struts中logic:iterator标签的使用

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>

<%@page import="blog.*,java.util.ArrayList"%>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>

<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<%
 String[] usernames = {"user1","user2","user3","user4"};
 request.setAttribute("usernames",usernames);

 cn.itcast.User user1 = new cn.itcast.User();
 user1.setUsername("a");
 String[] favarites1 = {"sport","reading","dancing"};
 user1.setFavarites(favarites1);


 User user2 = new User();
 user2.setUsername("b");
 String[] favarites2 = {"sport","music","dancing"};
 user2.setFavarites(favarites2);

 User user3 = new User();
 user3.setUsername("c");
 String[] favarites3 = {"sport","movie","dancing"};
 user3.setFavarites(favarites3);

 ArrayList userList = new ArrayList();
 userList.add(user1);
 userList.add(user2);
 userList.add(user3);

 request.setAttribute("userlist",userList);

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
 <base href="<%=basePath%>">

 <title>Login Page</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">
 

</head>


<body>

 usernames: 
 <logic:iterate id="username" name="usernames">
 ${ username}
 </logic:iterate>

 
 userList: 

 <logic:iterate id="user" scope="request" name="userlist" offset="1" indexId="i" >
 NO:${i } 
 ${user.username }: 
 <logic:iterate id="favarite" name="user" property="favarites">
 ${favarite } 
 </logic:iterate>

 </logic:iterate>

</body>
</html>