- Java code
<%@page language="java" import="java.util.*" pageEncoding="utf-8"%><%@page import="javax.swing.JFrame" %><%@taglib prefix="s" uri="/struts-tags"%><%@taglib prefix="sx" uri="/struts-dojo-tags"%><% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <base href="<%=basePath%>"> <title>操作列表</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <sx:head parseContent="true"/> <link rel="stylesheet" type="text/css" href="css/common.css"> <script type="text/javascript" language="javascript" charset="utf-8"> dojo.event.topic.subscribe("treeSelected",function treeNodeSelected(source){ dojo.io.bind({ url: "admin/student/"+source.widgetId+".jsp", load: function(type, data, evt) { var src = evt.target; alert(src.nodeName); }, mimeType: "text/html" }); }); </script> </head> <body style="background: url(images/bg.png)"> <sx:tree label="管理系统" id="root" rootNode="管理系统 " treeSelectedTopic="treeSelected"> <sx:treenode label="考生信息管理"> <sx:treenode label="添加考生" id="addStu"/> <sx:treenode label="考生信息修改" id="modStu"/> </sx:treenode> <sx:treenode label="题库管理"> <sx:treenode label="添加试题"/> <sx:treenode label="删除试题" /> <sx:treenode label="修改试题" /> </sx:treenode> <sx:treenode label="试卷管理"> <sx:treenode label="删除试卷" /> <sx:treenode label="生成试卷" /> </sx:treenode> <sx:treenode label="考试安排"> <sx:treenode label="" /> <sx:treenode label="" /> </sx:treenode> <sx:treenode label="成绩查询"> <sx:treenode label="" /> <sx:treenode label="" /> </sx:treenode> </sx:tree> </body> <script type="text/javascript"> window.onload=function(){ var nodes =dojo.widget.manager.getWidgetsByType('struts:StrutsTreeNode'); for( var i=0; i < nodes.length; i++){ nodes[i].expand(); } } </script></html>上面是struts框架的一个树状菜单，问题是我想点击的时候它在一个指定的<iframe>中显示我想要的页面，现在不知道怎么办？dojo是必须用的吗？以前的javascript咋都不行了，求解决！主要是讲讲为什么用dojo,不用不行吗？
- Java code
<html> <head> <base href="<%=basePath%>"> <title>管理员主界面</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <link rel="stylesheet" type="text/css" href="css/main_admin.css" /> <script language="javascript" src="js/common.js" charset="utf-8"></script> </head> <body> <div id="wrap"> <div id="head" style="background-color: purple; margin-top: -15px;"> <div id="head1"> <span style="font-weight: bold; font-size: 35px;"> 在线考试系统 </span> <span id="navigation" style="margin-left: 800px;"> <a href="javascript:void(0)" onclick="loginOut('Admin')">退出系统</a> <a href="#">使用帮助</a> <a href="#">返回首页</a> </span> </div> <div id="head2" style="margin-top: 25px;"> <span style="clear: both; margin-left: 1050px;">今天是：<script>getCurrentTime()</script> </span> </div> <div id="head3" style="background-color: gray;"> 您好： </div> </div> <div id="content"> <table width="100%" height="100%"> <tr> <td width="20%" height="100%"> <iframe src="admin/leftList.jsp" scrolling="no" frameborder="0" id="leftList" height="100%" width="100%"></iframe> </td> <td style="background-color: gray;"> </td> <td width="79%" height="100%"> <!--在此iframe中显示--> <iframe src="admin/welcome.jsp" scrolling="auto" frameborder="0" width="100%" height="100%" id="main" name="main"></iframe> </td> </tr> </table> </div> <div id="footer"> <jsp:include page="/commons/footer.jsp"></jsp:include> </div> </div> </body></html>