Div+CSS+JS树型菜单

来源：互联网发布：知乎员工数量编辑：程序博客网时间：2024/04/30 04:47
在网上找了一个Div+CSS+JS树型菜单，测试了一下在FF下有点问题，但是基本的功能都有了，收藏一下，学习学习。
<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>Div+CSS+JS树型菜单，可刷新</title><style type="text/css"><!--*{margin:0;padding:0;border:0;}body {        font-family: arial, 宋体, serif;        font-size:12px;}#nav {        width:180px;     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 {        width: 160px;         display: block;        padding-left:20px;        /*Width(一定要)，否则下面的Li会变形*/}#nav li {        background:#CCC; /*一级目录的背景色*/        border-bottom:#FFF 1px solid; /*下面的一条白边*/        float:left;        /*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{        background:#CC0000;        /*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{               background: #EBEBEB; /*二级目录的背景色*/}#nav li ul a{          padding-left:20px;          width:160px;        /* 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 a:hover {        color:#F3F3F3;        text-decoration:none;        font-weight:normal;        background:#CC0000;        /* 二级onmouseover的字体颜色、背景色*/}/*==============================*/#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></head><body><div id="PARENT"><ul id="nav"><li><a href="#Menu=ChildMenu1" id="my_site"   onclick="DoMenu('ChildMenu1')">我的网站</a>        <ul id="ChildMenu1" class="collapsed">        <li><a href="#">www.netany.net</a></li>         <li><a href="#">www.netany.net</a></li>        <li><a href="#">www.netany.net</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="#">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="#">在线招领</a></li>        <li><a href="#">历史帐务</a></li>        </ul></li><li><a href="#Menu=ChildMenu3" onclick="DoMenu('ChildMenu3')">网站管理</a>        <ul id="ChildMenu3" class="collapsed">        <li><a href="#">登录</a></li>        <li><a href="#">管理</a></li>        <li><a href="#">管理</a></li>        <li><a href="#">管理</a></li>        </ul></li></ul></div></body></html><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 (_paramArr.length>0)               {                      var _arr = new Array(_paramArr.length);               }                             //取所有#后面的，菜单只需用到Menu               //for (var i = 0; i < _paramArr.length; i++)               {                      var _paramKeyVal = _paramArr[i].split('=');                                           if (_paramKeyVal.length>0)                      {                             _arr[_paramKeyVal[0]] = _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();var my_site_obj=document.getElementById("my_site");my_site_obj.onclick();--></script>