树形菜单jquery,树形菜单代码

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怎么用jquery 写个树形菜单

!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ""

html xmlns=""

head

meta http-equiv="Content-Type" content="text/html; charset=utf-8" /

titlejquery的树形菜单代码 /title

style

body { font-family:"宋体"; font-size: 12px; line-height: 1.5em; color:#7FB0C8; padding:0; margin:0; background: #336699;}

ul,ol,li,dl,dt,dd { margin:0; padding:0; list-style-type:none;}

h1,h2,h3,form,input,iframe,span { margin:0; padding:0;}

a { color:#7FB0C8;}

a:link {color: #7FB0C8; TEXT-DECORATION: none;}

a:visited {color: #7FB0C8; TEXT-DECORATION: none;}

a:hover {color: #fff; TEXT-DECORATION: none;}

.white { color:#fff;}

.white a:link {color: #fff; TEXT-DECORATION: none;}

.white a:visited {color: #fff; TEXT-DECORATION: none;}

.white a:hover {color: #73E1F5; TEXT-DECORATION: none;}

/* 树形菜单开始 */

.close { float:right; clear:right; font-size:12px; font-weight:normal; cursor:pointer; padding-right:10px;}

.title { font-size:14px; color:#fff; margin-bottom:10px; padding-left:5px; width:290px;}

.menu { width:290px; height:330px; overflow-y:auto; overflow-x:hidden; margin-bottom:10px;}

.menu { SCROLLBAR-FACE-COLOR: #002537; SCROLLBAR-HIGHLIGHT-COLOR: #002537; SCROLLBAR-SHADOW-COLOR: #0E6893; SCROLLBAR-3DLIGHT-COLOR: #0E6893; SCROLLBAR-ARROW-COLOR: #fff; SCROLLBAR-TRACK-COLOR: #053d58;SCROLLBAR-DARKSHADOW-COLOR: #002537; SCROLLBAR-BASE-COLOR: #01152a;}

.l1 { background:#000; font-size:13px; padding:5px 0 0 30px; height:20px; margin-bottom:5px; cursor:pointer;}

.slist { margin:0 0 5px 0; display:none;}

.l2 { padding:0 0 0 35px; font-size:13px;}

.l2 a { padding:6px 0 0 5px; width:230px; height:21px; display:block;}

.currentl2 a,.l2 a:hover { background:#1E5A82; color:#fff;}

.sslist { background:#156890; width:235px; overflow:hidden; margin:0 0 5px 35px; display:none;}

.l3 a { padding:6px 0 0 5px; width:230px; height:20px; display:block;}

.currentl3 a,.l3 a:hover { color:#fff; font-weight:bold;}

/style

script type="text/javascript" src="/ajaxjs/jquery1.3.2.js"/script

script

// 树状菜单

$(document).ready(function(){

$(".l1").toggle(function(){

$(".slist").animate({height: 'toggle', opacity: 'hide'}, "slow");

$(this).next(".slist").animate({height: 'toggle', opacity: 'toggle'}, "slow");

},function(){

$(".slist").animate({height: 'toggle', opacity: 'hide'}, "slow");

$(this).next(".slist").animate({height: 'toggle', opacity: 'toggle'}, "slow");

});

$(".l2").toggle(function(){

$(this).next(".sslist").animate({height: 'toggle', opacity: 'toggle'}, "slow");

},function(){

$(this).next(".sslist").animate({height: 'toggle', opacity: 'toggle'}, "slow");

});

$(".l2").click(function(){

$(".l3").removeClass("currentl3");

$(".l2").removeClass("currentl2");

$(this).addClass("currentl2");

});

$(".l3").click(function(){

$(".l3").removeClass("currentl3");

$(this).addClass("currentl3");

});

$(".close").toggle(function(){

$(".slist").animate({height: 'toggle', opacity: 'hide'}, "fast");

$(".sslist").animate({height: 'toggle', opacity: 'hide'}, "fast");

},function(){

$(".slist").animate({height: 'toggle', opacity: 'show'}, "fast");

$(".sslist").animate({height: 'toggle', opacity: 'show'}, "fast");

});

/script

/head

body

h1 class="title"span class="close"全部收起/展开/span树形菜单/h1

div class="menu"

h1 class="l1"一级菜单/h1

div class="slist"