CSS + Div + JS 二级菜单
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DIV+CSS+JS二级菜单</title>
<style type="text/css">
<!--
* {
margin:0;
padding:0;
border:0;
}
body {
background-color: #636562
}
#nav {
line-height: 24px;
list-style-type: none;
text-align:left;/*定义整个ul菜单的行高和背景色*/
}
/*==================一级目录===================*/
#nav a {
font-family: Arial;
font-size:11px;
color:white;
height:20px;
padding-left:20px;
font-weight:bold;
text-decoration:none;
padding-left:20px;/*Width(一定要)，否则下面的Li会变形*/
}
#nav li {
font-family: Arial;
font-size:11px;
color:white;
height:20px;
padding-left:20px;
font-weight:bold;
}
#nav li a:hover {
font-family: Arial;
font-size:11px;
color:white;
height:20px;
padding-left:20px;
font-weight:bold;
}
#nav a:link {
font-family: Arial;
font-size:11px;
color:#ff9c12;
height:20px;
padding-left:20px;
font-weight:bold;
}
#nav a:visited {
font-family: Arial;
font-size:11px;
color:w#ff9c12;
height:20px;
padding-left:20px;
font-weight:bold;
}
#nav a:hover {
font-family: Arial;
font-size:11px;
color:#ff9c12;
height:20px;
padding-left:20px;
font-weight:bold;
}
/*==================二级目录===================*/
#nav li ul {
list-style:none;
text-align:left;
}
#nav li ul li {
}
#nav li ul a {
font-family:Arial;
font-weight:Normal;
font-size:11px;
color:white;
height:20px;
FONT-STYLE: normal;
FONT-VARIANT: normal
}
/*下面是二级目录的链接样式*/
#nav li ul a:link {
font-family:Arial;
font-weight:Normal;
font-size:11px;
color:#c2c2c2;
height:20px;
FONT-STYLE: normal;
FONT-VARIANT: normal
}
#nav li ul a:visited {
font-family:Arial;
font-weight:Normal;
font-size:11px;
color:#c2c2c2;
height:20px;
FONT-STYLE: normal;
FONT-VARIANT: normal
}
#nav li ul a:hover {
font-family:Arial;
font-weight:Normal;
font-size:11px;
color:#ff9900;
height:20px;
FONT-STYLE: normal;
FONT-VARIANT: normal
}
/*==================三级目录===================*/
ul.third {
padding-left:0px;
width:181px;
background:#000000!important;
color:#FF0000;
text-decoration:none;
}
/*==============================*/
#nav li:hover ul {
left: auto;
}
#nav li.sfhover ul {
left: auto;
}
#content {
clear: left;
}
#nav ul.collapsed {
display: none;
}
-->
#PARENT {
width:181px;
}
</style>
</head>
<body>
<div id="PARENT">
<ul id="nav">
<li><a href="#Menu=ChildMenu1" onclick="DoMenu('ChildMenu1')">General Servers </a>
<ul id="ChildMenu1" class="collapsed">
<li><a href="code/city.do" target="mainFrame">System Board </a></li>
<li><a href="code/saltUsage.do" target="mainFrame">1U Rackmount </a></li>
</ul>
</li>
<li><a href="#Menu=ChildMenu2" onclick="DoMenu('ChildMenu2')">Blade Servers</a>
<ul id="ChildMenu2" class="collapsed">
<li><a href="city/cityStore.do" target="mainFrame">IB4002</a></li>
<li><a href="city/planTransport.do" target="mainFrame">IB4000</a></li>
<li><a href="hello.jsp" target="mainFrame">ATCA</a></li>
</ul>
</li>
<li><a href="#Menu=ChildMenu3" onclick="DoMenu('ChildMenu3')">Storage</a>
<ul id="ChildMenu3" class="collapsed">
<li><a href="hello.jsp" target="mainFrame">SAN Storage</a></li>
<li><a href="hello.jsp" target="mainFrame">Server Storage</a></li>
<li><a href="hello.jsp" target="mainFrame">JBOD</a></li>
</ul>
</li>
</ul>
</div>
</body>
</html>
<script type=text/javascript>
<!--
var lastThirdElemnet;
var LastLeftID = "";
function changeSubStyle(obj) {
var objSubChild = obj.parentNode.getElementsByTagName("ul")[0];
var isDisplay = objSubChild.style.display == "none";
objSubChild.style.display = isDisplay ? "block" : "none";
if (lastThirdElemnet != null) {
lastThirdElemnet.style.display = "none";
lastThirdElemnet = null;
}
if (isDisplay) {
lastThirdElemnet = objSubChild;
}
}
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);
if (obj != null) {
obj.className = (obj.className.toLowerCase() == "expanded" ? "collapsed" : "expanded");
}
//关闭上一个Menu
if ((LastLeftID != "") && (emid != LastLeftID)) {
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(); //*这两个function的顺序要注意一下，不然在Firefox里GetMenuID()不起效果
menuFix();
-->
</script>
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