struts的bean标签

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例子:

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>
<%@page import="blog.User"%>
<%@ taglib uri="http://struts.apache.org/tags-bean"  prefix="bean" %>

<!--这里的uri是在项目中的struts-1.3.10-all\struts-1.3.10\lib\struts-taglib-1.3.10.jar的META-INF下的tld文件夹下的struts-bean.tld文件中的<uri>http://struts.apache.org/tags-bean</uri>信息中的 -->

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


<%
String username = "abcde";
request.setAttribute("username",username);

User user = new User();
user.setUsername("edcba");
session.setAttribute("user",user);
%>


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


  </head>
 
 
  <body>
  
  <bean:define id="username1" name="username" scope="request" toScope="session">
  </bean:define>
  
  username1:<bean:write name="username1" scope="session"/><br/>
  
  <bean:define id="username2" name="user" scope="session" toScope="request">
  </bean:define>
  
  username2:<bean:write name="username2" scope="request" property="username"/>
 
  </body>
</html>

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