用脚本语言实现树形菜单
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<title>树形菜单</title>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<link rel="stylesheet" href="http://code.jquery.com/ui/1.11.0/themes/smoothness/jquery-ui.css">
<script type="text/javascript" src ="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.8.0.js"></script>
<script src="http://code.jquery.com/ui/1.11.0/jquery-ui.js"></script>
<style type="text/css">
body,td,th {font-size: 14px;}
.leftmenu1 {font-weight: bold; cursor: hand; padding-top: 4px; height: 29px; text-align: left;}
.leftmenu2 {PADDING-LEFT:15px; height: 21px;text-align: left;}
div{ margin-top:90px; width:100%; text-align:center; }
</style>
</head>
<body>
<div>
<script language="JavaScript" type="text/javascript">
function Show(id,i_id){
var on_img="http://www.cbiw.com.cn/member/pic/ass04.gif";//打开时图片
var off_img="http://www.cbiw.com.cn/member/pic/ass03.gif";//隐藏时图片
var obj=document.getElementById('c_'+id);
if(obj.style.display=="none"){
obj.style.display="";
i_id.src=on_img;
//将子菜单Id放入Cookies
var curShow = readCookie('curShow');
if(curShow!='')
{
var arr_curShow = curShow.split(',');
var found = false;
for(i=0;i<arr_curShow.length-1;i++)
{
if(arr_curShow[i].toString()==id) {found=true;}
}
if(!found){writeCookie('curShow',curShow+','+id,12)}
}
else {
writeCookie('curShow',id,12)
}
//将子菜单Id放入Cookies End
}else{
obj.style.display="none";
i_id.src=off_img;
//将子菜单Id从Cookies中移除
var curShow = readCookie('curShow');
if(curShow!='')
{
var arr_curShow = curShow.split(',');
for(i=0;i<arr_curShow.length;i++)
{
if(arr_curShow[i].toString()==id) {arr_curShow=arr_curShow.del(i--);}
}
curShow = arr_curShow.join(',');
//alert(curShow);
writeCookie('curShow',curShow,12)
}
//将子菜单Id从Cookies中移除End
}
}
function readCookie(name)
{
var cookieValue = "";
var search = name + "=";
if(document.cookie.length > 0)
{
offset = document.cookie.indexOf(search);
if (offset != -1)
{
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
cookieValue = unescape(document.cookie.substring(offset, end))
}
}
return cookieValue;
}
function writeCookie(name, value, hours)
{
var expire = "";
if(hours != null)
{
expire = new Date((new Date()).getTime() + hours * 3600000);
expire = "; expires=" + expire.toGMTString();
}
document.cookie = name + "=" + escape(value) + expire;
}
Array.prototype.del=function(n) {
//n表示第几项，从0开始算起。
//prototype为对象原型，注意这里为对象增加自定义方法的方法。
if(n<0)
//如果n<0，则不进行任何操作。
return this;
else
return this.slice(0,n).concat(this.slice(n+1,this.length));
}
window.onload = function a()
{
var curShow = readCookie('curShow');
var totalShow = 5;
//自己修改一共有多少个二级分类
if(curShow!=''&&curShow!=null)
{
for(i=1;i<=totalShow;i++)
{
document.getElementById('c_'+i).display="none";
}
var arr_curShow;
arr_curShow = curShow.split(',');
for(i=0;i<=arr_curShow.length-1;i++)
{
if(arr_curShow[i]!=''){document.getElementById('c_'+arr_curShow[i]).style.display="";}
}
}
}
</script>
<table width="10%" border="0" align="center" cellpadding="0" cellspacing="0">
<tbody>
<tr> <td class="leftmenu1">
<a style="cursor: pointer" onclick="Show(1,img1)">
<img src="http://www.cbiw.com.cn/member/pic/ass03.gif" width="16" height="16" align="absmiddle" id="img1"/>
<span class="ft_white"> 个人资料</span></a>
</td></tr> </tbody>
<tbody id="c_1" style="display: none">
<tr> <td class="leftmenu2">
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9" height="9" />
<a href="#">基本信息</a>
</td></tr>
<tr> <td class="leftmenu2">
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">修改密码</a>
</td></tr> </tbody>
<tbody>
<tr> <td class="leftmenu1">
<a style="cursor: pointer" onclick="Show(2,img2)">
<img src="http://www.cbiw.com.cn/member/pic/ass03.gif" width="16" height="16" align="absmiddle" id="img2"/>
<span class="ft_white"> 我的简历</span></a>
</td></tr> </tbody>
<tbody id="c_2" style="display: none">
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">求职简历</a>
</td></tr>
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">求职意向</a>
</td></tr>
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">上传照片</a>
</td></tr>
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9" height="9" />
<a href="#">简历预览</a>
</td></tr> </tbody>
<tbody>
<tr> <td class="leftmenu1">
<a style="cursor: pointer" onclick="Show(3,img3)">
<img src="http://www.cbiw.com.cn/member/pic/ass03.gif" width="16" height="16" align="absmiddle" id="img3"/>
<span class="ft_white">职位搜索</span></a>
</td></tr> </tbody>
<tbody id="c_3" style="display: none">
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">快速搜索</a>
</td></tr> </tbody>
<tbody>
<tr> <td class="leftmenu1">
<a style="cursor: pointer" onclick="Show(4,img4)">
<img src="http://www.cbiw.com.cn/member/pic/ass03.gif" width="16" height="16" align="absmiddle" id="img4"/>
<span class="ft_white"> 应聘管理
</span></a>
</td></tr> </tbody>
<tbody id="c_4" style="display: none">
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">应聘记录</a>
</td></tr>
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">企业邀请</a>
</td></tr>
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">收藏职位</a>
</td></tr> </tbody>
<tbody>
<tr> <td class="leftmenu1">
<a style="cursor: pointer" onclick="Show(5,img5)">
<img src="http://www.cbiw.com.cn/member/pic/ass03.gif" width="16" height="16" align="absmiddle" id="img5"/>
<span class="ft_white"> 我的知识</span></a>
</td></tr> </tbody>
<tbody id="c_5" style="display: none">
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">我要提问</a>
</td></tr>
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">我要回答</a>
</td></tr>
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">发问记录</a>
</td></tr>
<tr> <td class="leftmenu2" >
<img src="http://www.cbiw.com.cn/member/pic/ass06.gif" width="9"height="9" />
<a href="#">回答记录</a>
</td></tr>
</tbody>
</table>
</div>
</body>
</html>