带渐显效果的选项卡菜单，使用了jQuery共同完成的效果，鼠标点击选项卡之后，出现渐变（淡入淡出效果），让网页看上去更生动。
运行效果截图如下：
在线演示地址如下：
具体代码如下：
<!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> <title>带渐显效果的选项卡菜单</title> <meta http-equiv="content-type" content="text/html;charset=gb2312"> <style type="text/css"> body { background: #f0f0f0; margin: 0; padding: 0; font: 10px normal Verdana, Arial, Helvetica, sans-serif; color: #444; } h1 { font-size: 3em; margin: 20px 0; } .container { width: 500px; margin: 10px auto; } ul.tabs { margin: 0; padding: 0; float: left; list-style: none; height: 32px; border-bottom: 1px solid #999; border-left: 1px solid #999; width: 100%; } ul.tabs li { float: left; margin: 0; padding: 0; height: 31px; line-height: 31px; border: 1px solid #999; border-left: none; margin-bottom: -1px; background: #e0e0e0; overflow: hidden; position: relative; } ul.tabs li a { text-decoration: none; color: #000; display: block; font-size: 1.2em; padding: 0 20px; border: 1px solid #fff; outline: none; } ul.tabs li a:hover { background: #ccc; } html ul.tabs li.active, html ul.tabs li.active a:hover { background: #fff; border-bottom: 1px solid #fff; } .tab_container { border: 1px solid #999; border-top: none; clear: both; float: left; width: 100%; background: #fff; -moz-border-radius-bottomright: 5px; -khtml-border-radius-bottomright: 5px; -webkit-border-bottom-right-radius: 5px; -moz-border-radius-bottomleft: 5px; -khtml-border-radius-bottomleft: 5px; -webkit-border-bottom-left-radius: 5px; } .tab_content { padding: 20px; font-size: 1.2em; } .tab_content h2 { font-weight: normal; padding-bottom: 10px; border-bottom: 1px dashed #ddd; font-size: 1.8em; } .tab_content h3 a { color: #254588; } .tab_content img { float: left; margin: 0 20px 20px 0; border: 1px solid #ddd; padding: 5px; } </style> <script type="text/javascript" src="https://www.jb51.net/jquery-1.6.2.min.js"></script> <script type="text/javascript"> $(document).ready(function() { //Default Action $(".tab_content").hide(); //Hide all content $("ul.tabs li:first").addClass("active").show(); //Activate first tab $(".tab_content:first").show(); //Show first tab content //On Click Event $("ul.tabs li").click(function() { $("ul.tabs li").removeClass("active"); //Remove any "active" class $(this).addClass("active"); //Add "active" class to selected tab $(".tab_content").hide(); //Hide all tab content var activeTab = $(this).find("a").attr("href"); //Find the rel attribute value to identify the active tab + content $(activeTab).fadeIn(); //Fade in the active content return false; }); }); </script> </head> <body> <div> <ul> <li><a href="#tab1">tab1</a></li> <li><a href="#tab2">tab2</a></li> <li><a href="#tab3">tab3</a></li> <li><a href="#tab4">tab4</a></li> </ul> <div> <div> 111111111111111 </div> <div> 222222222222222 </div> <div> 333333333333333 </div> <div> 444444444444444 </div> </div> </div> </body> </html>