<!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=gb2312" />
<title>无标题文档</title>
<style type="text/css">
body{
font-size:14px;
margin:0;}
div{
width:auto;
height:auto;
line-height:150%;}
ul{
list-style:none;
margin-left:-20px;}
ul li:hover{
background-color:#DDDDDD;
color:#FF0000;
cursor:pointer;}
</style>
</head>
<body>
<div id="continer"></div>
</body>
</html>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
//模拟数据
var jsonData = [
{"id":"1","name":"父节点1","url":"www.baidu.com","pid":"0"},
{"id":"4","name":"父节点11","url":"","pid":"1"},
{"id":"13","name":"父节点111","url":"","pid":"4"},
{"id":"14","name":"父节点112","url":"","pid":"4"},
{"id":"5","name":"父节点12","url":"","pid":"1"},
{"id":"6","name":"父节点13","url":"","pid":"1"},
{"id":"2","name":"父节点4","url":"","pid":"0"},
{"id":"7","name":"父节点41","url":"","pid":"2"},
{"id":"8","name":"父节点42","url":"","pid":"2"},
{"id":"9","name":"父节点43","url":"","pid":"2"},
{"id":"3","name":"父节点5","url":"","pid":"0"},
{"id":"10","name":"父节点51","url":"","pid":"3"},
{"id":"11","name":"父节点52","url":"","pid":"3"},
{"id":"12","name":"父节点53","url":"","pid":"3"}
] ;
//主方法，运用递归实现
function createTree(jsons,pid){
if(jsons != null){
var ul = '<ul class="">' ;
for(var i=0;i<jsons.length;i++){
if(jsons[i].pid == pid){
ul += '<li>' + jsons[i].name + "</li>" ;
ul += createTree(jsons,jsons[i].id) ;
}
}
ul += "</ul>" ;
}
return ul ;
}
$(function(){
var ul = createTree(jsonData,0) ; $("#continer").append(ul) ; //控制菜单的隐藏显示
$("ul[class] li").each(function(){
$(this).click(function(){
$(this).next().toggle() ;
}) ;
}) ; }) ;
</script>
</body>
</html>