本文实例讲述了jQuery实现仿美橙互联两级导航菜单的方法。分享给大家供大家参考。具体实现方法如下：
<!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>仿美橙互联导航菜单</title>
<style>
body {
margin-left: 0px;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 0px;
}
a:link {
text-decoration: none;
}
a:visited {
text-decoration: none;
}
a:hover {
text-decoration: none;
}
a:active {
text-decoration: none;
}
#nav_wrap{margin:20px auto;}
#nav li{ text-align:center;font-size:12px;}
#nav_wrap { width:960px; overflow:hidden; }
#nav{ background:url(/jscss/demoimg/201011/nav_bg.gif) repeat-x; height:39px; position:relative; width:950px; margin:0 auto; }
#nav .l{ background:url(/jscss/demoimg/201011/navnbg.gif) no-repeat 0px 0px; height:39px; width:2px; float:left}
#nav .r{ background:url(/jscss/demoimg/201011/navnbg.gif) no-repeat -4px 0px; height:39px; width:2px; float:right}
#nav .bt_qnav { float:right; }
#nav .bt_qnav a{ width:31px; height:29px; line-height:39px;display:block;padding:9px 2px 0 0;}
#nav .c{ float:left;margin:0;padding:0}
#nav li { float:left; list-style:none; }
#nav li .v a{ width:83px;height:39px; line-height:33px; display:block; color:#FFF; background:url(/jscss/demoimg/201011/navnbg.gif) no-repeat -87px 6px; float:left; font-family:"Microsoft Yahei";}
#nav li .v a:hover,#nav li .v .sele{background:url(/jscss/demoimg/201011/navnbg.gif) no-repeat 0px -47px; color:#116406; line-height:42px; font-size:14px}
#nav .kind_menu { height:30px;*height:29px; line-height:30px;vertical-align:middle; position:absolute; top:37px;*top:39px; left:70px; width:880px; text-align:left; display:none; background:url(/jscss/demoimg/201011/nav_bg1.gif) repeat-x bottom; color:#656565; }
#nav .kind_menu a {color:#656565; float:left; text-align:center; width:90px; font-family:Arial, Helvetica, sans-serif;}
#nav .kind_menu a:hover { color:#ff4300; background:url(/jscss/demoimg/201011/navnbg.gif) no-repeat 1px -91px;*background:url(/jscss/demoimg/201011/navnbg.gif) no-repeat 1px -93px;}
#nav .kind_menu span { font-size:10px; color:#cecece; line-height:30px; *line-height:26px; float:left }
#tmenu{ background:url(/jscss/demoimg/201011/nav_bg1.gif) repeat-x bottom; height:28px; border-bottom:1px solid #eee; }
</style>
<SCRIPT src="/ajaxjs/jquery1.3.2.js" type="text/javascript"></SCRIPT>
</head>
<body style="text-align:center">
<DIV id=nav_wrap>
<DIV id=nav>
<DIV class=l></DIV>
<UL class=c>
<LI><SPAN class=v><A href="#" target="_blank">首页</A></SPAN>
<DIV class=kind_menu style="LEFT: 20px">欢迎访问美橙互联! </DIV></LI>
<LI><SPAN class=v><A href="#">特惠套餐</A></SPAN>
<DIV class=kind_menu style="LEFT: 40px"><A
href="#">电信套餐</A> <SPAN>|</SPAN> <A
href="#">双线套餐</A> </DIV></LI>
<LI><SPAN class=v><A href="#">域名频道</A></SPAN>
<DIV class=kind_menu><A href="#">英文域名</A>
<SPAN>|</SPAN> <A href="#">中文域名</A>
<SPAN>|</SPAN> <A href="#">通用网址</A> <SPAN>|</SPAN>
<A href="#">价格列表</A>
<SPAN>|</SPAN> <A href="#" target=_blank>域名交易</A>
<SPAN>|</SPAN> <A href="#">相关帮助</A>
<SPAN>|</SPAN> <A href="#">智能加速</A> </DIV></LI>
</UL>
<DIV class=r></DIV>
</DIV><!--nav-->
<DIV id=tmenu></DIV>
</DIV><!--nav_wrap-->
<SCRIPT type=text/javascript>
var site_url = window.location.href.toLowerCase();
switch (true) {
default :
$("#nav li").attr("class","");
$("#nav li").eq(0).attr("class","nav_lishw");
$(".nav_lishw .v a").attr("class","sele");
$(".nav_lishw .kind_menu").show();
}
$("#nav li").hover(
function(){
clearTimeout(setTimeout("0")-1);
$("#nav .kind_menu").hide();
$("#nav li .v .sele").attr("class","shutAhover");
$(this).attr("id","nav_hover")
$("#nav_hover .v a").attr("class","sele");
$("#nav_hover .kind_menu").show();
},
function(){
if($(this).attr("class") != "nav_lishw"){
$("#nav_hover .v .sele").attr("class","");
$("#nav_hover .kind_menu").hide();
}
$(this).attr("id","")
$("#nav li .v .shutAhover").attr("class","sele");
setTimeout(function(){
$(".nav_lishw .kind_menu").show();
$(".nav_lishw .v a").attr("class","sele");
},50);
}
);
</SCRIPT>
</body>
</html>
希望本文所述对大家的jQuery程序设计有所帮助。
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