这绝对是我见过最完美的tree了，尽管是国产货，但一点不输国外产品，国外的还没有见过这么强的。
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以下是简单的使用demo:
<!DOCTYPE html>
<html>
<head>
<title>ZTREE DEMO - Standard Data </title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link href="css/zTreeStyle/zTreeStyle.css" rel="stylesheet" type="text/css" />
<script src="js/jquery-1.4.4.min.js" type="text/javascript"></script>
<script src="js/jquery.ztree.core-3.4.js" type="text/javascript"></script>
<script type="text/javascript">
var setting = {
view: {
selectedMulti: false //禁止多点选中
},
data: {
simpleData: {
enable:true,
idKey: "id",
pIdKey: "pId",
rootPId: ""
}
},
callback: {
onClick: function(treeId, treeNode) {
var treeObj = $.fn.zTree.getZTreeObj(treeNode);
var selectedNode = treeObj.getSelectedNodes()[0];
$("#txtId").val(selectedNode.id);
$("#txtAddress").val(selectedNode.name);
}
}
};
var zNodes =[
{id:1, pId:0, name:"广东", open:true},
{id:101, pId:1, name:"广州", file:"core/standardData"},
{id:102, pId:1, name:"深圳", file:"core/simpleData"},
{id:103, pId:1, name:"东莞", file:"core/noline"}
];
$(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
});
</script>
</head>
<body>
<div style="float:left;" >
<ul id="treeDemo" class="ztree">
</ul>
</div>
<div style="float:left;" >
id: <input id="txtId" type="text" value="" /><br />
地名：<input id="txtAddress" type="text" value="" />
</div>
</body>
</html>