struts2 jquery 打造无限层次的树

<%-- tree.jsp --%> <%@ page pageEncoding="gbk" contentType="text/html;charset=gbk" import="java.util.ArrayList" %> <%@ taglib uri="/struts-tags" prefix="s" %> <link rel="stylesheet" href="${myRoot }/jquery/jquery.treeview.css" /> <link rel="stylesheet" href="${myRoot }/jquery/screen.css" /> <script src="${myRoot }/jquery/jquery.js" type="text/javascript"></script> <script src="${myRoot }/jquery/jquery.treeview.js" type="text/javascript"></script> <% //需要:Struts2 , jquery树插件,其下载地址为: http://xiazai.jb51.net/200910/other/jquery.treeview.zip //无限层次的树--作者郴州拓职软件学院任文敏 //模拟数据库数据:每行数据包括--自己ID,自己内容,父亲ID ArrayList ary = new ArrayList(); //所有数据 String[] ary1 = new String[]{"1","item1","0"}; //每行数据 ary.add(ary1); ary1 = new String[]{"2","item2","0"}; ary.add(ary1); ary1 = new String[]{"3","item3","0"}; ary.add(ary1); ary1 = new String[]{"4","item1_1","1"}; ary.add(ary1); ary1 = new String[]{"5","item1_2","1"}; ary.add(ary1); ary1 = new String[]{"6","item1_2_1","5"}; ary.add(ary1); ary1 = new String[]{"7","item1_2_2","5"}; ary.add(ary1); ary1 = new String[]{"8","item2_1","2"}; ary.add(ary1); ary1 = new String[]{"9","item2_1_1","8"}; ary.add(ary1); ary1 = new String[]{"10","item2_2","2"}; ary.add(ary1); ary1 = new String[]{"11","item3_1","3"}; ary.add(ary1); ary1 = new String[]{"12","item3_2","3"}; ary.add(ary1); request.setAttribute("datas",ary); %> <script type="text/javascript"> $(document).ready(function(){ var oAppend; <s:iterator value="#request.datas" id="t"> if($("#ul${t[2]}").size()==0) { //如果父亲UL找不到,则创建父亲UL,并附加到父亲LI oAppend = $("<ul id='ul${t[2]}'><li id='li${t[0]}'><input type='checkbox' value='ck${t[0]}' />${t[1]}</li></ul>").appendTo($("#li${t[2]}")); } else { //如果父亲UL找到了,则直接附加到父亲UL oAppend = $("<li id='li${t[0]}'><input type='checkbox' value='ck${t[0]}' />${t[1]}</li>").appendTo("#ul${t[2]}"); } </s:iterator> $("#ul0").treeview({ //通过根节点容器展示整个树 }); }); </script>  <ul id="ul0"></ul> jquery树插件,其下载地址为: http://xiazai.jb51.net/200910/other/jquery.treeview.zip

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