纯js开发后台左侧菜单_袁志蒙个人博客

摘要：最近又在开发一套新的后台管理界面，用别人的代码，总感觉怪怪的，打算自己写。。。今日分享自己手写的纯js后台左侧菜单代码：
最近又在开发一套新的后台管理界面，用别人的代码，总感觉怪怪的，打算自己写。。。
今日分享自己手写的纯js后台左侧菜单代码：
<!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=utf-8">
<title>后台专用树型菜单</title>
<style type="text/css">

* {
	margin:0;
	padding: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)，否则下面的Li会变形*/
	
}
#nav li {
	background:#bbde79;
	/*一级目录的背景色*/
	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('') no-repeat left center;
	/*float：left,本不应该设置，但由于在Firefox不能正常显示	继承Nav的width,限制宽度，li自动向下延伸*/
	
}
#nav li a:hover {
	url('') no-repeat left center;
	/*一级目录onMouseOver显示的背景色*/
	
}
#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;
}
/*=======二级目录=========*/
	#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;
	/*二级目录的背景色*/
	
}
#nav li ul a {
	padding-left:20px;
	width:188px;
	/* padding-left二级目录中文字向右移动，但Width必须重新设置=(总宽度-padding-left)*/
	
}
/*下面是二级目录的链接样式*/
	#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;
}
#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");

	for (var i=0; i<obj.length; i++) {
		obj[i].onmouseover=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].onmouseout=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)) //关闭上一个Menu
	{
	document.getElementById(LastLeftID).className = "collapsed";
	}
	LastLeftID = emid;
}
function GetMenuID(){
	var MenuID="";
	var _paramStr = new String(window.location.href);
	var _sharpPos = _paramStr.indexOf("#");

	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顺序要注意，否则在Firefox里GetMenuID()不起效果。
menuFix();

</script>
</head>
<body>
<div id="parent">
	<ul id="nav">
	<li><a href="#Menu=ChildMenu1"  onclick="DoMenu('ChildMenu1')">我的网站</a>
		<ul id="ChildMenu1" class="collapsed">
			<li><a href="#" target="_blank">Menu</a></li>
			<li><a href="#" target="_blank">Menu</a></li>
		</ul>
	</li>
	<li><a href="#Menu=ChildMenu2" onclick="DoMenu('ChildMenu2')">我的帐务</a>
		<ul id="ChildMenu2" class="collapsed">
			<li><a href="#" target="_blank">支付</a></li>
			<li><a href="#">网上支付</a></li>
			<li><a href="#">登记汇款</a></li>
			<li><a href="#">历史帐务</a></li>
		</ul>
	</li>
	<li><a href="#Menu=ChildMenu3" onclick="DoMenu('ChildMenu3')">个人空间</a>
		<ul id="ChildMenu3" class="collapsed">
			<li><a href="#">登录</a></li>
			<li><a href="#">My相册</a></li>
			<li><a href="#">My日志</a></li>
		</ul>
	</li>
	<li><a href="#Menu=ChildMenu4" onclick="DoMenu('ChildMenu4')">系统设置</a>
		<ul id="ChildMenu4" class="collapsed">
			<li><a href="#">密码重置</a></li>
			<li><a href="#" target="_blank">用户管理</a></li>
			<li><a href="#">数据备份</a></li>
		</ul>
	</li>
	</ul>
</div>
</body>
</html>
随机内容
