strutsのjspページでのpropertyの使用
1548 ワード
まずはJSPページ
次にオブジェクトです.上記のrequest.msgはactionのオブジェクトrequestを表します.
出力結果
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<br>
request <s:property value="#request.msg"/>
</body>
</html>次にオブジェクトです.上記のrequest.msgはactionのオブジェクトrequestを表します.
package com.test.action;
import java.util.Map;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
public class LoginAction extends ActionSupport{
/**
*
*/
private static final long serialVersionUID = 1L;
private Map request;
private Map session;
private Map application;
public LoginAction()
{
System.out.println("loginaction ！");
request=(Map) ActionContext.getContext().get("request");
session=ActionContext.getContext().getSession();
application=ActionContext.getContext().getApplication();
}
public String execute()
{
//System.out.println(request);
//System.out.println(session);
//System.out.println(application);
request.put("msg", " ！");
return SUCCESS;
}
}
出力結果