Z-tree插件（插件压缩包需要自己下载）
百度 ztree 下载插件
实例：
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
<link rel="stylesheet" href="resources/css/demo.css" type="text/css">
<link rel="stylesheet" href="resources/css/zTreeStyle/zTreeStyle.css" type="text/css">
<script type="text/javascript" src="resources/js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="resources/js/jquery.ztree.core-3.5.js"></script>
</head>
<body>
<div class="zTreeDemoBackground left">
<ul id="treeDemo" class="ztree"></ul>
</div>
<SCRIPT type="text/javascript">
var setting = {
data: {
simpleData: {
enable: true
}
} ,
async: {
enable: true,
url:"/TestZTree/test",
autoParam:["id", "name", "level"],
otherParam:{"otherParam":"zTreeAsyncTest"},
dataFilter: filter
}
};
function filter(treeId, parentNode, childNodes) {
if (!childNodes) return null;
for (var i=0, l=childNodes.length; i<l; i++) {
childNodes[i].name = childNodes[i].name.replace(/\.n/g, '.');
}
return childNodes;
}
var zNodes =[
{ id:1, pId:0, name:"parentNode 1", open:true},
{ id:11, pId:1, name:"parentNode 11",isParent:true},
{ id:111, pId:11, name:"leafNode 111"},
{ id:112, pId:11, name:"leafNode 112"},
{ id:12, pId:1, name:"parentNode 12",isParent:true},
{ id:121, pId:12, name:"leafNode 121"},
{ id:13, pId:1, name:"parentNode 13", isParent:true},
{ id:2, pId:0, name:"parentNode 2", isParent:true}
];
$(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
});
</SCRIPT>
</body>
</html>
点击获取所有的子节点
var setting = {
data: {
simpleData: {
enable: true
}
},
callback: {
onClick: treenodeClick
}
};
function treenodeClick(event, treeId, treeNode, clickFlag) {
//此处treeNode 为当前节点
var str ='' ;
str = getAllChildrenNodes(treeNode,str);
alert(str); //所有叶子节点ID
}
function getAllChildrenNodes(treeNode,result){
if (treeNode.isParent) {
var childrenNodes = treeNode.children;
if (childrenNodes) {
for (var i = 0; i < childrenNodes.length; i++) {
result += ',' + childrenNodes[i].id;
result = getChildNodes(childrenNodes[i], result);
}
}
}
return result;
}
