後臺左側菜單，背景顏色以及長寬都可以改，代碼裏有註釋，本菜單可廣泛應用於網站後臺管理的左側，作爲主菜單，簡潔風格，優點是修改容易，菜單項直接寫在HTML裏，而非JS文件裏
<!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>後臺專用樹型菜單，可刷新-www.codefans.net </title>
<style type="text/css">
<!--
*{margin:0;padding:0;border:0;}
body {
font-size:12px;
}
#nav {
width:190px;
line-height: 18px;
list-style-type: none;
text-align:left;
}
#nav a {
width: 190px;
display: block;
padding-left:20px;
/*Width(一定要)，否則下面的Li會變形*/
}
#nav li {
background:#bbde79; /*一級目錄的背景色*/
float:left;
BORDER-RIGHT: #8c8c8c 1px solid;
BORDER-TOP: #dbfe99 1px solid;
FONT-WEIGHT: bold;
FONT-SIZE: 11px;
PADDING-BOTTOM: 2px;
BORDER-LEFT: #dbfe99 1px solid;
CURSOR: hand;
COLOR: black;
PADDING-TOP: 4px;
BORDER-BOTTOM: #8c8c8c 1px solid;
background: #BBDE78 url('http://www.codefans.net/images/default/star.gif') no-repeat left center;
/*float：left,本不應該設置，但由於在Firefox不能正常顯示
繼承Nav的width,限制寬度，li自動向下延伸*/
}
#nav li a:hover{
url('http://www.codefans.net/images/default/star.gif') no-repeat left center; /*一級目錄onMouseOver顯示的背景色*/
}
#nav a:link {
color:#666; text-decoration:none;
}
#nav a:visited {
color:#666;text-decoration:none;
}
#nav a:hover {
color:#FFF;text-decoration:none;font-weight:bold;
}
/*====www.codefans.net=====二級目錄=========*/
#nav li ul {
list-style:none;
text-align:left;
}
#nav li ul li{
BORDER-RIGHT: #cccccc 1px solid;
BORDER-TOP: white 1px solid;
FONT-SIZE: 11px;
PADDING-BOTTOM: 2px;
BORDER-LEFT: white 1px solid;
CURSOR: hand;
PADDING-TOP: 2px;
BORDER-BOTTOM: #cccccc 1px solid;
BACKGROUND-COLOR: #eeeeee; /*二級目錄的背景色*/
}
#nav li ul a{
padding-left:20px;
width:188px;
/* padding-left二級目錄中文字向右移動，但Width必須重新設置=(總寬度-padding-left)*/
}
/*下面是二級目錄的鏈接樣式*/
#nav li ul a:link {
color:#666; text-decoration:none;
}
#nav li ul a:visited {
color:#666;text-decoration:none;
}
#nav li ul li a:hover {
background:#d5d5d5;
text-decoration:none;
font-weight:normal;
}
/*
www.codefans.net */
#nav li:hover ul {
left: auto;
}
#nav li.sfhover ul {
left: auto;
}
#content {
clear: left;
}
#nav ul.collapsed {
display: none;
}
-->
#PARENT{
width:300px;
padding-left:20px;
}
</style>
<script type=text/javascript><!--
var LastLeftID = "";
function menuFix() {
var obj = document.getElementById("Nav").getElementsByTagName("li");
//
www.codefans.net
for (var i=0; i<obj.length; i++) {
obj[i].οnmοuseοver=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
obj[i].onMouseDown=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
obj[i].onMouseUp=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
obj[i].οnmοuseοut=function() {
this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
}
}
}
function DoMenu(emid)
{
var obj = document.getElementById(emid);
obj.className = (obj.className.toLowerCase() == "expanded"?"collapsed":"expanded");
if((LastLeftID!="")&&(emid!=LastLeftID)) //關閉上一個Menu
{
document.getElementById(LastLeftID).className = "collapsed";
}
LastLeftID = emid;
}
function GetMenuID()
{
var MenuID="";
var _paramStr = new String(window.location.href);
var _sharpPos = _paramStr.indexOf("#");
//
www.codefans.net
if (_sharpPos >= 0 && _sharpPos < _paramStr.length - 1)
{
_paramStr = _paramStr.substring(_sharpPos + 1, _paramStr.length);
}
else
{
_paramStr = "";
}
if (_paramStr.length > 0)
{
var _paramArr = _paramStr.split("&");
if (_paramArr.length>0)
{
var _paramKeyVal = _paramArr[0].split("=");
if (_paramKeyVal.length>0)
{
MenuID = _paramKeyVal[1];
}
}
}
if(MenuID!="")
{
DoMenu(MenuID)
}
}
GetMenuID(); //*function順序要注意，否則在Firefox裏GetMenuID()不起效果。
menuFix();
-->
</script>
</head>
<body>
<div id="PARENT">
<ul id="nav">
<li><a href="#Menu=ChildMenu1" οnclick="DoMenu('ChildMenu1')">我的網站</a>
<ul id="ChildMenu1" class="collapsed">
<li><a href="http://www.codefans.net" target="_blank">www.codefans.net</a></li>
<li><a href="http://www.codefans.net" target="_blank">www.codefans.net</a></li>
<li><a href="http://www.codefans.net" target="_blank">www.codefans.net</a></li>
</ul>
</li>
<li><a href="#Menu=ChildMenu2" οnclick="DoMenu('ChildMenu2')">我的帳務</a>
<ul id="ChildMenu2" class="collapsed">
<li><a href="http://www.codefans.net" target="_blank">支付</a></li>
<li><a href="http://www.codefans.net">網上支付</a></li>
<li><a href="http://www.codefans.net">登記匯款</a></li>
<li><a href="http://www.codefans.net">歷史帳務</a></li>
</ul>
</li>
<li><a href="#Menu=ChildMenu3" οnclick="DoMenu('ChildMenu3')">網站管理</a>
<ul id="ChildMenu3" class="collapsed">
<li><a href="#">登錄</a></li>
<li><a href="http://www.codefans.net" target="_blank">管理</a></li>
<li><a href="#">管理</a></li>
<li><a href="#">管理</a></li>
</ul>
</li>
<li><a href="#Menu=ChildMenu4" οnclick="DoMenu('ChildMenu4')">網站管理</a>
<ul id="ChildMenu4" class="collapsed">
<li><a href="http://www.codefans.net">登錄</a></li>
<li><a href="www.codefans.net" target="_blank">管理</a></li>
<li><a href="http://www.codefans.net">管理</a></li>
<li><a href="http://www.codefans.net">管理</a></li>
</ul>
</li>
</ul>
</div>
</body>
</html>