日期:2014-05-19  浏览次数:20569 次

JavaEE框架 树状结构菜单的跳转(<sx:tree>)
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

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