效果图如下：
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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <style type="text/css"> #banner { position: relative; width: 478px; height: 286px; border: 1px solid #666; overflow: hidden; } #banner_list img { border: 0px; } #banner_bg { position: absolute; bottom: 0; background-color: #000; height: 30px; filter: Alpha(Opacity=30); opacity: 0.3; z-index: 1000; cursor: pointer; width: 478px; } #banner_info { position: absolute; bottom: 0; left: 5px; height: 22px; color: #fff; z-index: 1001; cursor: pointer } #banner_text { position: absolute; width: 120px; z-index: 1002; right: 3px; bottom: 3px; } #banner ul { position: absolute; list-style-type: none; filter: Alpha(Opacity=80); opacity: 0.8; z-index: 1002; margin: 0; padding: 0; bottom: 3px; right: 5px; } #banner ul li { padding: 0px 8px; float: left; display: block; color: #FFF; background: #6f4f67; cursor: pointer; border: 1px solid #333; } #banner ul li.on { background-color: #000; } #banner_list a { position: absolute; } <!-- 让四张图片都可以重叠在一起--> </style> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.8.0.js"></script> <script type="text/javascript"> var t = n =0, count; $(document).ready(function(){ count=$("#banner_list a").length; $("#banner_list a:not(:first-child)").hide(); $("#banner_info").html($("#banner_list a:first-child").find("img").attr('alt')); $("#banner_info").click(function(){window.open($("#banner_list a:first-child").attr('href'), "_blank")}); $("#banner li").click(function() { var i = $(this).text() -1;//获取Li元素内的值，即1，2，3，4 n = i; if (i >= count) return; $("#banner_info").html($("#banner_list a").eq(i).find("img").attr('alt')); $("#banner_info").unbind().click(function(){window.open($("#banner_list a").eq(i).attr('href'), "_blank")}) $("#banner_list a").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000); document.getElementById("banner").style.background=""; $(this).toggleClass("on"); $(this).siblings().removeAttr("class"); }); t = setInterval("showAuto()", 4000); $("#banner").hover(function(){clearInterval(t)}, function(){t = setInterval("showAuto()", 4000);}); }) function showAuto() { n = n >=(count -1) ?0 : ++n; $("#banner li").eq(n).trigger('click'); } </script> </head> <body> <div id="banner"> <div id="banner_bg"></div> <!--标题背景--> <div id="banner_info"></div> <!--标题--> <ul> <li class="on">1</li> <li>2</li> <li>3</li> <li>4</li> </ul> <div id="banner_list"> <a href="#" target="_blank"><img src="imgs/p1.jpg" title="jquery插件库1" alt="jquery插件库1"/></a> <a href="#" target="_blank"><img src="imgs/p2.jpg" title="jquery插件库2" alt="jquery插件库2"/></a> <a href="#" target="_blank"><img src="imgs/p3.jpg" title="jquery插件库3" alt="jquery插件库3"/></a> <a href="#" target="_blank"><img src="imgs/p1.jpg" title="jquery插件库4" alt="jquery插件库4"/></a> </div> </div> <script src="http://www.jq22.com/js/jq.js"></script> </body> </html>
文件结构如下：
