本文實例講述了jQuery+css實現的藍色水平二級導航菜單效果。分享給大家供大家參考。具體如下：
這是一款藍色經典的jQuery+CSS實現水平二級導航菜單，相信你會喜歡的，藍色，超級經典的一種風格，從其它網站上扣下來的，我認為很不錯，趕緊分享給大家吧。
運行效果截圖如下：
在線演示地址如下：
http://demo.VeVB.COm/js/2015/js-css-blue-line-2level-nav-menu-codes/
具體代碼如下：
<!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>藍色水平二級導航菜單</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">首頁</a> <a href="#" id="n2">ASP源碼</a> <a href="#" id="n3">PHP源碼</a> <a href="#" id="n4">.NET源碼</a> <a href="#" id="n5">HTML源碼</a> <a href="#" id="n6">工具軟件</a> <a href="#" id="n7">腳本源碼</a> </div> </div> </div> </div> <div class="secondNav"> <div id="subNav2" class="subNav2"> <a href="#" class="actived">社區論壇</a> <a href="#">全站CMS</a> <a href="#">企業網站</a> </div> <div id="subNav3" class="subNav3"> <a href="#" class="actived">社區論壇</a> <a href="#">全站CMS</a> <a href="#">企業網站</a> </div> <div id="subNav4" class="subNav4"> <a href="#" class="actived">社區論壇</a> <a href="#">全站CMS</a> <a href="#">企業網站</a> </div> <div id="subNav5" class="subNav5"> <a href="#" class="actived">社區論壇</a> <a href="#">全站CMS</a> <a href="#">企業網站</a> </div> <div id="subNav6" class="subNav6"> <a href="#" class="actived">社區論壇</a> <a href="#">全站CMS</a> <a href="#">企業網站</a> </div> <div id="subNav7" class="subNav7"> <a href="#" class="actived">社區論壇</a> <a href="#">全站CMS</a> <a href="#">企業網站</a> </div> </div> </div></div></body></html>希望本文所述對大家的jquery程序設計有所幫助。
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