jQuery+css实现的蓝色水平二级导航菜单效果代码

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 class="header">
 <div class="padder">
  <div class="nav">
   <div class="navLaftBg">
    <div class="navRightBg">
     <div class="mainNav">
      <a href="#" id="n1" class="actived">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 class="secondNav">
   <div id="subNav2" class="subNav2">
    <a href="#" class="actived">社区论坛</a>
    <a href="#">全站CMS</a>
    <a href="#">企业网站</a>
   </div>
   <div id="subNav3" class="subNav3">
    <a href="#" class="actived">社区论坛</a>
    <a href="#">全站CMS</a>
    <a href="#">企业网站</a>
   </div>
   <div id="subNav4" class="subNav4">
    <a href="#" class="actived">社区论坛</a>
    <a href="#">全站CMS</a>
    <a href="#">企业网站</a>
   </div>
   <div id="subNav5" class="subNav5">
    <a href="#" class="actived">社区论坛</a>
    <a href="#">全站CMS</a>
    <a href="#">企业网站</a>
   </div>
   <div id="subNav6" class="subNav6">
    <a href="#" class="actived">社区论坛</a>
    <a href="#">全站CMS</a>
    <a href="#">企业网站</a>
   </div>
   <div id="subNav7" class="subNav7">
    <a href="#" class="actived">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。