本文实例讲解了jquery zTree异步加载，分享给大家供大家参考，具体内容如下
web.xml中Servlet配置如下：
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <servlet> <servlet-name>getDataServlet</servlet-name>; <servlet-class>testTree.TestTree</servlet-class>; </servlet> <servlet-mapping> <servlet-name>getDataServlet</servlet-name>; <url-pattern>/getData</url-pattern>; </servlet-mapping> </web-app>
JSP页面：
<!DOCTYPE html> <HTML> <HEAD> <TITLE> ZTREE DEMO - Simple Data</TITLE> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" href="css/demo.css" type="text/css"> <link rel="stylesheet" href="css/zTreeStyle/zTreeStyle.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-3.2.js"></script> <script type="text/javascript" src="js/jquery.ztree.excheck-3.2.js"></script> <script type="text/javascript" src="js/jquery.ztree.exedit-3.2.js"></script> <SCRIPT type="text/javascript"> <!-- var setting = { data: { simpleData: { enable: true } } ,async: { enable: true, url:"/testJQuery/getData", autoParam:["id", "name"], 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('',''); } return childNodes; } 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}, { id:2, pId:0, name:"parentNode 2", isParent:true} ]; $(document).ready(function(){ $.fn.zTree.init($("#treeDemo"), setting, zNodes); }); //--> </SCRIPT> </HEAD> <BODY> <h1>最简单的树 -- 简单 JSON 数据</h1> <h6>[ 文件路径: core/simpleData.html ]</h6> <div class="content_wrap"> <div class="zTreeDemoBackground left"> <ul id="treeDemo" class="ztree"></ul> </div> </div> </BODY> </HTML>
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