231010_회원정보관리

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관리 메뉴

거니의 velog

231010_회원정보관리_문제풀이 본문

대덕인재개발원_자바기반 애플리케이션

231010_회원정보관리_문제풀이

Unlimited00 2023. 10. 10. 20:34

- 프로젝트 폴더 구조를 이렇게 짜야(MVC 패턴)
http://localhost:8090/webMemImgTest/
주소로 들어올 수 있다.

[index.jsp]

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8" />
		<title>회원목록보기</title>
	</head>
	<body>
		<a href="<%=request.getContextPath()%>/member/memberList.do">회원목록보기</a>
	</body>
</html>

[MemberList.java]

package kr.or.ddit.member.controller;

import java.io.IOException;
import java.util.List;

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 kr.or.ddit.member.service.IMemberService;
import kr.or.ddit.member.service.MemberServiceImpl;
import kr.or.ddit.vo.MemberVO;


@WebServlet("/member/memberList.do")
public class MemberList extends HttpServlet {
	
	private static final long serialVersionUID = 1L;

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		IMemberService service = MemberServiceImpl.getInstance();
		
		// 전체 회원 목록을 구한다.
		List<MemberVO> memList = service.getAllMember();
		
		// 구해진 전체 회원 목록을 Request객체에 저장한다.
		request.setAttribute("memberList", memList);
		
		// View페이지로 포워딩 한다.
		request.getRequestDispatcher("/WEB-INF/view/member/memberList.jsp").forward(request, response);

	}

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

}

[memberList.jsp]

<%@page import="kr.or.ddit.vo.MemberVO"%>
<%@page import="java.util.List"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8" />
		<title>회원 목록</title>
		<style>
			table, tr, td {
				border: 1px solid blue;
			}
			td {
				padding: 5px;
			}
		</style>
		<script type="text/javascript" src="<%=request.getContextPath()%>/js/jquery-3.7.1.min.js"></script>
		<script type="text/javascript">
			$(function(){
				$("#addBtn").on("click", function(){
					location.href = "<%=request.getContextPath()%>/member/memberInsert.do";
				});
			});
		</script>
	</head>
	<body>
		<%
			List<MemberVO> memList = (List<MemberVO>) request.getAttribute("memberList");
		%>
		<h2>회원 목록 보기</h2>
		<table border="1">
			<thead>
				<tr>
					<td colspan="5" style="text-align: right;"><input type="button" id="addBtn" value="회원추가"></td>
				</tr>
				<tr>
					<th>ID</th>
					<th>비밀번호</th>
					<th>이 름</th>
					<th>전 화</th>
					<th>주 소</th>
				</tr>
			</thead>
			<tbody>
				<%
					for (MemberVO memvo : memList) {
				%>
				<tr>
					<td><a href="<%=request.getContextPath()%>/member/memberView.do?mem_id=<%=memvo.getMem_id()%>"><%=memvo.getMem_id()%></a></td>
					<td><%=memvo.getMem_pass()%></td>
					<td><%=memvo.getMem_name()%></td>
					<td><%=memvo.getMem_tel()%></td>
					<td><%=memvo.getMem_addr()%></td>
				</tr>
				<%
					}
				%>
			</tbody>
		</table>
	</body>
</html>

- http://localhost:8090/webMemImgTest/member/memberList.do

[memberForm.jsp]

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8"/>
		<title>Insert title here</title>
	
		<style type="text/css">
			table, tr, td { border:1px solid blue; border-collapse: collapse; }
			td { padding:5px;}
		</style>
	
		<script type="text/javascript" src="<%=request.getContextPath()%>/js/jquery-3.7.1.min.js"></script>
	
		<script type="text/javascript">
	
			$(function(){
				$("#btnList").on("click", function(){
					location.href="<%=request.getContextPath()%>/member/memberList.do";
				});
				
				$("#idCheck").on("click", function(){
					var memId = $("#mem_id").val();
					if(memId==""){
						alert("ID를 입력하세요");
						return;
					}
					
					$.ajax({
				    	 url : '<%=request.getContextPath()%>/member/memberIdCheck.do',
				    	 data : { "mem_id" : memId },
				    	 dataType : 'json',
				    	 success : function(result){
				    		 if(result=="OK"){
				    			 $("#idChkResult").html("사용가능");
				    		 }else{
				    			 $("#idChkResult").html("ID 중복 - 사용불가");
				    		 }
				    	 },
				    	 error : function(xhr){
				    		 alert("status :" + xhr.status);
				    	 }
				     })
				});
				
				$("#memberForm").on("submit", function(){
					var idchk = $("#idChkResult").html();
					
					if(idchk!="사용가능"){
						alert("ID 중복되거나 중복체크를 하지 않았습니다.");
						return false;  // 전송 중단.
					}
					
					if($("#mem_pass").val()=="" || $("#mem_pass").val()!= $("#mem_pass2").val()){
						alert("비밀번호와 비밀번호 확인이 다릅니다. 다시 확인하세요.");
						return false;   // 서버로 전송을 하지 않는다.
					}
					
					return true;
				});
			});
	
		</script>
	</head>


	<body>
		<h2>회원 정보 입력 폼</h2>
		<form id="memberForm" method="post" enctype="multipart/form-data" action="<%=request.getContextPath()%>/member/memberInsert.do" >
			<table border="1">
				<tbody>
					<tr>
						<td>회원ID</td>
						<td>
							<input type="text" name="mem_id" id="mem_id">
							<input id="idCheck" type="button" value="중복확인"><br>
							<span id="idChkResult"></span>
						</td>
					</tr>
					<tr>
						<td>비밀번호</td>
						<td><input type="password" name="mem_pass" id="mem_pass"></td>
					</tr>
					<tr>
						<td>비밀번호 확인</td>
						<td><input type="password" name="mem_pass2" id="mem_pass2"></td>
					</tr>	
					<tr>
						<td>회원이름</td>
						<td><input type="text" name="mem_name"></td>
					</tr>
					<tr>
						<td>전화번호</td>
						<td><input type="text" name="mem_tel"></td>
					</tr>
					<tr>
						<td>회원주소</td>
						<td><input type="text" name="mem_addr"></td>
					</tr>
					<tr>
						<td>프로필 사진</td>
						<td><input type="file" name="mem_photo"></td>
					</tr>
					<tr>
						<td colspan="2" style="text-align:center;">
							<input type="submit" value="저장" /> 
							<input type="reset" value="취소" />
							<input type="button" id="btnList" value="회원목록" />
						</td>
					</tr>
				</tbody>
			</table>
		</form>
	</body>
</html>

[MemberInsert.java]

package kr.or.ddit.member.controller;

import java.io.File;
import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;

import kr.or.ddit.member.service.IMemberService;
import kr.or.ddit.member.service.MemberServiceImpl;
import kr.or.ddit.vo.MemberVO;


@WebServlet("/member/memberInsert.do")
@MultipartConfig		// 파일 업로드 처리용 (프로필 사진 업로드)
public class MemberInsert extends HttpServlet {
	private static final long serialVersionUID = 1L;
	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// GET방식으로 요청할 때는 회원 입력 폼이 나타나도록 구현한다.
		request.getRequestDispatcher("/WEB-INF/view/member/memberForm.jsp").forward(request, response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// POST방식으로 요청할 때는 입력한 회원 정보를 받아서 프로필 사진을 저장하고
		// 회원 정보는 DB에 저장하는 기능을 구현한다.
		
		// 사용자가 업로드한 파일이 저장될 서버쪽의 폴더 경로 설정
		String uploadPath = "d:/d_other/uploadFiles";
		
		// 저장될 폴더가 없으면 폴더를 만들어 준다.
		File uploadDir = new File(uploadPath);
		if(!uploadDir.exists()) {
			uploadDir.mkdirs();
		}
		
		request.setCharacterEncoding("utf-8");
		
		// 클라이언트가 보내온 회원 정보를 받는다.
		String memId = request.getParameter("mem_id");
		String memPass = request.getParameter("mem_pass");
		String memName = request.getParameter("mem_name");
		String memTel = request.getParameter("mem_tel");
		String memAddr = request.getParameter("mem_addr");
		
		// 받아온 회원 정보를 VO에 저장한다.
		MemberVO memVo = new MemberVO();
		memVo.setMem_id(memId);
		memVo.setMem_pass(memPass);
		memVo.setMem_name(memName);
		memVo.setMem_tel(memTel);
		memVo.setMem_addr(memAddr);
		
		// form의 file입력요소의 name값은 Part객체의 이름 역할을 한다.
		// 이 이름을 이용하여 Part객체를 구한다.
		Part part = request.getPart("mem_photo");
		
		if(part!=null) {
			String fileName = extractFilename(part);
			
			if(!"".equals(fileName)) {
				try {
					part.write(uploadPath + File.separator + fileName);
					
					memVo.setMem_photo(fileName);  // DB에 저장할 파일명을 VO객체에 저장
				} catch (Exception e) {
					memVo.setMem_photo(null);  // 프로필 사진이 오류가 생기면...
				}
			}
		}
		
		// 회원 정보를 DB에 insert한다.
		IMemberService service = MemberServiceImpl.getInstance();
		service.insertMember(memVo);
		
		// 작업이 완료되면 List페이지로 이동
		response.sendRedirect(request.getContextPath()+"/member/memberList.do");
	}
	
	// Part구조 안에서 파일명을 찾는 메서드
	private String extractFilename(Part part) {
		String fileName = "";
		
		String contentDisposition = part.getHeader("content-disposition");
		String[] items = contentDisposition.split(";");
		for(String item : items) {
			if(item.trim().startsWith("filename")) {  
				fileName = item.substring(item.indexOf("=")+2, item.length()-1);
			}
		}
		
		return fileName;
	}

}

- http://localhost:8090/webMemImgTest/member/memberInsert.do

[MemberView.java]

package kr.or.ddit.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 kr.or.ddit.member.service.IMemberService;
import kr.or.ddit.member.service.MemberServiceImpl;
import kr.or.ddit.vo.MemberVO;


@WebServlet("/member/memberView.do")
public class MemberView extends HttpServlet {
	
	private static final long serialVersionUID = 1L;

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		request.setCharacterEncoding("utf-8");
		
		// 회원ID를 받는다.
		String memId = request.getParameter("mem_id");
		
		IMemberService service = MemberServiceImpl.getInstance();
		
		// 회원ID를 이용해서 해당 회원 정보를 구한다.
		MemberVO memVo = service.getMember(memId);  
		
		// 구해진 회원 정보를 Request객체에 저장한다.
		request.setAttribute("memberVo", memVo);
		
		// View페이지로 포워딩 한다.
		request.getRequestDispatcher("/WEB-INF/view/member/memberView.jsp").forward(request, response);
		
	}


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

}

[memberView.jsp]

<%@page import="kr.or.ddit.vo.MemberVO"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8"/>
		<title>회원 상세 정보</title>

		<style type="text/css">
			table, tr, td { border:1px solid blue; border-collapse: collapse; }
			td { padding:5px;}
		</style>
		<script type="text/javascript" src="<%=request.getContextPath()%>/js/jquery-3.7.1.min.js"></script>

		<script type="text/javascript">

			$(function(){
				
				$("#btnUpdate").on("click", function(){
					var form = document.getElementById("memberForm");
					form.method = "GET";
					form.action = "<%=request.getContextPath()%>/member/memberUpdate.do";
					form.submit();
				});
				
				$("#btnDelete").on("click", function(){
					var form = document.getElementById("memberForm");
					form.action = "<%=request.getContextPath()%>/member/memberDelete.do";
					form.submit();
				});
				
				$("#btnList").on("click", function(){
					location.href = "<%=request.getContextPath()%>/member/memberList.do";
				});
				
			});

		</script>
	</head>
	<body>

		<% 	MemberVO memVo = (MemberVO)request.getAttribute("memberVo"); %>
		
		<h2>회원 정보 상세보기</h2>
		<form name="memberForm" id="memberForm" >
			<input type="hidden" id="mem_id" name="mem_id" value="<%=memVo.getMem_id()%>">
			<table border="1">
				<tbody>
					<tr>
						<td colspan="2" style="text-align:center;"><img src="<%=request.getContextPath() %>/images/imageView.do?memID=<%=memVo.getMem_id() %>" width="200" height="140"></td>
					</tr>
					<tr>
						<td>회원ID</td><td><%=memVo.getMem_id()%></td>
					</tr>
					<tr>
						<td>비밀번호</td><td><%=memVo.getMem_pass()%></td>
					</tr>
					<tr>
						<td>회원이름</td><td><%=memVo.getMem_name()%></td>
					</tr>
					<tr>
						<td>전화번호</td><td><%=memVo.getMem_tel()%></td>
					</tr>
					<tr>
						<td>회원주소</td><td><%=memVo.getMem_addr()%></td>
					</tr>
					<tr>
						<td colspan="2" style="text-align:center;">
							<input id="btnUpdate" type="button" value="수정"> 
							<input id="btnDelete" type="button" value="삭제"> 
							<input type="button" id="btnList" value="회원목록">
						</td>
					</tr>
				</tbody>
			</table>
		</form>
	</body>
</html>

- http://localhost:8090/webMemImgTest/member/memberList.do

[memberUpdateForm.jsp]

<%@page import="kr.or.ddit.vo.MemberVO"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8"/>
		<title>Insert title here</title>

		<style type="text/css">
			table, tr, td { border:1px solid blue; border-collapse: collapse; }
			td { padding:5px;}
		</style>

		<script type="text/javascript" src="<%=request.getContextPath()%>/js/jquery-3.7.1.min.js"></script>

		<script type="text/javascript">

			$(function(){
				
				$("#btnList").on("click", function(){
					location.href = "<%=request.getContextPath()%>/member/memberList.do";
				});
				
			});

		</script>
	</head>
	<body>
		<%
			MemberVO memVo = (MemberVO)request.getAttribute("memberVo");
		%>
		<h2>회원 정보 수정 폼</h2>
		<form action="<%=request.getContextPath()%>/member/memberUpdate.do" method="post" enctype="multipart/form-data">
			<input type="hidden" name="mem_id" value="<%=memVo.getMem_id()%>">
			<input type="hidden" name="old_photo" value="<%=memVo.getMem_photo()==null ? "" : memVo.getMem_photo() %>">
			<table border="1">
				<tbody>
					<tr>
						<td colspan="2" style="text-align:center;"><img src="<%=request.getContextPath() %>/images/imageView.do?memID=<%=memVo.getMem_id() %>" width="200" height="140"></td>
					</tr>
					<tr>
						<td>회원ID</td>
						<td><%=memVo.getMem_id()%></td>
					</tr>
					<tr>
						<td>비밀번호</td>
						<td><input type="password" name="mem_pass" value=""></td>
					</tr>
					<tr>
						<td>회원이름</td>
						<td><input type="text" name="mem_name" value="<%=memVo.getMem_name()%>"></td>
					</tr>
					<tr>
						<td>전화번호</td>
						<td><input type="text" name="mem_tel" value="<%=memVo.getMem_tel()%>"></td>
					</tr>
					<tr>
						<td>회원주소</td>
						<td><input type="text" name="mem_addr" value="<%=memVo.getMem_addr()%>"></td>
					</tr>
					<tr>
						<td>프로필 사진</td>
						<td><input type="file" name="mem_photo"></td>
					</tr>	
					<tr>
						<td colspan="2" style="text-align:center;">
							<input type="submit" value="저장"> <input type="reset" value="취소"> 
							<input type="button" id="btnList" value="회원목록">
						</td>
					</tr>
				</tbody>
			</table>
		</form>
	</body>
</html>

[MemberUpdate.java]

package kr.or.ddit.member.controller;

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

import kr.or.ddit.member.service.IMemberService;
import kr.or.ddit.member.service.MemberServiceImpl;
import kr.or.ddit.vo.MemberVO;


@WebServlet("/member/memberUpdate.do")
@MultipartConfig
public class MemberUpdate extends HttpServlet {
	
	private static final long serialVersionUID = 1L;
	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		// 회원ID에 맞는 회원 정보를 검색해서 회원 정보 수정폼에 보낸다.
		request.setCharacterEncoding("utf-8");
		
		String memId = request.getParameter("mem_id");
		
		IMemberService service = MemberServiceImpl.getInstance();
		MemberVO memVo = service.getMember(memId);
		
		request.setAttribute("memberVo", memVo);
		request.getRequestDispatcher("/WEB-INF/view/member/memberUpdateForm.jsp").forward(request, response);
		
	}
	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		// POST방식으로 요청할 때는 수정한 회원 정보를 받아서 프로필 사진을 저장하고
		// DB의 회원 정보를 수정한다.
		
		// 사용자가 업로드한 파일이 저장될 서버쪽의 폴더 경로 설정
		String uploadPath = "d:/d_other/uploadFiles";
		
		// 저장될 폴더가 없으면 폴더를 만들어 준다.
		File uploadDir = new File(uploadPath);
		if(!uploadDir.exists()) {
			uploadDir.mkdirs();
		}
		
		request.setCharacterEncoding("utf-8");
		
		// 회원 정보를 받는다.
		String memId = request.getParameter("mem_id");
		String memPass = request.getParameter("mem_pass");
		String memName = request.getParameter("mem_name");
		String memTel = request.getParameter("mem_tel");
		String memAddr = request.getParameter("mem_addr");
		String old_memPhto = request.getParameter("old_photo");
		
		// 받아온 회원 정보를 VO에 저장한다.
		MemberVO memVo = new MemberVO();
		memVo.setMem_id(memId);
		memVo.setMem_pass(memPass);
		memVo.setMem_name(memName);
		memVo.setMem_tel(memTel);
		memVo.setMem_addr(memAddr);
		memVo.setMem_photo(old_memPhto);   // 일단 이전 프로필 사진으로 셋팅한다.
		
		
		// form의 file입력요소의 name값은 Part객체의 이름역할을 한다.
		// 이 이름을 이용하여 Part객체를 구한다.
		Part part = request.getPart("mem_photo");
		
		if(part!=null) {
			String fileName = extractFilename(part);
			
			if(!"".equals(fileName)) {
				try {
					part.write(uploadPath + File.separator + fileName);
					
					memVo.setMem_photo(fileName);  // DB에 저장할 파일명을 VO객체에 저장
				} catch (Exception e) {
					//memVo.setMem_photo(null);  // 프로필 사진이 오류가 생기면...
				}
			}
		}
		
		// 회원 정보를 DB에 update한다.
		IMemberService service = MemberServiceImpl.getInstance();
		service.updateMember(memVo);
		
		// 작업이 완료되면 List페이지로 이동
		response.sendRedirect(request.getContextPath()+"/member/memberList.do");
		
	}
	
	// Part구조 안에서 파일명을 찾는 메서드
	private String extractFilename(Part part) {
		String fileName = "";
		
		String contentDisposition = part.getHeader("content-disposition");
		String[] items = contentDisposition.split(";");
		for(String item : items) {
			if(item.trim().startsWith("filename")) {  
				fileName = item.substring(item.indexOf("=")+2, item.length()-1);
			}
		}
		
		return fileName;
	}

}

- http://localhost:8090/webMemImgTest/member/memberUpdate.do?mem_id=a0012

[MemberDelete.java]

package kr.or.ddit.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 kr.or.ddit.member.service.IMemberService;
import kr.or.ddit.member.service.MemberServiceImpl;


@WebServlet("/member/memberDelete.do")
public class MemberDelete extends HttpServlet {
	
	private static final long serialVersionUID = 1L;
	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		request.setCharacterEncoding("utf-8");
		
		// 삭제할 회원ID를 받는다.
		String memId = request.getParameter("mem_id");
		
		IMemberService service = MemberServiceImpl.getInstance();
		service.deleteMember(memId);  // 해당 회원ID를 DB에서 삭제한다.
		
		// 작업이 완료되면 List페이지로 이동 
		response.sendRedirect(request.getContextPath() + "/member/memberList.do");
		
	}
	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doGet(request, response);
	}

}

- http://localhost:8090/webMemImgTest/member/memberView.do?mem_id=a0012

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