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本文实例讲述了JS+CSS简单树形菜单实现方法。分享给大家供大家参考。具体如下:

这是一款不错的CSS树形菜单,树状列表,当然不全是CSS实现,部分功能还使用了JavaScript代码进行配合,删减了修饰用的菜单图片,大家用的时候自己图片加进去,IMG标签大部分都预留了出来,稍懂Html语法的朋友很容易就看懂的。

运行效果截图如下:

JS+CSS简单树形菜单实现方法

在线演示地址如下:

http://demo.jb51.net/js/2015/js-css-simple-tree-menu-style-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>
<title>树状列表</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
<style>
*{margin:0px;padding:0px;}
A:link{color: #000000; TEXT-DECORATION: none;}
A:visited {COLOR: #000000; TEXT-DECORATION: none}
A:active {COLOR: #3333ff; TEXT-DECORATION: none}
A:hover {COLOR: #ff0000; TEXT-DECORATION: none}
.panel{ BACKGROUND: #DDE4EA; COLOR:#654125;}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
img{
  border:0px;
  width:16px;
  height:16px;
}
#menu{
  margin-top: 0px;
}
.U1 {
  background: #FFFFFF;
  border-bottom:1px #9D9D9D solid;
}
.L1 a:link, .L1 a:visited{
  color: #476074;
  background: url("");
  font-size:9pt;
  display: block;
  text-decoration: none;
  height: 24px;
}
.L1 a:link span, .L1 a:visited span{
 background: url("") no-repeat left;
 padding-left: 15px;
 height:24px;
 vertical-align:middle;
 padding:7px 0px 0px 16px;
 cursor:pointer;
 width:100%;
}
.L1 a:hover{
  color: #000000;
  font-weight:bold;
  background: url("");
  background-position: 0 -24px;
}
/* 一级菜单 active 效果 */
.L1 a:link.active, .L1 a:hover.active, .L1 a:active.active, .L1 a:visited.active{
  background: url("");
  background-position: 0 -24px;
}
.L1 a:link.active span, .L1 a:hover.active span, .L1 a:active.active span, .L1 a:visited.active span{
  color: #000000;
  font-weight:bold;
  background: url("") no-repeat left;
}
.L21 a:link, .L21 a:visited, .L22 a:link, .L22 a:visited, .L3 a:link, .L3 a:visited{
  color: #444659;
  background: none;
  height: 24px;
  font-size:9pt;
  display: block;
  text-decoration: none;
  padding-left: 13px;
  background: none;
}
.L21 a:link span, .L21 a:visited span, .L22 a:link span, .L22 a:visited span, .L3 a:link span, .L3 a:visited span{
 vertical-align:middle;
 padding:7px 0px 0px 16px;
 background: url("") no-repeat left center;
 cursor:pointer;
 width:100%;
}
.L22 a:link span, .L22 a:visited span, .L3 a:link span, .L3 a:visited span{
 background:none;
}
.L21 a:hover, .L22 a:hover, .L3 a:hover{
  background: url("") no-repeat top left;
  font-weight:bold;
}
.L3 a:link span, .L3 a:visited span{
  padding:7px 0px 0px 26px;
}
.L4 a:link span, .L4 a:visited span{
  padding:7px 0px 0px 36px;
}
/* 二级菜单 active 效果 */
.L21 a:link.active, .L21 a:hover.active, .L21 a:active.active, .L21 a:visited.active{
  background: none;
}
.L21 a:link.active span, .L21 a:hover.active span, .L21 a:active.active span, .L21 a:visited.active span{
  color: #000000;
  font-weight:bold;
  background: url("") no-repeat left center;
}
/* 二、三级菜单 active */
.L22 a:link.active, .L22 a:hover.active, .L22 a:active.active, .L22 a:visited.active,
.L3 a:link.active, .L3 a:hover.active, .L3 a:active.active, .L3 a:visited.active{
  background: url("") no-repeat left;
  background-position: 0 -24px;
}
.L22 a:link.active span, .L22 a:hover.active span, .L22 a:active.active span, .L22 a:visited.active span,
.L3 a:link.active span, .L3 a:hover.active span, .L3 a:active.active span, .L3 a:visited.active span{
  color: #FFFFFF;
  font-weight:bold;
  background: none;
}
.Ls{
  text-align:right;
  padding-top:4px;
  height:20px;
  font-size:9pt;
}
.setting:link, .setting:visited{
  text-decoration: underline;
  display:block;
}
</style>
</head>
<body class="panel" onLoad="init();">
<div id="sub_tabs" class="sub_tabs"></div>
 <div id="body">
 <!-- OA树开始-->
<ul id="menu"> 
<!--路政报表菜单 -->
<li class="L1"><a href="javascript:c('m01');" id="m01"><span><img src="/UploadFiles/2021-04-02/">

希望本文所述对大家的JavaScript程序设计有所帮助。

标签:
JS,CSS,树形菜单

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