本文实例讲述了jQuery+css实现的蓝色水平二级导航菜单效果。分享给大家供大家参考。具体如下：
这是一款蓝色经典的jQuery+CSS实现水平二级导航菜单，相信你会喜欢的，蓝色，超级经典的一种风格，从其它网站上扣下来的，我认为很不错，赶紧分享给大家吧。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/js-css-blue-line-2level-nav-menu-codes/
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> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>蓝色水平二级导航菜单</title> <style> *{ font-size:12px; font-family:Tahoma, Verdana, Arial, Helvetica, sans-serif; } body{ margin:0; padding:0; background:white; } img{ border:0; } a:link,a:visited,a:active{ text-decoration:none; } a:hover{ text-decoration:underline; } /********** header **********/ .header{ width:100%; background:url(images/header_bg.gif) #ffffff repeat-x 0 0; text-align:center; } .header .padder{ width:910px; margin:0 auto; background:url(images/header_bg.gif) #ffffff repeat-x 0 0; padding-bottom:4px; text-align:left; } .header .padder .nav{ background:url(images/vertical.gif) repeat-x 0 -36px; height:36px; } .header .padder .navLeftBg{ background:urlvertical.gif) no-repeat 0 0; height:36px; } .header .padder .navRightBg{ background:url(images/icons.gif) no-repeat right -146px; height:36px; } .header .padder .nav .mainNav{ padding-left:24px; position:absolute; } .header .padder .nav .mainNav a:link,.header .padder .nav .mainNav a:visited,.header .padder .nav .mainNav a:active{ width:90px; height:36px; display:inline-block; text-align:center; color:#ffffff; font-weight:bold; font-size:14px; line-height:36px; margin-left:11px; } .header .padder .nav .mainNav a:hover{ text-decoration:none; } .header .padder .nav .mainNav a.actived:link,.header .padder .nav .mainNav a.actived:visited,.header .padder .nav .mainNav a.actived:hover,.header .padder .nav .mainNav a.actived:active{ background:url(images/icons.gif) no-repeat 0 -27px; color:#000000; } .header .padder .secondNav{ line-height:21px; text-align:left; } .header .padder .secondNav a{ color:#266392; display:inline-block; padding:0 8px; margin-right:19px; } .header .padder .secondNav a.actived{ font-weight:bold; } .header .padder .secondNav .subNav1{ display:none; } .header .padder .secondNav .subNav2{ padding-left:150px;display:none; } .header .padder .secondNav .subNav3{ padding-left:250px;display:none; } .header .padder .secondNav .subNav4{ padding-left:350px;display:none; } .header .padder .secondNav .subNav5{ padding-left:450px;display:none; } .header .padder .secondNav .subNav6{ padding-left:550px;display:none; } .header .padder .secondNav .subNav7{ padding-left:650px;display:none; } </style> <script language="javascript" type="text/javascript" src="jquery1.3.2.js"></script> <script language="javascript" type="text/javascript"> $(document).ready(function(){ $(".mainNav a").mouseover(function(){ $(".mainNav a").attr("class",""); $("#"+this.id).attr("class","actived"); var currentMenuNo = parseInt(this.id.substring(1)); $(".secondNav div").each(function(){ $(this).hide(); $("#subNav"+currentMenuNo).show(); }); }); }); </script> </head> <body> <div> <div> <div> <div> <div> <div> <a href="#" id="n1">首页</a> <a href="#" id="n2">ASP源码</a> <a href="#" id="n3">PHP源码</a> <a href="#" id="n4">.NET源码</a> <a href="#" id="n5">HTML源码</a> <a href="#" id="n6">工具软件</a> <a href="#" id="n7">脚本源码</a> </div> </div> </div> </div> <div> <div id="subNav2"> <a href="#">社区论坛</a> <a href="#">全站CMS</a> <a href="#">企业网站</a> </div> <div id="subNav3"> <a href="#">社区论坛</a> <a href="#">全站CMS</a> <a href="#">企业网站</a> </div> <div id="subNav4"> <a href="#">社区论坛</a> <a href="#">全站CMS</a> <a href="#">企业网站</a> </div> <div id="subNav5"> <a href="#">社区论坛</a> <a href="#">全站CMS</a> <a href="#">企业网站</a> </div> <div id="subNav6"> <a href="#">社区论坛</a> <a href="#">全站CMS</a> <a href="#">企业网站</a> </div> <div id="subNav7"> <a href="#">社区论坛</a> <a href="#">全站CMS</a> <a href="#">企业网站</a> </div> </div> </div> </div> </body> </html>
希望本文所述对大家的jquery程序设计有所帮助。