本文实例讲述了js树插件zTree获取所有选中节点数据的方法。分享给大家供大家参考。具体分析如下：
由于刚接触Tree方面的东西。在网上看到了zTree，是中国人写的。所以API肯定是中文的。而且评论也很好。所以尝试用zTree在项目中。这个获取所有选中节点数据很简单。看一下API就能看懂了。所以我就直接上代码了。
<!DOCTYPE html>
<HTML>
<HEAD>
<TITLE> ZTREE DEMO - Standard Data </TITLE>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="css/zTreeStyle/zTreeStyle.css" type="text/css">
<link rel="stylesheet" href="css/demo.css" type="text/css">
<script type="text/javascript" src="js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="js/jquery.ztree.core-3.4.js"></script>
<script type="text/javascript" src="js/jquery.ztree.excheck-3.4.js"></script>
<!--
<script type="text/javascript" src="js/jquery.ztree.exedit-3.4.js"></script>-->
<SCRIPT type="text/javascript">
<!--
var setting = {
check:{
enable:true
},
/*data: {
simpleData: {
enable: true
}
}*/
data: {
simpleData:{
enable:true
}
},
callback:{
onCheck:onCheck
}
};
var zNodes =[
{ id:1, pId:0, name:"随意勾选 1", open:false},
{ id:11, pId:1, name:"随意勾选 1-1", open:true},
{ id:111, pId:11, name:"随意勾选 1-1-1"},
{ id:112, pId:11, name:"随意勾选 1-1-2"},
{ id:12, pId:1, name:"随意勾选 1-2", open:true},
{ id:121, pId:12, name:"随意勾选 1-2-1"},
{ id:122, pId:12, name:"随意勾选 1-2-2"},
{ id:2, pId:0, name:"随意勾选 2", open:false},
{ id:21, pId:2, name:"随意勾选 2-1"},
{ id:22, pId:2, name:"随意勾选 2-2", open:true},
{ id:221, pId:22, name:"随意勾选 2-2-1"},
{ id:222, pId:22, name:"随意勾选 2-2-2"},
{ id:23, pId:2, name:"随意勾选 2-13"}
];
$(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
});
function onCheck(e,treeId,treeNode){
var treeObj=$.fn.zTree.getZTreeObj("treeDemo"),
nodes=treeObj.getCheckedNodes(true),
v="";
for(var i=0;i<nodes.length;i++){
v+=nodes[i].name + ",";
alert(nodes[i].id); //获取选中节点的值
}
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<div class="zTreeDemoBackground left">
<ul id="treeDemo" class="ztree"></ul>
</div>
</BODY>
</HTML>
希望本文所述对大家的javascript程序设计有所帮助。