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zTree实现获取一级节点数据

2014-05-18 21:21 435 查看

zTree实现获取一级节点数据

1、实现源码

<!DOCTYPE html>
<html>
<head>
<title>zTree实现基本树</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="../../../css/demo.css">
<link rel="stylesheet" type="text/css" href="../../../css/zTreeStyle/zTreeStyle.css">
<script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.js"></script>
<script type="text/javascript">
<!--
var setting = {
data: {
simpleData: {
enable: true
}
}
};

var zNodes =[
{ id:1, pId:0, name:"湖北省", open:true},
{ id:11, pId:1, name:"武汉市", open:true},
{ id:111, pId:11, name:"汉口"},
{ id:112, pId:11, name:"汉阳"},
{ id:113, pId:11, name:"武昌"},
{ id:12, pId:1, name:"黄石市"},
{ id:121, pId:12, name:"黄石港区"},
{ id:122, pId:12, name:"西塞山区"},
{ id:123, pId:12, name:"下陆区"},
{ id:124, pId:12, name:"铁山区"},
{ id:13, pId:1, name:"黄冈市"},
{ id:131, pId:13, name:"黄州区"},
{ id:132, pId:13, name:"麻城市"},
{ id:133, pId:13, name:"武穴市"},
{ id:134, pId:13, name:"团风县"},
{ id:135, pId:13, name:"浠水县"},
{ id:136, pId:13, name:"罗田县"},
{ id:137, pId:13, name:"英山县"},
{ id:2, pId:0, name:"湖南省", open:true},
{ id:21, pId:2, name:"长沙市", open:true},
{ id:211, pId:21, name:"芙蓉区"},
{ id:212, pId:21, name:"天心区"},
{ id:213, pId:21, name:"岳麓区"},
{ id:214, pId:21, name:"开福区"},
{ id:22, pId:2, name:"株洲市"},
{ id:221, pId:22, name:"天元区"},
{ id:222, pId:22, name:"荷塘区"},
{ id:223, pId:22, name:"芦淞区"},
{ id:224, pId:22, name:"石峰区"}
];

$(document).ready(function(){
$.fn.zTree.init($("#baseTree"), setting, zNodes);
});

/**
* 获取全部节点数据
* 一级节点数据
*/
function findNodes()
{
var treeObj = $.fn.zTree.getZTreeObj("baseTree");
//获取全部节点数据
var nodes = treeObj.getNodes();
for (var i=0, l=nodes.length; i < l; i++)
{
var nodeId = nodes[i].id;
var nodeName = nodes[i].name;
alert("树节点编码："+nodeId+"\n"+"树节点名称："+nodeName);
}
}
//-->
</script>
</head>

<body>
<div class="content_wrap">
<div class="zTreeDemoBackground left" style="text-align: center;">
<ul id="baseTree" class="ztree" style="height: 300px; width:200px; overflow-y: auto"></ul>
<input type="button" id="btn" onclick="findNodes()" value="获取全部节点数据"/>
</div>
</div>
</body>
</html>

2、实现结果

（1）初始化

（2）单击“获取全部节点数据”

（3）单击“确定”

3、源码说明

var treeObj = $.fn.zTree.getZTreeObj("baseTree");
//获取全部节点数据
var nodes = treeObj.getNodes();

获取全部一级节点数据

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