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【jQuery04】折叠树

2015-12-11 22:58 525 查看 
<!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>
<title></title>
<script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>
<style type="text/css">
*{margin:0px;padding:0px;}
body{font-size:12px;}

.box{margin:10px;padding:10px;}
.box h3{margin:10px 0px;border-bottom:1px solid red;padding-bottom:10px;}
.box p{line-height:20px;}
strong{color:Red;margin-right:20px;}

.treebox{margin:10px;padding:10px;width:380px;}
.treebox ul{list-style:none;margin-left:15px;}
.treebox>ul{list-style:none;margin-left:0px;}
.treebox ul li{margin:12px 20px;}
.treebox ul li label{list-style:none;cursor:pointer;line-height:16px;display:block;padding-left:20px;}
.treebox ul li label.collapse{background-image:url(images/treeplus.gif);background-repeat:no-repeat;}
.treebox ul li label.expand{background-image:url(images/treeminus.gif);background-repeat:no-repeat;}
#panels dt{height:30px;line-height:30px;padding-left:10px;border:1px solid #aaccff;font-weight:bold;font-size:14px;background-color:#bb44aa;margin-top:-1px;cursor:pointer;}
#panels dd{height:230px;padding:10px;line-height:20px;border:1px solid #aaccff;margin-top:-1px;}

</style>
<script type="text/javascript" src="Scripts/jquery-1.4.1.js"></script>
<script type="text/javascript">
$(function(){
$(".expand").click(function(){
$(this).next().toggle()
//alert(a)

})
})
</script>

</head>
<body>
<div class="box">
<h3><strong>选作</strong>本试题重点考察jquery构造树形控件，具体要求如下:</h3>
<p>
1.点击每个节点时，将其子节点显示或隐藏。<br />
</p>
</div>

<div class="treebox">
<ul>
<li>
<label class="expand">河北省</label>
<ul>
<li><label>石家庄市</label></li>
<li>
<label class="expand">保定市</label>
<ul>
<li><label>望都县</label></li>
<li><label>顺平县</label></li>
<li><label>唐县</label></li>
</ul>
</li>
</ul>
</li>
<li>
<label class="expand">重庆市</label>
<ul>
<li>
<label>沙坪坝区</label>
</li>
<li>
<label>北碚区</label>
</li>
<li>
<label>江北区</label>
</li>
<li>
<label>南岸区</label>
</li>
</ul>
</li>
<li>
<label>北京市</label>
</li>
</ul>
</div>

</body>
</html>





                                            

                                        

                        
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