CSS鼠标悬停菜单 图片交换技术实现_导航菜单

实际上，这里的图片在正常使用时完全可以用CSS代码来定义。

<title>使用图片交换技术制作CSS鼠标悬停菜单</title> <style type="text/css"> div#spritemenu { height: 50px; width: 400px; font-size: 9px; background-image: url(http://files.jb51.net/demoimg/200911/spritemenu.gif); overflow: hidden; } div#spritemenu ul li { display: inline; margin: 0px; padding: 0px; } div#spritemenu ul li a { display: block; position:relative; height: 50px; } div#spritemenu ul li a:hover { background-image: url(http://files.jb51.net/demoimg/200911/spritemenu.gif); } div#spritemenu ul { margin: 0px; padding: 0px; list-style-type:none; height: 50px; } div#spritemenu span { display: none; } div#spritemenu li.buttonA a {top: 0px; left: 0px; width: 80px; background-position: 0px 0px;} div#spritemenu li.buttonB a {top: -50px; left: 82px; width: 64px; background-position: -82px 0px;} div#spritemenu li.buttonC a {top: -100px; left: 148px; width: 76px; background-position: -148px 0px;} div#spritemenu li.buttonD a {top: -150px; left: 226px; width: 70px; background-position: -226px 0px;} div#spritemenu li.buttonE a {top: -200px; left: 298px; width: 102px; background-position: -298px 0px;} div#spritemenu li.buttonA a:hover {background-position: 0px -50px;} div#spritemenu li.buttonB a:hover {background-position: -82px -50px;} div#spritemenu li.buttonC a:hover {background-position: -148px -50px;} div#spritemenu li.buttonD a:hover {background-position: -226px -50px;} div#spritemenu li.buttonE a:hover {background-position: -298px -50px;} </style> <div id="spritemenu"> <ul> <li class="buttonA"><a href="#"><span>Home</span></a></li> <li class="buttonB"><a href="#"><span>About</span></a></li> <li class="buttonC"><a href="#"><span>Contact</span></a></li> <li class="buttonD"><a href="#"><span>Forum</span></a></li> <li class="buttonE"><a href="#"><span>Guestbook</span></a></li> </ul> </div>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]