2012-5-15 MVC를 활용한 회원관리 프로그램(FrontController 사용)

package member.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import member.dto.ForwardDTO;
//모든 Controller 클래스의 type이 되는 interface
// 컨트롤러 로직 처리 메소드를 선언
public interface Controller {
 public ForwardDTO execute(HttpServletRequest request, HttpServletResponse response) throws Exception;
}

 

 

package member.controller;

import java.sql.SQLException;
import java.util.ArrayList;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import member.dto.ForwardDTO;
import member.dto.MemberDTO;
import memver.model.service.MemberManageService;

public class GetAllMemberInfoController implements Controller {

 @Override
 public ForwardDTO execute(HttpServletRequest request,
   HttpServletResponse response) throws Exception {
  MemberManageService memberManageService = MemberManageService.getInstance();
  ForwardDTO forwardDTO = null;
  try {
   ArrayList<MemberDTO> list = memberManageService.getMemberList();
   request.setAttribute("member_list", list);
   forwardDTO = new ForwardDTO("/member_list.jsp", false);
   
  } catch (SQLException e) {
   e.printStackTrace();
   request.setAttribute("error_message", e.getMessage());
   forwardDTO = new ForwardDTO("/res/error.jsp", false);
   
  }
  return forwardDTO;
 }

}

 

package member.controller;

import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import member.dto.ForwardDTO;
import member.dto.MemberDTO;
import memver.model.service.MemberManageService;

public class LoginController implements Controller{
 public ForwardDTO execute(HttpServletRequest request,HttpServletResponse response) throws Exception{
  //1. 요청파라미터 조회

  String id = request.getParameter("id");
  String password = request.getParameter("password");
  //서비스 instance 받아오기
  MemberManageService memberManageService = MemberManageService.getInstance();
  
  ForwardDTO forwardDTO = null;
  try {
   MemberDTO mto = memberManageService.getMemberById(id);
   //아이디가 맞는 경우
   if(mto!=null){
    //아이디가 맞고 비밀번호도 맞는 경우
    if(mto.getPassword().equals(password)){
    //세션으로 로그인 정보 넘기기
    HttpSession httpSession = request.getSession();
    httpSession.setAttribute("memberDTO", mto);
    forwardDTO = new ForwardDTO("/res/login_success.jsp", false);
    }
    else{//아이디는 맞고 비밀번호는 틀린경우
     
     request.setAttribute("error_message", "비밀번호가 틀립니다.");
     forwardDTO = new ForwardDTO("/login_form.jsp", false);
    }
   }else{//아이디도 틀리고 비밀번호도 틀린경우
    
    request.setAttribute("error_message", "아이디가 틀립니다.");
    forwardDTO = new ForwardDTO("/login_form.jsp", false);
   }
   
  } catch (SQLException e) {
   e.printStackTrace();
   forwardDTO = new ForwardDTO( "/res/error.jsp", false);
   request.setAttribute("error_message", e.getMessage());
  }
  return forwardDTO;
 }
}

 

package member.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import member.dto.ForwardDTO;
import member.dto.MemberDTO;

public class LogoutController implements Controller {

 @Override
 public ForwardDTO execute(HttpServletRequest request,
   HttpServletResponse response) throws Exception {
  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");
  }
  return new ForwardDTO("/login_form.jsp", false);
 }

}

 

package member.controller;

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 member.dto.ForwardDTO;
//FrontController 서블릿
public class MemberFrontController extends HttpServlet {
 private static final long serialVersionUID = 1L;

    public MemberFrontController() {
        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 {
  //Controller 수행 전 작업(공통) - 한글처리
  request.setCharacterEncoding("utf-8");
  //Controller 로직 처리 - Controller 로직 호출
  String command = request.getParameter("command");//클라이언트가 어떤 요청을 했는지 조회
  System.out.println(command);
  Controller controller = null;
  if(command.equals("login")){
   controller = new LoginController();
  }else if(command.equals("logout")){
   controller = new LogoutController();
  }else if(command.equals("member_list")){
   controller = new GetAllMemberInfoController();
  }else if(command.equals("register_member")){
   controller = new RegisterMemberController();
  }else if(command.equals("modify_member_list")){
   controller = new ModifyFormController();
  }else if(command.equals("member_modify")){
   controller = new ModifyMemberController();
  }else if(command.equals("member_remove")){
   controller = new RemoveMemberController();
  }else if(command.equals("member_search")){
   controller = new SearchByMileageRangeController();
  }else if(command.equals("searchMemberByName")){
   controller = new SearchByMemberName();
  }
  ForwardDTO forwardDTO = null;
  try {
   forwardDTO = controller.execute(request, response);
  } catch (Exception e) {
   e.printStackTrace();
   forwardDTO = new ForwardDTO("/res/error.jsp", false);
  }
  //Controller 수행 후 작업(공통) - 응답(View로 수행 이동)
  if(forwardDTO.isRedirect()){
   response.sendRedirect(forwardDTO.getUrl());
  }else{
   RequestDispatcher requestDispatcher = request.getRequestDispatcher(forwardDTO.getUrl());
   requestDispatcher.forward(request, response);
  }
  
  
 }

}

 

package member.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import member.dto.ForwardDTO;
import member.dto.MemberDTO;

public class ModifyFormController implements Controller {

 @Override
 public ForwardDTO execute(HttpServletRequest request,
   HttpServletResponse response) throws Exception {
  HttpSession httpSession = request.getSession();
  MemberDTO memberDTO = (MemberDTO) httpSession.getAttribute("memberDTO");
  ForwardDTO forwardDTO = null;
  if(memberDTO==null){
   httpSession.setAttribute("error_message", "로그인 정보가 없습니다");
   
   forwardDTO = new ForwardDTO("/login_form.jsp", false);
  }else{
   forwardDTO = new ForwardDTO( "/res/modify_form.jsp", false);
   
  }
  return forwardDTO;
 }

}

 

package member.controller;

import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import member.dto.ForwardDTO;
import member.dto.MemberDTO;
import memver.model.service.MemberManageService;

public class ModifyMemberController implements Controller {

 @Override
 public ForwardDTO execute(HttpServletRequest request,
   HttpServletResponse response) throws Exception {
  HttpSession httpSession = request.getSession();
  MemberDTO login_info = (MemberDTO) httpSession.getAttribute("memberDTO");
  ForwardDTO forwardDTO = null;
  if(login_info!= null){//로그인이 된 경우
   try {
    MemberManageService memberManageService = MemberManageService.getInstance();
 
    MemberDTO mdto = (MemberDTO) request.getAttribute("mdto");
    //update 시 오류가 날수 있기 때문에 DB를 먼저 update 하고 session의 값을 바꿔 줘야 한다.
    memberManageService.modifyMember(mdto);
    mdto.setMileage(login_info.getMileage());
    httpSession.setAttribute("memberDTO", mdto);
    forwardDTO = new ForwardDTO("/res/member_details.jsp", false);
   
   } catch (SQLException e) {//예외 에러
    e.printStackTrace();
    request.setAttribute("error_message", e.getMessage());
    forwardDTO = new ForwardDTO("/res/error.jsp", false);
    
   }
  }else{//로그인이 안 된경우
   request.setAttribute("error_message", "로그인 부터 해주세요.");
   forwardDTO = new ForwardDTO("/login_form.jsp", false);
   
  }
  return forwardDTO;
 }

}

 

package member.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import member.dto.ForwardDTO;
import member.dto.MemberDTO;
import memver.model.service.MemberManageService;

public class RegisterMemberController implements Controller{

 @Override
 public ForwardDTO execute(HttpServletRequest request,
   HttpServletResponse response) throws Exception {
  //1.요청파라미터 조회
  MemberDTO mdto = (MemberDTO)request.getAttribute("mdto");
  mdto.setMileage(1000);
  //2. Business Logic 처리 - MemberManageService.registerMember()
  MemberManageService memberManageService = MemberManageService.getInstance();
  ForwardDTO forwardDTO = null;
  try {
   memberManageService.registerMember(mdto);
   
   forwardDTO = new ForwardDTO("/res/register_success.jsp", false);
  } catch (Exception e) {
   e.printStackTrace();
   request.setAttribute("error_message", e.getMessage());
   forwardDTO = new ForwardDTO("/res/error.jsp", false);
   
  }
  return forwardDTO;
 }

}

 

package member.controller;

import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import member.dto.ForwardDTO;
import member.dto.MemberDTO;
import memver.model.service.MemberManageService;

public class RemoveMemberController implements Controller {

 @Override
 public ForwardDTO execute(HttpServletRequest request,
   HttpServletResponse response) throws Exception {
  HttpSession httpSession = request.getSession();
  MemberDTO memberDTO = (MemberDTO) httpSession.getAttribute("memberDTO");
  System.out.println("*****************"+memberDTO);
  MemberManageService memberManageService = MemberManageService.getInstance();

  ForwardDTO forwardDTO = null;
  if (memberDTO != null) {
   try {
    memberManageService.removeMemberById(memberDTO.getId());
    httpSession.invalidate();
    forwardDTO = new ForwardDTO("/login_form.jsp", false);
    
   } catch (SQLException e) {
    e.printStackTrace();
    request.setAttribute("error_message", e.getMessage());
    forwardDTO = new ForwardDTO("/res/error.jsp", false);
    
   }
  
  } else {
   request.setAttribute("error_message", "로그인 정보가 없습니다.");
   forwardDTO = new ForwardDTO("/login_form.jsp", false);
  }
  return forwardDTO;
 }

}

 

package member.controller;

import java.sql.SQLException;
import java.util.ArrayList;

import javax.servlet.RequestDispatcher;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import member.dto.ForwardDTO;
import member.dto.MemberDTO;
import memver.model.service.MemberManageService;

public class SearchByMemberName implements Controller {

 @Override
 public ForwardDTO execute(HttpServletRequest request,
   HttpServletResponse response) throws Exception {
  //1.한글처리
  request.setCharacterEncoding("utf-8");
  //2. 요청파라미터 받기
  String name = null;
  ArrayList<MemberDTO> list = new ArrayList<MemberDTO>();
  ForwardDTO forwardDTO = null;
  try{
  name = request.getParameter("name");
  }catch(NullPointerException e){
   request.setAttribute("error_message", e.getMessage()+"조회할 이름을 입력해 주세요.");
   forwardDTO = new ForwardDTO("/search_form.jsp", false);
   return forwardDTO;
  }
  try{
  MemberManageService memberManageService = MemberManageService.getInstance();
  list = memberManageService.getSearchByMemberName(name);
  request.setAttribute("searchList", list);
  request.setAttribute("title", "이름으로 조회 결과");
  request.setAttribute("search_value", name);
  forwardDTO = new ForwardDTO("/res/search_result.jsp", false);
  }catch(SQLException e){
   e.printStackTrace();
   request.setAttribute("error_message", e.getMessage());
   forwardDTO = new ForwardDTO( "/res/error.jsp", false);
  }
  return forwardDTO;
 }

}

 

package member.controller;

import java.sql.SQLException;
import java.util.ArrayList;

import javax.servlet.RequestDispatcher;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import member.dto.ForwardDTO;
import member.dto.MemberDTO;
import memver.model.service.MemberManageService;

public class SearchByMileageRangeController implements Controller {

 @Override
 public ForwardDTO execute(HttpServletRequest request,
   HttpServletResponse response) throws Exception {
  int startMileage = 0;
  int endMileage = 0;
  MemberManageService memberManageService = MemberManageService.getInstance();
  ArrayList<MemberDTO> list;
  ForwardDTO forwardDTO = null;
  try{
    startMileage = Integer.parseInt(request.getParameter("startMileage"));
    endMileage = Integer.parseInt(request.getParameter("endMileage"));
  }catch(NumberFormatException e){
   e.printStackTrace();
   request.setAttribute("error_message", e.getMessage()+"숫자를 넣어주세요");
   
   forwardDTO = new ForwardDTO("/search_form.jsp", false);

   return forwardDTO;
  }

  try {
   list = memberManageService.selectMemberByMileageRange(startMileage,endMileage);
   request.setAttribute("searchList", list);
   request.setAttribute("title", "마일리지 범위로 조회 결과");
   request.setAttribute("search_value", startMileage+"~"+endMileage);
   forwardDTO = new ForwardDTO("/res/search_result.jsp", false);
   
   
  } catch (SQLException e) {
   e.printStackTrace();
   request.setAttribute("error_message", e.getMessage());
   forwardDTO = new ForwardDTO( "/res/error.jsp", false);
   
  }
  return forwardDTO;
 }

}

 

* DTO

 

package member.dto;
//url값을 가지고 있는 DTO
public class ForwardDTO {
 private String url;
 private boolean redirect;//true-리다이렉트, false - 요청디스패치
 public ForwardDTO() {
  super();
  // TODO Auto-generated constructor stub
 }
 public ForwardDTO(String url, boolean redirect) {
  super();
  this.url = url;
  this.redirect = redirect;
 }
 public String getUrl() {
  return url;
 }
 public void setUrl(String url) {
  this.url = url;
 }
 public boolean isRedirect() {
  return redirect;
 }
 public void setRedirect(boolean redirect) {
  this.redirect = redirect;
 }
 @Override
 public String toString() {
  return "ForwardDTO [url=" + url + ", redirect=" + redirect + "]";
 }
 @Override
 public int hashCode() {
  final int prime = 31;
  int result = 1;
  result = prime * result + (redirect ? 1231 : 1237);
  result = prime * result + ((url == null) ? 0 : url.hashCode());
  return result;
 }
 @Override
 public boolean equals(Object obj) {
  if (this == obj)
   return true;
  if (obj == null)
   return false;
  if (getClass() != obj.getClass())
   return false;
  ForwardDTO other = (ForwardDTO) obj;
  if (redirect != other.redirect)
   return false;
  if (url == null) {
   if (other.url != null)
    return false;
  } else if (!url.equals(other.url))
   return false;
  return true;
 }
 
}

 

package member.dto;

public class MemberDTO {
 private String id;
 private String password;
 private String name;
 private String registerNumber1;
 private String registerNumber2;
 private int mileage;
 public MemberDTO() {
  super();
 }
 public MemberDTO(String id, String password, String name,
   String registerNumber1, String registerNumber2, int mileage) {
  super();
  this.id = id;
  this.password = password;
  this.name = name;
  this.registerNumber1 = registerNumber1;
  this.registerNumber2 = registerNumber2;
  this.mileage = mileage;
 }
 public String getId() {
  return id;
 }
 public void setId(String id) {
  this.id = id;
 }
 public String getPassword() {
  return password;
 }
 public void setPassword(String password) {
  this.password = password;
 }
 public String getName() {
  return name;
 }
 public void setName(String name) {
  this.name = name;
 }
 public String getRegisterNumber1() {
  return registerNumber1;
 }
 public void setRegisterNumber1(String registerNumber1) {
  this.registerNumber1 = registerNumber1;
 }
 public String getRegisterNumber2() {
  return registerNumber2;
 }
 public void setRegisterNumber2(String registerNumber2) {
  this.registerNumber2 = registerNumber2;
 }
 public int getMileage() {
  return mileage;
 }
 public void setMileage(int mileage) {
  this.mileage = mileage;
 }
 @Override
 public String toString() {
  return "MemberDTO [id=" + id + ", password=" + password + ", name="
    + name + ", registerNumber1=" + registerNumber1
    + ", registerNumber2=" + registerNumber2 + ", mileage="
    + mileage + "]";
 }
 @Override
 public int hashCode() {
  final int prime = 31;
  int result = 1;
  result = prime * result + ((id == null) ? 0 : id.hashCode());
  result = prime * result + mileage;
  result = prime * result + ((name == null) ? 0 : name.hashCode());
  result = prime * result
    + ((password == null) ? 0 : password.hashCode());
  result = prime * result
    + ((registerNumber1 == null) ? 0 : registerNumber1.hashCode());
  result = prime * result
    + ((registerNumber2 == null) ? 0 : registerNumber2.hashCode());
  return result;
 }
 @Override
 public boolean equals(Object obj) {
  if (this == obj)
   return true;
  if (obj == null)
   return false;
  if (getClass() != obj.getClass())
   return false;
  MemberDTO other = (MemberDTO) obj;
  if (id == null) {
   if (other.id != null)
    return false;
  } else if (!id.equals(other.id))
   return false;
  if (mileage != other.mileage)
   return false;
  if (name == null) {
   if (other.name != null)
    return false;
  } else if (!name.equals(other.name))
   return false;
  if (password == null) {
   if (other.password != null)
    return false;
  } else if (!password.equals(other.password))
   return false;
  if (registerNumber1 == null) {
   if (other.registerNumber1 != null)
    return false;
  } else if (!registerNumber1.equals(other.registerNumber1))
   return false;
  if (registerNumber2 == null) {
   if (other.registerNumber2 != null)
    return false;
  } else if (!registerNumber2.equals(other.registerNumber2))
   return false;
  return true;
 }
 
 
}

 

* exception

 

package member.exception;

public class DuplicatedIdException extends Exception{
 public DuplicatedIdException(){}
 public DuplicatedIdException(String message){
  super(message);
 }
}

 

package member.exception;

public class DuplicatedRegisterNumberException extends Exception{
 public DuplicatedRegisterNumberException(){}
 public DuplicatedRegisterNumberException(String message){
  super(message);
 }
}

 

*DAO

 

package member.model.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;

import org.apache.tomcat.dbcp.dbcp.BasicDataSource;

import member.dto.MemberDTO;
import member.util.DatabaseUtility;

public class MemberDAO {
 private static MemberDAO instance = new MemberDAO();
 private DatabaseUtility dbUtil;
 private MemberDAO(){
  dbUtil = DatabaseUtility.getInstance();
 }
 public static MemberDAO getInstance(){
  return instance;
 }
 /*
  * id로 회원 정보를 조회하야 return 하는 메소드
  * @param id 조회할 회원 ID
  * @return
  * @throws SQLException
  */
 public MemberDTO selectMemberById(String id)throws SQLException{
  //조회된 결과가 없다면 mto에 null값이 넘어간다.
  MemberDTO mto= null;
  Connection conn=null;
  PreparedStatement pstmt = null;
  ResultSet rset = null;
  String sql = "select id, password, name, register_number1, register_number2, mileage from member where id=?";
  try{
   BasicDataSource ds = dbUtil.getDataSource();
   conn = ds.getConnection();
   pstmt = conn.prepareStatement(sql);
   pstmt.setString(1, id);
   rset = pstmt.executeQuery();
   if(rset.next()){
    mto = new MemberDTO(rset.getString(1),rset.getString(2),rset.getString(3),rset.getString(4),rset.getString(5),rset.getInt(6));
   }
  }finally{
   dbUtil.close(rset, pstmt, conn);
  }
  return mto;
 }
 /*
  * 주민번호로 회원 정보를 조회하는 메소드
  * @param registerNumber1 주민번호 앞6자리
  * @param registerNumber2 주민번호 뒤7자리
  * @return
  * @thows SQLException
  */
 public MemberDTO selectMemberByregisterNumber(String registerNumber1, String registerNumber2)throws SQLException{
  MemberDTO mto= null;
  BasicDataSource ds = dbUtil.getDataSource();
  Connection conn = null;
  PreparedStatement pstmt = null;
  ResultSet rset = null;
  String sql = "select id, password, name, register_number1, register_number2, mileage from member where register_Number1=? and register_Number2=?";
  try{
   conn = ds.getConnection();
   pstmt = conn.prepareStatement(sql);
   pstmt.setString(1, registerNumber1);
   pstmt.setString(2, registerNumber2);
   rset = pstmt.executeQuery();
   if(rset.next()){
    mto = new MemberDTO(rset.getString(1), rset.getString(2), rset.getString(3), rset.getString(4), rset.getString(5), rset.getInt(6));
   }
  }finally{
   dbUtil.close(rset, pstmt, conn);
  }
  return mto;
 }
 /*
  * 회원정보를 DB에 insert하는 메소드
  * @param mto 등록할 회원 정보
  * @throws SQLEception
  */
 public void insertMember(MemberDTO mto)throws SQLException{
  BasicDataSource ds = dbUtil.getDataSource();
  Connection conn = null;
  PreparedStatement pstmt = null;
  String sql = "insert into member (id, password, name, register_number1, register_number2, mileage) values(?,?,?,?,?,?)";
  
  try{
  conn = ds.getConnection();
  pstmt = conn.prepareStatement(sql);
  pstmt.setString(1, mto.getId());
  pstmt.setString(2, mto.getPassword());
  pstmt.setString(3, mto.getName());
  pstmt.setString(4, mto.getRegisterNumber1());
  pstmt.setString(5, mto.getRegisterNumber2());
  pstmt.setInt(6, mto.getMileage());
  int cnt = pstmt.executeUpdate();
  System.out.println(cnt+"개의 행이 삽입되었습니다.");
  }finally{
   dbUtil.close(pstmt, conn);
  }
 }
 public ArrayList<MemberDTO> selectAllMember() throws SQLException{
  ArrayList<MemberDTO> list = new ArrayList<MemberDTO>();
  
  Connection conn = null;
  PreparedStatement pstmt = null;
  ResultSet rset = null;
  String sql = "select id, password, name, register_number1, register_number2, mileage from member";
  try{
   BasicDataSource dataSource = dbUtil.getDataSource();
   conn = dataSource.getConnection();
   pstmt = conn.prepareStatement(sql);
   rset = pstmt.executeQuery();
  
   while(rset.next()){
    list.add(new MemberDTO(rset.getString(1), rset.getString(2),
      rset.getString(3), rset.getString(4), rset.getString(5), rset.getInt(6)));
    
   }
  }finally{
   dbUtil.close(rset, pstmt, conn);
  }
  
  return list;
 }
 public ArrayList<MemberDTO> selectMemberByMileageRange(int startMileage, int endMileage)throws SQLException {
  ArrayList<MemberDTO> searchMileageRangeMemberList = new ArrayList<MemberDTO>();
  Connection conn = null;
  PreparedStatement pstmt = null;
  ResultSet rset = null;
//  String sql = "select  id, password, name, register_number1, register_number2, mileage from member where mileage>=? and mileage<=?";
  String sql = "select  id, password, name, register_number1, register_number2, mileage from member where mileage between ? and ?";
  
  try{
   BasicDataSource dataSource = dbUtil.getDataSource();
   conn = dataSource.getConnection();
   pstmt = conn.prepareStatement(sql);
   pstmt.setInt(1, startMileage);
   pstmt.setInt(2, endMileage);
   rset = pstmt.executeQuery();
   while(rset.next()){
    searchMileageRangeMemberList.add(new MemberDTO(rset.getString(1), rset.getString(2), rset.getString(3), rset.getString(4), rset.getString(5), rset.getInt(6)));
   }
  }finally{
   dbUtil.close(rset, pstmt, conn);
  }
  return searchMileageRangeMemberList;
 }
 public void updateMember(MemberDTO mto) throws SQLException{
  Connection conn = null;
  PreparedStatement pstmt = null;
 
  String sql = "update member set password=?, name=?, register_Number1=?, register_number2=? where id=?";
 
  try{
  BasicDataSource dataSource = dbUtil.getDataSource();
  conn = dataSource.getConnection();
  pstmt = conn.prepareStatement(sql);
  pstmt.setString(1, mto.getPassword());
  pstmt.setString(2, mto.getName());
  pstmt.setString(3, mto.getRegisterNumber1());
  pstmt.setString(4, mto.getRegisterNumber2());
  pstmt.setString(5, mto.getId());
  int cnt = pstmt.executeUpdate();
  System.out.println(cnt+"개의 행이 수정되었습니다.");
  }finally{
   dbUtil.close(pstmt, conn);
  }
  
 }
 public void deleteMemberById(String id) throws SQLException{
  Connection conn = null;
  PreparedStatement pstmt = null;
  
  String sql = "delete from member where id=?";
  
  try{
  BasicDataSource dataSource = dbUtil.getDataSource();
  conn = dataSource.getConnection();
  pstmt = conn.prepareStatement(sql);
  pstmt.setString(1, id);
  int cnt = pstmt.executeUpdate();
  System.out.println(cnt+"개의 행이 삭제되었습니다.");
  }finally{
   dbUtil.close(pstmt, conn);
  }
 }
 public ArrayList<MemberDTO> searchByMemberName(String name) throws SQLException{
  Connection conn = null;
  PreparedStatement pstmt = null;
  ResultSet rset = null;
  ArrayList<MemberDTO> list = new ArrayList<MemberDTO>();
  String sql = "select id, password, name, register_number1, register_number2, mileage from member where name like '%'||?||'%'";
  try{
  BasicDataSource dataSource = dbUtil.getDataSource();
  conn = dataSource.getConnection();
  pstmt = conn.prepareStatement(sql);
 
  pstmt.setString(1, name);
  rset = pstmt.executeQuery();
  while(rset.next()){
   list.add(new MemberDTO(rset.getString(1), rset.getString(2), rset.getString(3), rset.getString(4), rset.getString(5), rset.getInt(6)));
 
  }
  }finally{
   dbUtil.close(rset, pstmt, conn);
  }
  
  return list;
 }
}

 

* util

 

package member.util;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import org.apache.tomcat.dbcp.dbcp.BasicDataSource;

//디비 관련과 커넥션을 만들어 놓은 클래스
//싱글톤 패턴을 사용해서 커넥션이 한번만 되도록 설정.
public class DatabaseUtility {
 //싱글톤 패턴 - 생성자에서 DataSource객체를 생성해서 instance변수에 할당.
 private BasicDataSource dataSource;
 private static DatabaseUtility instance = new DatabaseUtility();

 private DatabaseUtility(){
  dataSource = new BasicDataSource();//객체 생성
  //프라퍼티 설정
  //1. 연결할 DB와 관련된 설정
  dataSource.setDriverClassName("oracle.jdbc.driver.OracleDriver");//BasicDataSource를 사용하면 따로 드라이버 로딩을 해줄 필요가 없다. 바로 처리가능
  dataSource.setUrl("jdbc:oracle:thin:@127.0.0.1:1521:XE");
  dataSource.setUsername("scott");
  dataSource.setPassword("tiger");

 }
 public static DatabaseUtility getInstance(){
  return instance;
 }
 public BasicDataSource getDataSource(){//커넥션을 가져갈 수 있도록 만듬.
  return dataSource;
 }
 public void close(Statement stmt, Connection conn){
  if(stmt!=null){
   try {
    stmt.close();
   } catch (SQLException e) {
    e.printStackTrace();
   }
  }
  if(conn!=null){
   try {
    conn.close();
   } catch (SQLException e) {
    e.printStackTrace();
   }
  }
 }
 public void close(ResultSet rset, Statement stmt, Connection conn){
  if(rset!=null){
   try {
    rset.close();
   } catch (SQLException e) {
    e.printStackTrace();
   }
  }
  if(stmt!=null){
   try {
    stmt.close();
   } catch (SQLException e) {
    e.printStackTrace();
   }
  }
  if(conn!=null){
   try {
    conn.close();
   } catch (SQLException e) {
    e.printStackTrace();
   }
  }
 }
}

 

* service

 

package memver.model.service;

import java.sql.SQLException;
import java.util.ArrayList;

import member.dto.MemberDTO;
import member.exception.DuplicatedIdException;
import member.exception.DuplicatedRegisterNumberException;
import member.model.dao.MemberDAO;

public class MemberManageService {
 //회원 관리 비지니스 로직을 처리하는 Business Service 클래스
 private static MemberManageService instance = new MemberManageService();
 private MemberDAO dao;
 private MemberManageService(){
  dao = MemberDAO.getInstance();
 }
 public static MemberManageService getInstance(){
  return instance;
 }
 //가입 처리 메소드
 public void registerMember(MemberDTO mto)throws SQLException, DuplicatedIdException, DuplicatedRegisterNumberException{

  
  //1. 등록된 ID가 있는 지 체크
  //   - 이미 등록된 ID라면 DuplicatedIdException를 발생시킨다.
  if(dao.selectMemberById(mto.getId())!=null){
   throw new DuplicatedIdException(mto.getId()+"는 이미등록된 아이디 입니다.");
   
  }
  //2. 등록된 주민번호가 있는 지 체크
  //   - 이미 등록된 주민번호라면 DuplicatedRegisterNumberException 발생시킨다.
  if(dao.selectMemberByregisterNumber(mto.getRegisterNumber1(), mto.getRegisterNumber2())!=null){
   throw new DuplicatedRegisterNumberException("는 이미 가입된 주민번호 입니다.");
  }
  //3. 디비에 회원정보 등록 처리
  dao.insertMember(mto);
  
  
 
 }
 //전체 회원목록 조회
 public ArrayList<MemberDTO> getMemberList() throws SQLException{
  return dao.selectAllMember();
 }
 //마일리지 범위로 조회
 public ArrayList<MemberDTO> selectMemberByMileageRange(int startMileage, int endMileage)throws SQLException {
  return dao.selectMemberByMileageRange(startMileage, endMileage);
 }
 //ID로 회원 목록조회
 public MemberDTO getMemberById(String id) throws SQLException{
  return dao.selectMemberById(id);
 }
 public void modifyMember(MemberDTO mto) throws SQLException{
  dao.updateMember(mto);
  
 }
 public void removeMemberById(String id)throws SQLException {
  dao.deleteMemberById(id);
  
 }
 public ArrayList<MemberDTO> getSearchByMemberName(String name) throws SQLException{
  return dao.searchByMemberName(name);
  
 }
}

 

* res

 

<%@ 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>
<body>
<jsp:include page="/menu.jsp"/>
<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>

 

<%@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>
<jsp:include page="/menu.jsp"/>
${sessionScope.memberDTO.id } 님환영합니다.<p>
이름 : ${sessionScope.memberDTO.name }<br>
패스워드 : ${sessionScope.memberDTO.password }<br>
주민번호 : ${sessionScope.memberDTO.registerNumber1 }-${sessionScope.memberDTO.registerNumber2 }<br>
마일리지 : ${sessionScope.memberDTO.mileage }<br>
<a href='/${initParam.context_root }/controller?command=logout'>로그아웃</a>
<a href='/${initParam.context_root }/controller?command=modify_member_list'>회원정보조회(로그인한 회원의 정보)</a>
<!--<input  type="button" value="회원정보조회" onClick="location.href='/${initParam.context_root }/getMemberInfo'">   -->
</body>
</html>

 

<%@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>
<jsp:include page="/menu.jsp"/>
 <h2>회원정보보기</h2><p>
 아이디 : ${sessionScope.memberDTO.id }<br>
 이름 : ${sessionScope.memberDTO.name }<br>
 주민번호 : ${sessionScope.memberDTO.registerNumber1 }-${sessionScope.memberDTO.registerNumber2 }<br>
 마일리지 : ${sessionScope.memberDTO.mileage }<br>
 <p>
  <a href="/${initParam.context_root }/res/modify_form.jsp">회원정보수정</a>
  <a href="/${initParam.context_root }/controller?command=member_remove">회원 탈퇴</a>
 </p>
</body>
</html>

 

<%@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>
<jsp:include page="/menu.jsp"/>
<h2>회원정보수정</h2><hr><p>
<form action="/${initParam.context_root }/forward.jsp" method="post">
<input type="hidden" name="command" value="member_modify">
<input type="hidden" name="id" value="${sessionScope.memberDTO.id }">
<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="registerNumber1" value="${sessionScope.memberDTO.registerNumber1 }">-<input type="text" name="registerNumber2" value="${sessionScope.memberDTO.registerNumber2 }"></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>

 

<%@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>
<jsp:include page="/menu.jsp"/>
<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>

 

<%@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>
<jsp:include page="/menu.jsp"/>
<h2>가입 환영합니다.</h2>
<h3>가입 시 입력한 정보입니다. </h3>
ID : ${requestScope.mdto.id }
Password : ${requestScope.mdto.password }
이름 : ${requestScope.mdto.name }
주민번호 : ${requestScope.mdto.registerNumber1 } - ${requestScope.mdto.registerNumber2 }
마일리지 : ${requestScope.mdto.mileage }<p>
<a href="/${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>
<body>
<jsp:include page="/menu.jsp"/>

<h2> ${requestScope.title } </h2><hr><p>
조회조건 :  ${requestScope.search_value }
<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="${requestScope.searchList }" var="member_list" varStatus="cnt">
<tr align="center">
 <td>${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.registerNumber1 }-${member_list.registerNumber2 }</td><td>${member_list.mileage }</td>
</tr>
</c:forEach>
 
</table>
</body>
</html>

 

* WEB-INF

 

create table member(
 id varchar2(10),
 password varchar2(10) not null,
 name varchar2(50) not null,
 register_number varchar2(13) not null,
 mileage number,
 constraint member_pk primary key(id)
)
select id, password, name, register_number1, register_number2, mileage from member where name like '%'||?||'%'"

select * from member where id='1111';

delete from member where id='1111';

 

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <context-param>
    <param-name>context_root</param-name>
    <param-value>member_servlet_fc</param-value>
  </context-param>
  <display-name>member_servlet_fc</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
  <servlet>
    <description></description>
    <display-name>MemberFrontController</display-name>
    <servlet-name>MemberFrontController</servlet-name>
    <servlet-class>member.controller.MemberFrontController</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>MemberFrontController</servlet-name>
    <url-pattern>/controller</url-pattern>
  </servlet-mapping>
</web-app>

 

* WebContent

 

<%@page import="member.dto.MemberDTO"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%request.setCharacterEncoding("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>
<jsp:useBean id="mdto" class="member.dto.MemberDTO" scope="request"/>
<jsp:setProperty property="*" name="mdto"/>
<!--<jsp:setProperty property="mileage" value="1000" name="mdto"/>-->
<jsp:forward page="/controller"/>
 
<body>

</body>
</html>

 

<%@ 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>
<jsp:include page="/menu.jsp"/>
<h1>회원관리</h1>
<a href='/${initParam.context_root }/register_form.jsp'>회원가입폼</a><br>
<a href='/${initParam.context_root }/login_form.jsp'>로그인폼</a>
<a href='/${initParam.context_root }/controller?command=member_list'>전체 회원 조회</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"%>
<c:if test="${sessionScope.memberDTO != null }">
 <jsp:forward page="/res/member_details.jsp"/>
</c:if>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<c:if test="${requestScope.error_message!=null }">
<font color="red">${requestScope.error_message }</font>
</c:if><br>
<body>
<jsp:include page="/menu.jsp"/>
<form action="/${initParam.context_root }/controller" method="post">
<input type="hidden" name="command" value="login">
<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>

 

<%@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>
<title>Insert title here</title>

 
<body>
<jsp:include page="/menu.jsp"/>
<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.registerNumber1 }-${member_list.registerNumber2 }</td><td>${member_list.mileage }</td>
</tr>
</c:forEach>
</table>
</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" %>

<a href='/${initParam.context_root }/index.jsp'>메인페이지</a>&nbsp;&nbsp;
<c:choose>
 <c:when test="${sessionScope.memberDTO == null }">
  <a href='/${initParam.context_root }/register_form.jsp'>회원가입폼</a>&nbsp;&nbsp;
  <a href="/${initParam.context_root }/login_form.jsp">로그인폼</a>&nbsp;&nbsp;
  <a href="/${initParam.context_root }/search_form.jsp">검색</a>&nbsp;&nbsp;
 </c:when>
 <c:otherwise>
  <a href='/${initParam.context_root }/controller?command=logout'>로그아웃</a>&nbsp;&nbsp;
  <a href="/${initParam.context_root }/controller?command=modify_member_list">회원정보조회</a>&nbsp;&nbsp;
  <a href="/${initParam.context_root }/res/modify_form.jsp">회원정보 수정</a>&nbsp;&nbsp;
  <a href="/${initParam.context_root }/controller?command=member_remove">회원 탈퇴</a>&nbsp;&nbsp;
  
  
 </c:otherwise>
</c:choose>
<a href="/${initParam.context_root }/controller?command=member_list">전체 회원정보 조회</a>
<hr width="700" align="left" noshade="noshade">

 

<%@ 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>
<jsp:include page="/menu.jsp"/>
<form action="/${initParam.context_root }/forward.jsp" method="post">

<input type="hidden" name="command" value="register_member">
 
<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="password" 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="registerNumber1" maxlength="6" size="6">-
   <input type="text" name="registerNumber2" maxlength="7" size="7">
  
  </td>
 </tr>
 <tr>
  <td colspan="2" align="center"><input type="submit" value="가입">
  <input type="reset" value="다시작성"></td>
 </tr>
</table>
</form>
</body>
</html>

 

<%@ 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>
<font size="2" color="red">${requestScope.error_message }</font><br>
마일리지 검색하기<hr><p>
<form action="/${initParam.context_root }/controller?command=member_search" method="post">
범위 : <input type = "text" name="startMileage">~<input type = "text" name="endMileage">
<input type="submit" value="검색">
</form>
<br>
<form action="/${initParam.context_root }/controller" method="post">
이름 : <input type="text" name="name">
<input type="submit" value="이름으로  검색">
<input type="hidden" name="command" value="searchMemberByName">
</form>
</body>
</html>

 

* 결과보기

 

* 전체소스(내꺼)

member_servlet_fc.zip

강사님 소스

member_servlet_fc.zip

 

* ControllerCommandMapping 만들기

 

package member.controller;

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 member.dto.ForwardDTO;
//FrontController 서블릿
public class MemberFrontController extends HttpServlet {
 private static final long serialVersionUID = 1L;

    public MemberFrontController() {
        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 {
  //Controller 수행 전 작업(공통) - 한글처리
  request.setCharacterEncoding("utf-8");
  //Controller 로직 처리 - Controller 로직 호출
  String command = request.getParameter("command");//클라이언트가 어떤 요청을 했는지 조회
  System.out.println(command);
  
  Controller controller = ControllerCommandMapping.getController(command);
  
  ForwardDTO forwardDTO = null;
  try {
   forwardDTO = controller.execute(request, response);
  } catch (Exception e) {
   e.printStackTrace();
   forwardDTO = new ForwardDTO("/res/error.jsp", false);
  }
  //Controller 수행 후 작업(공통) - 응답(View로 수행 이동)
  if(forwardDTO.isRedirect()){
   response.sendRedirect(forwardDTO.getUrl());
  }else{
   RequestDispatcher requestDispatcher = request.getRequestDispatcher(forwardDTO.getUrl());
   requestDispatcher.forward(request, response);
  }
  
  
 }

}

 

package member.controller;

public class ControllerCommandMapping {
 public static Controller getController(String command){
  Controller controller = null;
  if(command.equals("login")){
   controller = new LoginController();
  }else if(command.equals("logout")){
   controller = new LogoutController();
  }else if(command.equals("member_list")){
   controller = new GetAllMemberInfoController();
  }else if(command.equals("register_member")){
   controller = new RegisterMemberController();
  }else if(command.equals("modify_member_list")){
   controller = new ModifyFormController();
  }else if(command.equals("member_modify")){
   controller = new ModifyMemberController();
  }else if(command.equals("member_remove")){
   controller = new RemoveMemberController();
  }else if(command.equals("member_search")){
   controller = new SearchByMileageRangeController();
  }else if(command.equals("searchMemberByName")){
   controller = new SearchByMemberName();
  }
  return controller;
 }
}