JSP EL Ex1

1. jsp_EL.html

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>EL(Expression Language)</title>
</head>
<body>
	<a href="/jsp/ELServletTest1">EL Test1(VO)</a>
	<a href="/jsp/ELServletTest2">EL Test2(Map)</a>
</body>
</html>

2. TestServlet1.java

package test.member.controller;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import test.member.model.vo.Member;

/**
 * Servlet implementation class TestServlet1
 */
@WebServlet("/jsp/ELServletTest1")
public class TestServlet1 extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public TestServlet1() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		Member member = new Member("user22", "pass22", "숭례문");
		// 위와 같은 방식으로 쓸 수 있는 이유는 vo에서 오버로딩된 매개변수가 있는 생성자 작성해주었기 때문
		request.setAttribute("member", member);
		request.getRequestDispatcher("/EL/jsp_ELTest1.jsp").forward(request, response);
		
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}

3. jsp_ELTest1.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>EL Test1</title>
</head>
<body>
	<h1>VO 객체 처리</h1>
	아이디 : ${ member.id }
	비밀번호 : ${ member.password }
	이름 : ${ member.name }
</body>
</html>

결과

링크 클릭시 서블릿 실행된다.

링크 클릭시 서블릿 실행된다.

EL Test1(VO) 실행화면

EL Test1(VO) 실행화면