拉菜单实例</a></li>
        <li><a href="#" class="gr" rel="nofollow">下拉菜单实例</a></li>
        <li><a href="#" class="zx" rel="nofollow">下拉菜单实例</a></li>
        <li><a href="#" class="yd" rel="nofollow">下拉菜单实例</a></li>
        <li><a href="#" class="more-rss" rel="RSS">下拉菜单实例</a></li>
      </ul>
    </li>
  </ul>
 </div>
<script language="javascript" type="text/javascript" src="jquery.js"></script>
<script language="javascript" type="text/javascript">
$(function(){
 $(".fir .dropdown").hover(
  function(){
   $("li ul").slideToggle(800);
  },function(){
   $("li ul").slideUp(1000)
  })
})
</script>
</body>
</html>

posted on 2009-03-28 21:31  nickel  阅读(7353)  评论(6)    收藏  举报