'tag만을 이용한 회원등록' 태그의 글 목록

'tag만을 이용한 회원등록'에 해당되는 글 2건

2012.05.09 2012-5-9 tag만을 이용한 회원등록,로그인,회원탈퇴페이지 만들기(강사님)
2012.05.09 2012-5-9 tag만을 이용한 회원등록,로그인,회원탈퇴페이지 만들기

2012-5-9 tag만을 이용한 회원등록,로그인,회원탈퇴페이지 만들기(강사님)

프로그래밍/JSP Programming 2012. 5. 9. 11:09

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="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>Insert title here</title>
</head>
<body>
<form action="/${initParam.context_root }/RegisterMemberServlet1" method="post">
<table border="1">
<tr>
  <td align="center">id</td><td><input type="text" name="id" maxlength="10" size="10"></td>
</tr>
<tr>
  <td align="center">pwd</td><td><input type="password" name="pwd" maxlength="4" size="4"></td>
</tr>
<tr>
  <td align="center">이름 : </td><td><input type="text" name="name" maxlength="10" size="10"></td>
</tr>
<tr>
  <td align="center">주민번호 : </td>
  <td>
   <input type="text" name="register_no" maxlength="13" size="13">-

  </td>
</tr>
<tr>
  <td colspan="2" align="center"><input type="submit" value="가입">
  <input type="reset" value="다시작성"></td>
</tr>
</table>
</form>
</body>
</html>

package member.servlet;

import java.io.IOException;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import member.dto.MemberDTO;

public class RegisterMemberServlet1 extends HttpServlet {

private static final long serialVersionUID = 1L;
private Connection connection = null;
private PreparedStatement preparedStatement = null;

    public RegisterMemberServlet1() {
        super();
        // TODO Auto-generated constructor stub
    }
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  doPost(request, response);
}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  //1.요청파라미터 조회
  //2. Business Logic 처리
      //1. Connection
      //2. PreparedStatement
      //3. SQL 문 전송(insert)
      //4. close
  //3. 응답처리
      // 클라이언트로 받은 가입정보를 출력한뒤 가입처리 성공 메세지 응답.
  //1.요청 파라미터 조회
  request.setCharacterEncoding("utf-8");

  String id = request.getParameter("id");
  String password = request.getParameter("pwd");
  String name = request.getParameter("name");
  String registerNo = request.getParameter("register_no");

  int mileage = 1000;

  response.setContentType("text/html;charset=utf-8");
  //Business Logic 처리
  ServletContext ctx = getServletContext();
  String url = ctx.getInitParameter("url");
  String user = ctx.getInitParameter("user");
  String dbPwd = ctx.getInitParameter("password");
  String resUrl = null;
  try {
   connection = DriverManager.getConnection(url, user, dbPwd);
   String sql = "insert into member values(?,?,?,?,?)";
   preparedStatement = connection.prepareStatement(sql);
   preparedStatement.setString(1, id);
   preparedStatement.setString(2, password);
   preparedStatement.setString(3, name);
   preparedStatement.setString(4, registerNo);
   preparedStatement.setInt(5, mileage);
   int cnt = preparedStatement.executeUpdate();
   System.out.println(cnt+"개의 행이 삽입되었습니다.");

    //1. Business Logic처리
   //2. 조회한 정보 request scope에 binding
   MemberDTO memberDTO = new MemberDTO(id,password,name,registerNo,mileage);
    //3. member_list.jsp로 수행이동
     request.setAttribute("memberDTO", memberDTO);
     resUrl = "/res/register_success.jsp";
  } catch (SQLException e) {
    request.setAttribute("error_message", e.getMessage());
    resUrl = "/res/error.jsp";
  } finally{
   if(preparedStatement!=null){
    try {
     preparedStatement.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
   if(connection!=null){
    try {
     connection.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
  }
   RequestDispatcher rdp = request.getRequestDispatcher(resUrl);
   rdp.forward(request, response);
}

}

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!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>
<c:if test="${requestScope.error_message!=null }">
<font color="red">${requestScope.error_message }</font>
</c:if>
<body>
<form action="/${initParam.context_root }/login" method="post">
<table>
<tr>
  <td><h2>로그인</h2><p></td>
</tr>
<tr>
  <td>id</td><td><input type="text" name="id"></td>
</tr>
<tr>
  <td>password</td><td><input type="password" name="password"></td>
</tr>
  <tr>
  <td colspan="2"><input type="submit" value="로그인"><input type="reset" value="초기화"></td>
</tr>
</table>
</form>
</body>
</html>

package member.servlet;

import java.io.IOException;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import member.dto.MemberDTO;

public class LoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private Connection connection = null;
private PreparedStatement preparedStatement = null;
private ResultSet rset = null;
    public LoginServlet() {
        super();
    }

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request,response);
}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  //1. 요청파라미터 조회
  request.setCharacterEncoding("utf-8");
  String contextRoot = getServletContext().getInitParameter("context_root");
  String id = request.getParameter("id");
  String password = request.getParameter("password");
  HttpSession session = request.getSession();
  response.setContentType("text/html;charset=utf-8");
  //Business Logic 처리
  ServletContext ctx = getServletContext();
  String url = ctx.getInitParameter("url");
  String user = ctx.getInitParameter("user");
  String dbPwd = ctx.getInitParameter("password");

  String sql = "select * from member where id=?";
  String resUrl=null;
  try {
   connection = DriverManager.getConnection(url, user, dbPwd);

   preparedStatement = connection.prepareStatement(sql);
   preparedStatement.setString(1, id);
    rset = preparedStatement.executeQuery();
   System.out.println("로그인 성공!!");

      if(rset.next()) {
       if(rset.getString("password").equals(password)){
        MemberDTO memberDTO = new MemberDTO(id, password, rset.getString(3), rset.getString(4), rset.getInt(5));
        session.setAttribute("memberDTO", memberDTO);
        response.sendRedirect("/"+contextRoot+"/res/login_success.jsp");
       }else{
        request.setAttribute("error_message", "패스워드가 틀렸습니다");
        resUrl = "/login_form.jsp";
       }
      }else{//id가 없는 경우
       request.setAttribute("error_message", "아이디가 틀렸습니다");
       resUrl = "/login_form.jsp";
      }

  } catch (SQLException e) {
    request.setAttribute("error_message", e.getMessage());
    RequestDispatcher rdp = request.getRequestDispatcher("/res/error.jsp");
    rdp.forward(request, response);

  } finally{
   if(rset!=null){
    try {
     rset.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
   if(preparedStatement!=null){
    try {
     preparedStatement.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
   if(connection!=null){
    try {
     connection.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
  }
  if(resUrl!=null){
  RequestDispatcher rdp = request.getRequestDispatcher(resUrl);
   rdp.forward(request, response);
  }
}

}

<%@page import="member.dto.MemberDTO"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="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>Insert title here</title>
</head>
<body>
${sessionScope.memberDTO.id } 님환영합니다.<p>
이름 : ${sessionScope.memberDTO.name }<br>
패스워드 : ${sessionScope.memberDTO.password }<br>
주민번호 : ${sessionScope.memberDTO.registerNumber }<br>
마일리지 : ${sessionScope.memberDTO.mileage }<br>
<a href='/${initParam.context_root }/logout'>로그아웃</a>
<a href='/${initParam.context_root }/getMemberInfo'>회원정보조회(로그인한 회원의 정보)</a>

</body>
</html>

package member.servlet;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import member.dto.MemberDTO;

public class GetLoginMemberInfoServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

    public GetLoginMemberInfoServlet() {
        super();

    }

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request,response);
}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  HttpSession httpSession = request.getSession();
  RequestDispatcher rdp =null;
  MemberDTO memberDTO=(MemberDTO)httpSession.getAttribute("memberDTO");
  String resUrl = null;
  if(memberDTO==null){
   request.setAttribute("error_message", "로그인한 정보가 없습니다.");
   resUrl = "/login_form.jsp";
  }else{
   resUrl ="/res/member_details.jsp";
  }
     rdp = request.getRequestDispatcher(resUrl);
  rdp.forward(request, response);

}

}

<body>
<h2>회원정보수정</h2><hr><p>
<form action="/${initParam.context_root }/modifyMember" method="post">
<table width="500">
<tr>
<td>아이디</td><td>${sessionScope.memberDTO.id }</td>
</tr>
<tr>
<td>비밀번호</td><td><input type="text" name="password"></td>
</tr>
<tr>
<td>이름</td><td><input type="text" name="name" value="${sessionScope.memberDTO.name }"></td>
</tr>
<tr>
<td>주민번호</td><td><input type="text" name="register_no" value="${sessionScope.memberDTO.registerNumber }"></td>
</tr>
<tr>
<td>마일리지 ${sessionScope.memberDTO.mileage }</td>
</tr>
<tr>
<td colspan="2" align="center"><input type="submit" value="정보수정"><input type="reset" value="다시작성"></td>
</tr>
</table>
</form>
</body>
</html>

package member.servlet;

import java.io.IOException;

import member.dto.MemberDTO;

public class ModifyFormServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

    public ModifyFormServlet() {
        super();

    }

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request,response);
}

}

<body>
<h2>수정된 정보</h2><hr><p>
아이디 : ${sessionScope.memberDTO.id }<br>
비밀번호 : ${sessionScope.memberDTO.password }<br>
이름 : ${sessionScope.memberDTO.name }<br>
주민번호 : ${sessionScope.memberDTO.registerNumber }<br>
마일리지 : ${sessionScope.memberDTO.mileage }<br>
</body>
</html>

package member.servlet;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import member.dto.MemberDTO;

public class ModifyMemberServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

public ModifyMemberServlet() {
super();

}

protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}

protected void doPost(HttpServletRequest request,
   HttpServletResponse response) throws ServletException, IOException {
  request.setCharacterEncoding("utf-8");
  // 1. 파라미터 조회
  String password = request.getParameter("password");
  String name = request.getParameter("name");
  String registerNo = request.getParameter("register_no");

  // 2. DB연결

  ServletContext servletContext = getServletContext();
  String url = servletContext.getInitParameter("url");
  String user = servletContext.getInitParameter("user");
  String dbPwd = servletContext.getInitParameter("password");

Connection connection = null;
PreparedStatement preparedStatement = null;

String sql = "update member set password=?, name=?, register_Number=? where id=?";
String resUrl = null;

  HttpSession httpSession = request.getSession();
  MemberDTO memberDTO = (MemberDTO) httpSession.getAttribute("memberDTO");
  if (memberDTO != null) {
   //3. 회원 정보 수정 처리
   try {
    connection = DriverManager.getConnection(url, user, dbPwd);
    preparedStatement = connection.prepareStatement(sql);
    preparedStatement.setString(1, password);
    preparedStatement.setString(2, name);
    preparedStatement.setString(3, registerNo);
    preparedStatement.setString(4, memberDTO.getId());
    int cnt = preparedStatement.executeUpdate();
    System.out.println(cnt + "개의 행이 수정되었습니다.");
    //수정 정보를 session scope에 넣기
//    memberDTO.setPassword(password);
//    memberDTO.setName(name);
//    memberDTO.setRegisterNumber(registerNo);
    //아래와 같이 넣어도 된다.
    memberDTO = new MemberDTO(memberDTO.getId(), password, name, registerNo,memberDTO.getMileage());
    httpSession.setAttribute("memberDTO", memberDTO);
//    resUrl = "/res/modify_success.jsp";//아래 소스와 소스가 같아서 변경 처리 했다.
    resUrl = "/res/member_details.jsp";
   } catch (SQLException e) {
    request.setAttribute("error_message", e.getMessage());
    resUrl = "/res/error.jsp";
   } finally {
    if (preparedStatement != null) {
     try {
      preparedStatement.close();
     } catch (SQLException e) {
      e.printStackTrace();
     }
    }
    if (connection != null) {
     try {
      connection.close();
     } catch (SQLException e) {
      e.printStackTrace();
     }
    }
   }
  }else{ //로그인이 안된경우
   request.setAttribute("error_message", "로그인 정보가 없습니다. 수정 불가능 합니다.");
   resUrl = "/login_form.jsp";
  }
  RequestDispatcher requestDispatcher = request.getRequestDispatcher(resUrl);
  requestDispatcher.forward(request, response);
}

}

<h2>회원정보보기</h2><p>
아이디 : ${sessionScope.memberDTO.id }<br>
이름 : ${sessionScope.memberDTO.name }<br>
주민번호 : ${sessionScope.memberDTO.registerNumber }<br>
마일리지 : ${sessionScope.memberDTO.mileage }<br>
<p>
<a href="/${initParam.context_root }/modifyForm">회원정보수정</a>
<a href="/${initParam.context_root }/removeMember">회원 탈퇴</a>
</p>
</body>
</html>

package member.servlet;

import java.io.IOException;

import member.dto.MemberDTO;

public class LogoutServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

public LogoutServlet() {
super();

}

protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}

protected void doPost(HttpServletRequest request,
   HttpServletResponse response) throws ServletException, IOException {
  HttpSession session = request.getSession();
  //로그인 여부 체크
  MemberDTO memberDTO = (MemberDTO) session.getAttribute("memberDTO");

  if (memberDTO != null) {
   session.invalidate(); //세션을 지우기

} else {
request.setAttribute("error_message", "먼저 로그인 해주세요");

}

RequestDispatcher rdp = request.getRequestDispatcher("/login_form.jsp");
rdp.forward(request, response);

}

<%@page import="member.dto.MemberDTO"%>
<%@page import="java.util.ArrayList"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!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>

<body>
<h2>모든 회원 목록조회</h2><hr><p>
<table width="500" border="1" cellspacing="0">
<tr align="center">
<td>순번</td><td>아이디</td><td>이름</td><td>주민번호</td><td>마일리지</td>
</tr>
<c:forEach items="${requestScope.member_list }" var="member_list" varStatus="cnt">
<tr align="center">
<td>${cnt.count }</td><td>${member_list.id }</td><td><a href="/servlet_member/SearchMemberByID?id=${member_list.id }">${member_list.name }</a></td><td>${member_list.registerNumber }</td><td>${member_list.mileage }</td>
</tr>
</c:forEach>
</table>
</body>
</html>

package member.servlet;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import member.dto.MemberDTO;

public class RemoveMemberServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

public RemoveMemberServlet() {
super();

}

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request,response);
}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  HttpSession httpSession = request.getSession();
  MemberDTO memberDTO = (MemberDTO)httpSession.getAttribute("memberDTO");

  //DB연결
  Connection connection = null;
  PreparedStatement preparedStatement = null;
  ServletContext servletContext = getServletContext();
  String url = servletContext.getInitParameter("url");
  String user = servletContext.getInitParameter("user");
  String dbPwd = servletContext.getInitParameter("password");

  String sql = "delete from member where id=?";
  String resUrl = null;
  if(memberDTO!=null){
  try {
   connection = DriverManager.getConnection(url, user, dbPwd);
   preparedStatement = connection.prepareStatement(sql);
   preparedStatement.setString(1, memberDTO.getId());
   int cnt = preparedStatement.executeUpdate();
   System.out.println(cnt+"개의 행이 삭제 되었습니다.");
   resUrl = "/index.jsp";
   httpSession.invalidate();
   //httpSession.removeAttribute("memberDTO");
  } catch (SQLException e) {
   e.printStackTrace();
   request.setAttribute("error_message", e.getMessage());
   resUrl = "/res/error.jsp";
  } finally{
   if(preparedStatement!=null){
    try {
     preparedStatement.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
   if(connection!=null){
    try {
     connection.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
  }
}else{
  request.setAttribute("error_message", "로그인 정보가 없습니다.");
  resUrl = "/login_form.jsp";
}
  RequestDispatcher requestDispatcher = request.getRequestDispatcher(resUrl);
  requestDispatcher.forward(request, response);
}
}

<c:if test="${requestScope.error_message!=null }">
실행 도중 오류가 발생했습니다.<br>
오류 내용 ${error_message }
</c:if>
<a href='/${initParam.context_root }/index.jsp'>메인페이지로 이동</a>
</body>
</html>

- 결과보기

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Posted by 조은성

2012-5-9 tag만을 이용한 회원등록,로그인,회원탈퇴페이지 만들기

프로그래밍/JSP Programming 2012. 5. 9. 03:25

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="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>Insert title here</title>
</head>
<body>
<form action="/${initParam.context_root }/RegisterMemberServlet1" method="post">
<table border="1">
<tr>
  <td align="center">id</td><td><input type="text" name="id" maxlength="10" size="10"></td>
</tr>
<tr>
  <td align="center">pwd</td><td><input type="password" name="pwd" maxlength="4" size="4"></td>
</tr>
<tr>
  <td align="center">이름 : </td><td><input type="text" name="name" maxlength="10" size="10"></td>
</tr>
<tr>
  <td align="center">주민번호 : </td>
  <td>
   <input type="text" name="register_no" maxlength="13" size="13">


  </td>
</tr>
<tr>
  <td colspan="2" align="center"><input type="submit" value="가입">
  <input type="reset" value="다시작성"></td>
</tr>
</table>
</form>
</body>
</html>

package member.servlet;

import java.io.IOException;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import member.dto.MemberDTO;

public class RegisterMemberServlet1 extends HttpServlet {

private static final long serialVersionUID = 1L;
private Connection connection = null;
private PreparedStatement preparedStatement = null;

}

<%@page import="member.dto.MemberDTO"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<c:set var="memberDTO" scope="request" value="${memberDTO }"/>
<%--
<%
MemberDTO memberDTO = (MemberDTO)request.getAttribute("memberDTO");
%>
--%>
<h2>가입 환영합니다.</h2>
<h3>가입 시 입력한 정보입니다. </h3>
<%-- ID : <%=memberDTO.getId() %> --%>
ID : ${requestScope.memberDTO.id }
<%-- Password : <%=memberDTO.getPassword() %> --%>
Password :${requestScope.memberDTO.password }
<%-- 이름 : <%=memberDTO.getName() %> --%>
이름 :${requestScope.memberDTO.name }
<%-- 주민번호 : <%=memberDTO.getRegisterNumber().substring(0,6) %>-<%=memberDTO.getRegisterNumber().substring(6) %> --%>
주민번호 :${requestScope.memberDTO.registerNumber }
<%-- 마일리지 : <%=memberDTO.getMileage() %><p> --%>
마일리지 :${requestScope.memberDTO.mileage }
<a href="/${initParam.context_root }/login_form.jsp">로그인</a>
<a href="/${initParam.context_root }/index.jsp">메인페이지</a>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!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>
<c:set var="error_message" scope="request" value="${error_message }"/>
<%--
<%
String error_message = (String)request.getAttribute("error_message");
if(error_message!=null){
%>
--%>
<font color="red">${error_message } </font>
<%-- <font color="red"><%=error_message %></font> --%>
<%--
<%
}
%>
--%>
<body>
<form action="/${initParam.context_root }/login" method="post">
<table>
<tr>
  <td><h2>로그인</h2><p></td>
</tr>
<tr>
  <td>id</td><td><input type="text" name="id"></td>
</tr>
<tr>
  <td>password</td><td><input type="password" name="password"></td>
</tr>
  <tr>
  <td colspan="2"><input type="submit" value="로그인"><input type="reset" value="초기화"></td>
</tr>
</table>
</form>
</body>
</html>

package member.servlet;

import java.io.IOException;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request,response);
}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  //1. 요청파라미터 조회
  request.setCharacterEncoding("utf-8");
  String id = request.getParameter("id");
  String password = request.getParameter("password");
  HttpSession session = request.getSession();
  response.setContentType("text/html;charset=utf-8");
  //Business Logic 처리
  ServletContext ctx = getServletContext();
  String url = ctx.getInitParameter("url");
  String user = ctx.getInitParameter("user");
  String dbPwd = ctx.getInitParameter("password");

  String sql = "select * from member where id=?";
  String resUrl=null;
  try {
   connection = DriverManager.getConnection(url, user, dbPwd);

   preparedStatement = connection.prepareStatement(sql);
   preparedStatement.setString(1, id);
    rset = preparedStatement.executeQuery();
   System.out.println("로그인 성공!!");

      if(rset.next()) {
       if(rset.getString("password").equals(password)){
        MemberDTO memberDTO = new MemberDTO(id, password, rset.getString(3), rset.getString(4), rset.getInt(5));
        session.setAttribute("memberDTO", memberDTO);
        response.sendRedirect("/member_servlet_text/res/login_success.jsp");
       }else{
        request.setAttribute("error_message", "패스워드가 틀렸습니다");
        resUrl = "/login_form.jsp";
       }
      }else{//id가 없는 경우
       request.setAttribute("error_message", "아이디가 틀렸습니다");
       resUrl = "/login_form.jsp";
      }

  } catch (SQLException e) {
    request.setAttribute("error_message", e.getMessage());
    RequestDispatcher rdp = request.getRequestDispatcher("/res/error.jsp");
    rdp.forward(request, response);

}

MemberDTO memberDTO = (MemberDTO)session.getAttribute("memberDTO");

%>
--%>
<body>
<%--
<%=memberDTO.getId() %>님환영합니다.<p>
이름 : <%=memberDTO.getName() %><br>
패스워드 : <%=memberDTO.getPassword() %><br>
주민번호 : <%=memberDTO.getRegisterNumber() %><br>
마일리지 : <%=memberDTO.getMileage() %><br>
--%>
${sessionScope.memberDTO.id }님환영합니다.<p>
이름 : ${sessionScope.memberDTO.name }<br>
패스워드 : ${sessionScope.memberDTO.password }<br>
주민번호 : ${sessionScope.memberDTO.registerNumber }<br>
마일리지 : ${sessionScope.memberDTO.mileage }<br>
<a href='/${initParam.context_root }/logout'>로그아웃</a>
<a href='/${initParam.context_root }/getMemberInfo'>회원정보조회(로그인한 회원의 정보)</a>

</body>
</html>

package member.servlet;

import java.io.IOException;

import member.dto.MemberDTO;

public class GetLoginMemberInfoServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

    public GetLoginMemberInfoServlet() {
        super();

    }

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request,response);
}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  HttpSession httpSession = request.getSession();
  RequestDispatcher rdp =null;
  MemberDTO memberDTO=(MemberDTO)httpSession.getAttribute("memberDTO");
  String resUrl = null;
  if(memberDTO==null){
   request.setAttribute("error_message", "로그인한 정보가 없습니다.");
   resUrl = "/login_form.jsp";
  }else{
   resUrl ="/res/member_details.jsp";
  }
     rdp = request.getRequestDispatcher(resUrl);
  rdp.forward(request, response);

}

}

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

<h2>회원정보보기</h2><p>
아이디 : <%=memberDTO.getId() %><br>
이름 : <%=memberDTO.getName() %><br>
주민번호 : <%=memberDTO.getRegisterNumber().substring(0, 6) %>-<%=memberDTO.getRegisterNumber().substring(6) %><br>
마일리지 : <%=memberDTO.getMileage() %><br>
<p>
  <a href="/member_servlet/modifyForm">회원정보수정</a>
  <a href="/member_servlet/removeMember">회원 탈퇴</a>
</p>
--%>

<h2>회원정보보기</h2><p>
아이디 : ${sessionScope.memberDTO.id }<br>
이름 : ${sessionScope.memberDTO.name }<br>
주민번호 : ${sessionScope.memberDTO.registerNumber }<br>
마일리지 : ${sessionScope.memberDTO.mileage }<br>
<p>
  <a href="/${initParam.context_root }/modifyForm">회원정보수정</a>
  <a href="/${initParam.context_root }/removeMember">회원 탈퇴</a>
</p>
</body>
</html>

package member.servlet;

import java.io.IOException;

import member.dto.MemberDTO;

public class ModifyFormServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

    public ModifyFormServlet() {
        super();

    }

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request,response);
}

}

<%@page import="member.dto.MemberDTO"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="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>Insert title here</title>
</head>
<%--
<%
MemberDTO memberDTO = (MemberDTO)session.getAttribute("memberDTO");
%>
--%>
<body>
<h2>회원정보수정</h2><hr><p>
<form action="/${initParam.context_root }/modifyMember" method="post">
<table width="500">
<tr>
<td>아이디</td><td>${sessionScope.memberDTO.id }</td>
</tr>
<tr>
<td>비밀번호</td><td><input type="text" name="password"></td>
</tr>
<tr>
<td>이름</td><td><input type="text" name="name" value="${sessionScope.memberDTO.name }"></td>
</tr>
<tr>
<td>주민번호</td><td><input type="text" name="register_no" value="${sessionScope.memberDTO.registerNumber }"></td>
</tr>
<tr>
<td>마일리지 ${sessionScope.memberDTO.mileage }</td>
</tr>
<tr>
<td colspan="2" align="center"><input type="submit" value="정보수정"><input type="reset" value="다시작성"></td>
</tr>
</table>
</form>
</body>
</html>

package member.servlet;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import member.dto.MemberDTO;

public class ModifyMemberServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

public ModifyMemberServlet() {
super();

}

protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}

Connection connection = null;
PreparedStatement preparedStatement = null;

String sql = "update member set password=?, name=?, registerNumber=? where id=?";
String resUrl = null;

}

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

<%@page import="member.dto.MemberDTO"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="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>Insert title here</title>
</head>
<%--
<%
MemberDTO memberDTO = (MemberDTO)session.getAttribute("memberDTO");
%>
--%>
<body>
<%--
<h2>수정된 정보</h2><hr><p>
아이디 : <%=memberDTO.getId() %><br>
비밀번호 : <%=memberDTO.getPassword() %><br>
이름 : <%=memberDTO.getName() %><br>
주민번호 : <%=memberDTO.getRegisterNumber().substring(0, 6) %>-<%=memberDTO.getRegisterNumber().substring(6) %><br>
마일리지 : <%=memberDTO.getMileage() %><br>
--%>
<h2>수정된 정보</h2><hr><p>
아이디 :${sessionScope.memberDTO.id }<br>
비밀번호 :${sessionScope.memberDTO.password }<br>
이름 : ${sessionScope.memberDTO.name }<br>
주민번호 :${sessionScope.memberDTO.registerNumber }<br>
마일리지 :${sessionScope.memberDTO.mileage }<br>
</body>
</html>

package member.servlet;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import member.dto.MemberDTO;

public class RemoveMemberServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

public RemoveMemberServlet() {
super();

}

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request,response);
}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  HttpSession httpSession = request.getSession();
  MemberDTO memberDTO = (MemberDTO)httpSession.getAttribute("memberDTO");

  //DB연결
  Connection connection = null;
  PreparedStatement preparedStatement = null;
  ServletContext servletContext = getServletContext();
  String url = servletContext.getInitParameter("url");
  String user = servletContext.getInitParameter("user");
  String dbPwd = servletContext.getInitParameter("password");

  String sql = "delete from member where id=?";
  String resUrl = null;
  if(memberDTO!=null){
  try {
   connection = DriverManager.getConnection(url, user, dbPwd);
   preparedStatement = connection.prepareStatement(sql);
   preparedStatement.setString(1, memberDTO.getId());
   int cnt = preparedStatement.executeUpdate();
   System.out.println(cnt+"개의 행이 삭제 되었습니다.");
   resUrl = "/index.jsp";
   httpSession.invalidate();
   //httpSession.removeAttribute("memberDTO");
  } catch (SQLException e) {
   e.printStackTrace();
   request.setAttribute("error_message", e.getMessage());
   resUrl = "/res/error.jsp";
  } finally{
   if(preparedStatement!=null){
    try {
     preparedStatement.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
   if(connection!=null){
    try {
     connection.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
  }
}else{
  request.setAttribute("error_message", "로그인 정보가 없습니다.");
  resUrl = "/login_form.jsp";
}
  RequestDispatcher requestDispatcher = request.getRequestDispatcher(resUrl);
  requestDispatcher.forward(request, response);
}
}

package member.servlet;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;

import member.dto.MemberDTO;

public class GetAllMemberInfoServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

public GetAllMemberInfoServlet() {
super();

}

protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}

protected void doPost(HttpServletRequest request,
   HttpServletResponse response) throws ServletException, IOException {
  ServletContext servletContext = getServletContext();
  String url = servletContext.getInitParameter("url");
  String user = servletContext.getInitParameter("user");
  String dbPwd = servletContext.getInitParameter("password");

  Connection connection = null;
  PreparedStatement preparedStatement = null;
  ResultSet resultSet = null;
  String sql = "select * from member";
  ArrayList<MemberDTO> list = new ArrayList<MemberDTO>();
  String resUrl = null;
  try {
   connection = DriverManager.getConnection(url, user, dbPwd);
   preparedStatement = connection.prepareStatement(sql);
   resultSet = preparedStatement.executeQuery();
   while (resultSet.next()) {
    MemberDTO memberDTO = new MemberDTO(resultSet.getString(1),
      resultSet.getString(2), resultSet.getString(3),
      resultSet.getString(4), resultSet.getInt(5));
    list.add(memberDTO);
   }
   request.setAttribute("member_list", list);
   resUrl ="/member_list.jsp";

  } catch (SQLException e) {
   e.printStackTrace();
   request.setAttribute("error_message", e.getMessage());
   resUrl = "/res/error.jsp";
  } finally {
   if (resultSet != null) {
    try {
     resultSet.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
   if (preparedStatement != null) {
    try {
     preparedStatement.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
   if (connection != null) {
    try {
     connection.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }

  }
  RequestDispatcher requestDispatcher = request.getRequestDispatcher(resUrl);
  requestDispatcher.forward(request, response);
}

}

<%@page import="member.dto.MemberDTO"%>
<%@page import="java.util.ArrayList"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!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>
<c:set var="member_list" scope="request" value="${member_list }"/>

<%--
<%
ArrayList<MemberDTO> member_list = (ArrayList<MemberDTO>)request.getAttribute("member_list");
%>
--%>
<body>

<h2>모든 회원 목록조회</h2><hr><p>
<table width="500" border="1" cellspacing="0">
<tr align="center">
<td>순번</td><td>아이디</td><td>이름</td><td>주민번호</td><td>마일리지</td>
</tr>
<%--
<%
for(int i=0;i<member_list.size();i++){
%>
<tr align="center">
<td><%=i+1 %></td><td><%=member_list.get(i).getId() %></td><td><a href="/servlet_member/SearchMemberByID?id=<%=member_list.get(i).getId()%>"><%=member_list.get(i).getName() %></a></td><td><%=member_list.get(i).getRegisterNumber().substring(0, 6) %>-<%=member_list.get(i).getRegisterNumber().substring(6) %></td><td><%=member_list.get(i).getMileage() %></td>
</tr>

<%} %>
--%>
<c:forEach items="${requestScope.member_list }" var="member_list" varStatus="cnt">
<tr align="center">
<td>${cnt.count }</td><td>${member_list.id }</td><td><a href="/servlet_member/SearchMemberByID?id=${member_list.id }">${member_list.name }</a></td><td>${member_list.registerNumber }</td><td>${member_list.mileage }</td>
</tr>
</c:forEach>
</table>

</body>
</html>

member_servlet_text.zip

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