jQuery实现美观的多级动画效果菜单代码

本文实例讲述了jQuery实现多级动画效果菜单代码。分享给大家供大家参考。具体如下：

这是基于jQuery实现的一款多级动画菜单源代码，动画效果流畅，确实不错的动画菜单，欢迎大家试用。这种菜单 一般应用于大站，不过如果你的站点内容比较多，也是可以考虑的哦。

运行效果截图如下：

在线演示地址如下：

http://demo.jb51.net/js/2015/jquery-nlevel-animate-menu-style-codes/

具体代码如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
 <head>
 <title>多级的动画菜单代码</title>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 <style>
 *{
 padding:0;
 margin:0;
 }
  body{
 background:#f0f0f0;
 font-family:"Helvetica Neue",Arial,Helvetica,Geneva,sans-serif;
  overflow-x:hidden;
 }
 h1{
 font-size:180px;
 line-height:180px;
 text-transform: uppercase;
 color:#f9f9f9;
 position:absolute;
 text-shadow:0 1px 1px #ddd;
 top:-25px;
 left:-20px;
 white-space: nowrap;
 }
 span.reference{
 position:fixed;
 left:10px;
 bottom:10px;
 font-size:11px;
 }
 span.reference a{
 color:#DF7B61;
 text-decoration:none;
 text-transform: uppercase;
 text-shadow:0 1px 0 #fff;
 }
 span.reference a:hover{
 color:#000;
 }
 .box{
 margin-top:129px;
 height:460px;
  width:100%;
 position:relative;
 background:#fff url(images/click.png) no-repeat 380px 180px;
  -moz-box-shadow:0px 0px 10px #aaa;
  -webkit-box-shadow:0px 0px 10px #aaa;
  -box-shadow:0px 0px 10px #aaa;
 }
 .box h2{
  color:#f0f0f0;
  padding:40px 10px;
  text-shadow:1px 1px 1px #ccc;
 }
ul.ldd_menu{
 margin:0px;
 padding:0;
 display:block;
 height:50px;
 background-color:#D04528;
 list-style:none;
 font-family:"Trebuchet MS", sans-serif;
 border-top:1px solid #EF593B;
 border-bottom:1px solid #EF593B;
 border-left:10px solid #D04528;
 -moz-box-shadow:0px 3px 4px #591E12;
 -webkit-box-shadow:0px 3px 4px #591E12;
 -box-shadow:0px 3px 4px #591E12;
}
ul.ldd_menu a{
 text-decoration:none;
}
ul.ldd_menu > li{
 float:left;
 position:relative;
}
ul.ldd_menu > li > span{
 float:left;
 color:#fff;
 background-color:#D04528;
 height:50px;
 line-height:50px;
 cursor:default;
 padding:0px 20px;
 text-shadow:0px 0px 1px #fff;
 border-right:1px solid #DF7B61;
 border-left:1px solid #C44D37;
}
ul.ldd_menu .ldd_submenu{
 position:absolute;
 top:50px;
 width:550px;
 display:none;
 opacity:0.95;
 left:0px;
 font-size:10px;
 background: #C34328;
 border-top:1px solid #EF593B;
 -moz-box-shadow:0px 3px 4px #591E12 inset;
 -webkit-box-shadow:0px 3px 4px #591E12 inset;
 -box-shadow:0px 3px 4px #591E12 inset;
}
a.ldd_subfoot{
 background-color:#f0f0f0;
 color:#444;
 display:block;
 clear:both;
 padding:15px 20px;
 text-transform:uppercase;
 font-family: Arial, serif;
 font-size:12px;
 text-shadow:0px 0px 1px #fff;
 -moz-box-shadow:0px 0px 2px #777 inset;
 -webkit-box-shadow:0px 0px 2px #777 inset;
 -box-shadow:0px 0px 2px #777 inset;
}
ul.ldd_menu ul{
 list-style:none;
 float:left;
 border-left:1px solid #DF7B61;
 margin:20px 0px 10px 30px;
 padding:10px;
}
li.ldd_heading{
 font-family: Georgia, serif;
 font-size: 13px;
 font-style: italic;
 color:#FFB39F;
 text-shadow:0px 0px 1px #B03E23;
 padding:0px 0px 10px 0px;
}
ul.ldd_menu ul li a{
 font-family: Arial, serif;
 font-size:10px;
 line-height:20px;
 color:#fff;
 padding:1px 3px;
}
ul.ldd_menu ul li a:hover{
 -moz-box-shadow:0px 0px 2px #333;
 -webkit-box-shadow:0px 0px 2px #333;
 box-shadow:0px 0px 2px #333;
 background:#AF412B;
}
 </style>
 </head>
 <body>
 <h1>UI Elements</h1>
 <div class="box">
  <h2>Large Drop Down Menu Demo</h2>
  <ul id="ldd_menu" class="ldd_menu">
  <li>
   <span>Vacations</span><!-- Increases to 510px in width-->
   <div class="ldd_submenu">
   <ul>
    <li class="ldd_heading">By Location</li>
    <li><a href="#">South America</a></li>
    <li><a href="#">Antartica</a></li>
    <li><a href="#">Africa</a></li>
    <li><a href="#">Asia and Australia</a></li>
    <li><a href="#">Europe</a></li>
   </ul>
   <ul>
    <li class="ldd_heading">By Category</li>
    <li><a href="#">Sun & Beach</a></li>
    <li><a href="#">Adventure</a></li>
    <li><a href="#">Science & Education</a></li>
    <li><a href="#">Extreme Sports</a></li>
    <li><a href="#">Relaxing</a></li>
    <li><a href="#">Spa and Wellness</a></li>
   </ul>
   <ul>
    <li class="ldd_heading">By Theme</li>
    <li><a href="#">Paradise Islands</a></li>
    <li><a href="#">Cruises & Boat Trips</a></li>
    <li><a href="#">Wild Animals & Safaris</a></li>
    <li><a href="#">Nature Pure</a></li>
    <li><a href="#">Helping others & For Hope</a></li>
    <li><a href="#">Diving</a></li>
   </ul>
   <a class="ldd_subfoot" href="#"> + New Deals</a>
   </div>
  </li>
  <li>
   <span>Equipment</span>
   <div class="ldd_submenu">
   <ul>
    <li class="ldd_heading">By Location</li>
    <li><a href="#">South America</a></li>
    <li><a href="#">Antartica</a></li>
    <li><a href="#">Africa</a></li>
    <li><a href="#">Asia and Australia</a></li>
    <li><a href="#">Europe</a></li>
   </ul>
   <ul>
    <li class="ldd_heading">By Category</li>
    <li><a href="#">Sun & Beach</a></li>
    <li><a href="#">Adventure</a></li>
    <li><a href="#">Science & Education</a></li>
    <li><a href="#">Extreme Sports</a></li>
    <li><a href="#">Relaxing</a></li>
    <li><a href="#">Spa and Wellness</a></li>
   </ul>
   <ul>
    <li class="ldd_heading">By Theme</li>
    <li><a href="#">Paradise Islands</a></li>
    <li><a href="#">Cruises & Boat Trips</a></li>
    <li><a href="#">Wild Animals & Safaris</a></li>
    <li><a href="#">Nature Pure</a></li>
    <li><a href="#">Helping others & For Hope</a></li>
    <li><a href="#">Diving</a></li>
   </ul>
   <a class="ldd_subfoot" href="#"> + New Deals</a>
   </div>
  </li>
  <li>
   <span>Locations</span>
   <div class="ldd_submenu">
   <ul>
    <li class="ldd_heading">By Location</li>
    <li><a href="#">South America</a></li>
    <li><a href="#">Antartica</a></li>
    <li><a href="#">Africa</a></li>
    <li><a href="#">Asia and Australia</a></li>
    <li><a href="#">Europe</a></li>
   </ul>
   <ul>
    <li class="ldd_heading">By Category</li>
    <li><a href="#">Sun & Beach</a></li>
    <li><a href="#">Adventure</a></li>
    <li><a href="#">Science & Education</a></li>
    <li><a href="#">Extreme Sports</a></li>
    <li><a href="#">Relaxing</a></li>
    <li><a href="#">Spa and Wellness</a></li>
   </ul>
   <ul>
    <li class="ldd_heading">By Theme</li>
    <li><a href="#">Paradise Islands</a></li>
    <li><a href="#">Cruises & Boat Trips</a></li>
    <li><a href="#">Wild Animals & Safaris</a></li>
    <li><a href="#">Nature Pure</a></li>
    <li><a href="#">Helping others & For Hope</a></li>
    <li><a href="#">Diving</a></li>
   </ul>
   <a class="ldd_subfoot" href="#"> + New Deals</a>
   </div>
  </li>
  </ul>
 </div>
 <!-- The JavaScript -->
 <script type="text/javascript" src="jquery-1.6.2.min.js"></script>
 <script type="text/javascript">
 $(function() {
  /**
   * the menu
   */
  var $menu = $('#ldd_menu');
  /**
   * for each list element,
   * we show the submenu when hovering and
   * expand the span element (title) to 510px
   */
  $menu.children('li').each(function(){
   var $this = $(this);
   var $span = $this.children('span');
   $span.data('width',$span.width());
   $this.bind('mouseenter',function(){
   $menu.find('.ldd_submenu').stop(true,true).hide();
   $span.stop().animate({'width':'510px'},300,function(){
    $this.find('.ldd_submenu').slideDown(300);
   });
   }).bind('mouseleave',function(){
   $this.find('.ldd_submenu').stop(true,true).hide();
   $span.stop().animate({'width':$span.data('width')+'px'},300);
   });
  });
 });
 </script>
 </body>
</html>

希望本文所述对大家的jquery程序设计有所帮助。