ex01 (로그인 페이지)
<!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=EUC-KR">
<title>Login Form</title>
<style>
table,tr {margin:1px;padding:1px;border:1px solid gray;}
td {align:center;}
</style>
</head>
<body>
<form action="login" method="post">
<table>
<tr><td colspan="2">로그인</td></tr>
<tr><td>아이디</td><td><input type="text" name="userid" id="userid"></td></tr>
<tr><td>패스워드</td><td><input type="password" name="userpwd" id="userpwd"></td></tr>
<tr><td colspan="2"><input type="submit" value="로그인">
<input type="reset" value="취소"></td></tr><tr></tr><tr></tr>
</table>
</body>
</html>
login success 페이지
<%@ page contentType="text/html; charset=utf-8"%>
<!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>로그인 성공</title>
<style type="text/css">
body{color:blue;}
</style>
</head>
<body>
로그인 성공했습니다.<br>
환영합니다 <br>
</body>
</html>
login fail 페이지
<%@ page contentType="text/html; charset=utf-8"%>
<!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>로그인 실패</title>
<style type="text/css">
body{color:red;}
</style>
</head>
<body>
로그인 실패했습니다.<br>
다시 접속해주세요<br>
</body>
</html>
login servlet 페이지
package com.web3.login;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class LoginServlet
*/
@WebServlet("/login")
public class LoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public LoginServlet() {
super();
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// 요청 처리후 응답을 위한 마임타입과 문자셋 설정
response.setContentType("text/html;charset=utf-8");
// 응답 결과를 클라이언트에게 보내기 위해서 문자스트림을 생성
PrintWriter out = response.getWriter();
// 파라미터를 받아오기
String uid = request.getParameter("userid");
String pwd = request.getParameter("userpwd");
// DB에 Access 해서 userid, password 일치 여부 체크
if(uid.equals("admin")&& pwd.equals("a1234"))
{
response.sendRedirect("./loginSuccess.jsp");
}else{
response.sendRedirect("./loginFail.jsp");
}
}
}
servlet 구조는 getPost method 사용.
