jquery zTree异步加载简单实例
Ztree是一个使用jQuery实现的JSP页面的各种功能树，本文介绍一个异步获取数据到下拉树的实现方式。
当前版本Ztree 3.5.01
simple.html
[html]
<!DOCTYPE html>
<html>
<head>
<title>simple.html</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="css/zTreeStyle.css">
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/jquery.ztree.core-3.5.js"></script>
<script type="text/javascript" src="js/jquery.ztree.excheck-3.5.min.js"></script>
<!-- <script type="text/javascript" src="js/standard.js"></script> -->
<script type="text/javascript" src="js/1.js"></script>
</head>
<body>
<ul id="treeDemo" class="ztree"></ul>
</body>
</html>
js
[javascript]
var setting = {
data: {
simpleData: {
enable: true
// idKey:"id",
// pIdKey:"pId",
}
}
,async: {
enable: true,
url:"/Java_Solr/servlet/ZTreeSerlvet",
autoParam:["id", "name"],
otherParam:{"otherParam":"zTreeAsyncTest"},
// dataType: "text",//默认text
// type:"get",//默认post
dataFilter: filter //异步返回后经过Filter
}
,callback:{
// beforeAsync: zTreeBeforeAsync, // 异步加载事件之前得到相应信息
asyncSuccess: zTreeOnAsyncSuccess,//异步加载成功的fun
asyncError: zTreeOnAsyncError, //加载错误的fun
beforeClick:beforeClick //捕获单击节点之前的事件回调函数
}
};
//treeId是treeDemo
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('','');
}
return childNodes;
}
function beforeClick(treeId,treeNode){
if(!treeNode.isParent){
alert("请选择父节点");
return false;
}else{
return true;
}
}
function zTreeOnAsyncError(event, treeId, treeNode){
alert("异步加载失败!");
}
function zTreeOnAsyncSuccess(event, treeId, treeNode, msg){
}
/***********************当你点击父节点是,会异步访问servlet,把id传过去*****************************/
var zNodes=[];
/* var zNodes =[
{ id:1, pId:0, name:"parentNode 1", open:true},
{ id:11, pId:1, name:"parentNode 11"},
{ id:111, pId:11, name:"leafNode 111"},
{ id:112, pId:11, name:"leafNode 112"},
{ id:113, pId:11, name:"leafNode 113"},
{ id:114, pId:11, name:"leafNode 114"},
{ id:12, pId:1, name:"parentNode 12"},
{ id:121, pId:12, name:"leafNode 121"},
{ id:122, pId:12, name:"leafNode 122"},
{ id:123, pId:12, name:"leafNode 123"},
{ id:13, pId:1, name:"parentNode 13", isParent:true},
&nb
补充：web前端 , JavaScript ,
