http://pc.21edu8.com/html/wangyetexiao/cenghebuju/20120805/15500.html
绝对定位技术实现的标签显示特效，利用jquery点击收起、点击显示的效果，网页打开后，默认是展开的，点击浮动层的底部就会合拢，然后出现另一个控件层，再次点击则展开前一个效果。
<!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>一个可以收缩展开的页面标签效果</title> <style type="text/css"> ul,li{ margin:0px; padding:0px; list-style:none;} .tagbox{ 100px; height:auto; border:1px solid #CCCCCC; POSITION:fixed;_position:absolute; _margin-top:expression(document.documentElement.clientHeight-this.style.pixelHeight+document.documentElement.scrollTop); z-index:99; right:0px; bottom:25px; background-color:#FFFFFF; -webkit-border-radius:5px;-moz-border-radius:5px;border-radius:5px;} .tag{ 80px; height:auto; padding:5px 10px;} .tag span{ 80px; height:30px; display:block; line-height:30px; color:#006600; font-size:12px;} .tag li{ 80px; height:24px; line-height:24px; font-size:12px; overflow:hidden;} .tag li a{ color:#336699;} .tag li a:hover{ text-decoration:underline; color: #FF0000;} .guanbi{100px; height:26px; background-color: #F0F0F0; line-height:26px; font-size:12px; text-align:center; -webkit-border-radius:0px 0px 5px 5px;-moz-border-radius:0px 0px 5px 5px;border-radius:0px 0px 5px 5px;} .guanbi a{ color:#666666; text-decoration:none;} .zhangkai{ 20px; height:auto; padding:10px 5px; line-height:20px; font-size:14px; text-align:center;-webkit-border-radius:5px 0px 0px 5px;-moz-border-radius:5px 0px 0px 5px;border-radius:5px 0px 0px 5px; border:1px solid #CCCCCC; POSITION:fixed;_position:absolute; _margin-top:expression(document.documentElement.clientHeight-this.style.pixelHeight+document.documentElement.scrollTop); z-index:100; right:0px; bottom:50px; background-color:#FFFFFF; display:none;} .zhangkai a{color:#006600; text-decoration:none;} .xx{ height:1000px;} </style> <script type="text/javascript" src="http://jqueryjs.googlecode.com/files/jquery-1.2.6.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $(".guanbi a").click(function(){ $(".tagbox").hide(); $(".zhangkai").show(); return false; }); $(".zhangkai").click(function(){ $(".zhangkai").hide(); $(".tagbox").show(500); return false; }); }); </script> </head> <body> <div class="tagbox"> <div class="tag"> <span>热门标签...</span> <ul> <li><a href='/' target="_blank">Ajax</a></li> <li><a href='/' target="_blank">无刷新</a></li> <li><a href='/' target="_blank">EXT</a></li> <li><a href='/' target="_blank">淘宝客</a></li> <li><a href='/' target="_blank">Delphi</a></li> <li><a href='/' target="_blank">治理系统</a></li> <li><a href='/' target="_blank">社区系统</a></li> <li><a href='/' target="_blank">留言本</a></li> <li><a href='/' target="_blank">静态新闻</a></li> </ul> </div> <div class="guanbi"><a href="/" target="_blank">点击封闭</a></div> </div> <div class="zhangkai"><a href="#">热门标签</a></div> <div class="xx"></div> </body> </html>