MvcWeb-day02

respect98 · Dec 17, 2022 · 3de11d4 · 3de11d4
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diff --git a/MvcWeb/BoardDeleteAction.java b/MvcWeb/BoardDeleteAction.java
@@ -0,0 +1,81 @@
+package board.controller;
+
+import java.io.File;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import board.model.BoardDAOMyBatis;
+import board.model.BoardVO;
+import common.controller.AbstractAction;
+import user.model.UserVO;
+
+public class BoardDeleteAction extends AbstractAction {
+
+	@Override
+	public void execute(HttpServletRequest req, HttpServletResponse res) throws Exception {
+		//로그인 체크
+		HttpSession session=req.getSession();
+		UserVO user=(UserVO)session.getAttribute("loginUser");
+		if(user==null) {
+			req.setAttribute("msg", "로그인해야 글삭제가 가능해요");
+			req.setAttribute("loc", "javascript:history.back()");
+
+			this.setViewPage("message.jsp");
+			this.setRedirect(false);
+			return;
+		}
+
+		// TODO Auto-generated method stub
+//		[1] 삭제할 글 번호 받기
+		String numStr=req.getParameter("num");
+
+//		[2] 유효성 체크 => boardList.do  redirect이동
+		if(numStr==null||numStr.trim().isEmpty()) {
+			this.setViewPage("boardList.do");
+			this.setRedirect(true);
+			return;
+		}
+
+//		[3] dao의 deleteBoard(num)
+		BoardDAOMyBatis dao=new BoardDAOMyBatis();
+
+		//db에서 삭제할 해당 글 가져오기
+		BoardVO vo=dao.viewBoard(Integer.parseInt(numStr.trim()));
+
+		if(!vo.getUserid().equals(user.getUserid())) {
+			req.setAttribute("msg", "글쓴 사람만 삭제할 수 있어요");
+			req.setAttribute("loc", "javascript:history.back()");
+
+			this.setViewPage("message.jsp");
+			this.setRedirect(false);
+			return;
+		}
+
+
+		if(vo.getFilename()!=null) {
+			//첨부파일이 있다면 서버 Upload디렉토리에서 해당 파일을 먼저 삭제하자
+			String upDir=req.getServletContext().getRealPath("/Upload");
+			File delFile=new File(upDir, vo.getFilename());
+			if(delFile!=null) {
+				delFile.delete();
+			}			
+		}//---------------------------------
+
+		int n=dao.deleteBoard(Integer.parseInt(numStr.trim()));
+
+//		[4] 실행결과 메시지 및 이동 경로 지정
+		String str=(n>0)?"글 삭제 성공":"삭제 실패";
+		String loc="boardList.do";
+
+		req.setAttribute("msg", str);
+		req.setAttribute("loc", loc);
+
+
+//		[5] 뷰페이지 지정/이동방식 지정
+		this.setViewPage("message.jsp");
+		this.setRedirect(false);
+	}
+
+}
diff --git a/MvcWeb/BoardEditAction.java b/MvcWeb/BoardEditAction.java
@@ -0,0 +1,102 @@
+package board.controller;
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import com.oreilly.servlet.MultipartRequest;
+import com.oreilly.servlet.multipart.DefaultFileRenamePolicy;
+
+import board.model.BoardDAOMyBatis;
+import board.model.BoardVO;
+import common.controller.AbstractAction;
+import user.model.UserVO;
+
+public class BoardEditAction extends AbstractAction {
+
+	@Override
+	public void execute(HttpServletRequest req, HttpServletResponse res) throws Exception {
+		HttpSession session=req.getSession();
+		UserVO user=(UserVO)session.getAttribute("loginUser");
+		if(user==null) {
+			req.setAttribute("msg", "로그인해야 글수정이 가능해요");
+			req.setAttribute("loc", "javascript:history.back()");
+
+			this.setViewPage("message.jsp");
+			this.setRedirect(false);
+			return;
+		}
+		//0. post방식일때 한글 처리
+		//req.setCharacterEncoding("utf-8");
+		// 1. num, userid,subject,content, filename 값 받기
+		//1. 파일 업로드 처리==> 업로드 디렉토리의 절대경로 얻어오자. MvcWeb/src/main/webapp/Upload
+		ServletContext application=req.getServletContext();
+		String upDir=application.getRealPath("/Upload");
+		System.out.println("upDir="+upDir);
+		File dir=new File(upDir);
+		if(!dir.exists()) {
+			dir.mkdirs();//업로드 디렉토리 생성
+		}
+
+		MultipartRequest mr=null;
+		try {
+			mr=new MultipartRequest(req, upDir,100*1024*1024,"UTF-8", new DefaultFileRenamePolicy());
+			System.out.println("파일 업로드 성공!!");
+		}catch(IOException e) {
+			e.printStackTrace();			
+		}
+
+		String numStr=mr.getParameter("num");
+		String subject=mr.getParameter("subject");
+		String content=mr.getParameter("content");
+		String userid=user.getUserid();
+		String filename=mr.getFilesystemName("filename");
+		File file=mr.getFile("filename");
+
+		long filesize=0;
+		if(file!=null) {//첨부한 파일이 있다면
+			filesize=file.length();
+			//예전에 첨한 파일명 얻기
+			String old_file=mr.getParameter("old_file");
+			if(old_file!=null&& !old_file.trim().isEmpty()) {
+				//서버에서 예전 파일 지우기
+				File delFile=new File(upDir, old_file);
+				if(delFile!=null) {
+					boolean b=delFile.delete();
+					System.out.println("파일 삭제 여부: "+b);
+				}
+			}
+		}//if---------
+		// 2. 유효성 체크 (num, subject,userid)
+		if(numStr==null||subject==null||userid==null||
+				numStr.trim().isEmpty()||subject.trim().isEmpty()||userid.trim().isEmpty()) {
+			this.setViewPage("boardList.do");
+			this.setRedirect(true);
+			return;
+		}
+		int num=Integer.parseInt(numStr.trim());
+
+		//3. 1번에서 받은 값 BoardVO에 담아주기
+		BoardVO vo=new BoardVO(num,userid,subject, content,null,filename,filesize);
+
+		//4. dao의 updateBoard(vo)
+		BoardDAOMyBatis dao=new BoardDAOMyBatis();
+		int n=dao.updateBoard(vo);
+
+		//5. req에 메시지, 이동경로 저장 
+		String str=(n>0)?"글 수정 성공":"글 수정 실패";
+		String loc="boardList.do";
+
+		req.setAttribute("msg", str);
+		req.setAttribute("loc", loc);
+
+		this.setViewPage("message.jsp");
+		this.setRedirect(false);
+
+	}
+
+}
diff --git a/MvcWeb/BoardEditFormAction.java b/MvcWeb/BoardEditFormAction.java
@@ -0,0 +1,56 @@
+package board.controller;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import board.model.BoardDAOMyBatis;
+import board.model.BoardVO;
+import common.controller.AbstractAction;
+import user.model.UserVO;
+
+public class BoardEditFormAction extends AbstractAction {
+
+	@Override
+	public void execute(HttpServletRequest req, HttpServletResponse res) throws Exception {
+
+		HttpSession session=req.getSession();
+		UserVO user=(UserVO)session.getAttribute("loginUser");
+		if(user==null) {
+			req.setAttribute("msg", "로그인해야 글쓰기가 가능해요");
+			req.setAttribute("loc", "javascript:history.back()");
+
+			this.setViewPage("message.jsp");
+			this.setRedirect(false);
+			return;
+		}
+
+		//1. 수정할 글 번호 받기
+		String numStr=req.getParameter("num");
+		//2. 유효성 체크
+		if(numStr==null||numStr.trim().isEmpty()) {
+			this.setViewPage("boardList.do");
+			this.setRedirect(true);
+			return;
+		}
+		BoardDAOMyBatis dao=new BoardDAOMyBatis();
+		//3. BoardVO dao.viewBoard(num)
+		BoardVO vo=dao.viewBoard(Integer.parseInt(numStr.trim()));
+
+		if(!vo.getUserid().equals(user.getUserid())) {
+			req.setAttribute("msg", "글쓴 사람만 글 수정이 가능합니다");
+			req.setAttribute("loc", "javascript:history.back()");
+
+			this.setViewPage("message.jsp");
+			this.setRedirect(false);
+			return;
+		}
+
+		//4. req에 저장 "board"
+		req.setAttribute("board", vo);
+
+		this.setViewPage("board/boardEdit.jsp");
+		this.setRedirect(false);
+	}
+
+}
diff --git a/MvcWeb/BoardListAction.java b/MvcWeb/BoardListAction.java
@@ -0,0 +1,84 @@
+package board.controller;
+
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import board.model.BoardDAOMyBatis;
+import board.model.BoardVO;
+import common.controller.AbstractAction;
+
+public class BoardListAction extends AbstractAction {
+
+	@Override
+	public void execute(HttpServletRequest req, HttpServletResponse res) throws Exception {
+		//0. 현재 보여줄 페이지(cpage)값 받아오기
+		String cpStr=req.getParameter("cpage");
+		if(cpStr==null||cpStr.trim().isEmpty()) {
+			cpStr="1";//1페이지를 기본값으로 설정
+		}
+		int cpage=Integer.parseInt(cpStr.trim());
+		if(cpage<1) {
+			cpage=1;//1페이지를 기본값으로 설정
+		}
+
+		//검색유형과 검색어 받기
+		String findType=req.getParameter("findType");
+		String findKeyword=req.getParameter("findKeyword");
+
+		if(findType==null) {
+			findType="";
+		}
+		if(findKeyword==null) {
+			findKeyword="";
+		}
+
+
+		BoardDAOMyBatis dao=new BoardDAOMyBatis();
+		//1. 총 게시글 수 구하기
+		int totalCount=dao.getTotalCount(findType, findKeyword);
+		//2. 한 페이지 당 보여줄 목록 개수 정하기
+		int pageSize=5;
+
+		//3. 페이지 수 구하기
+		/*totalCount	pageSize		pageCount
+			1~4/ 5		5		 1		
+			6~9/ 10		5		 2
+			11~14/ 15	5		3				
+			
+			if(totalCount%pageSize==0){
+			     pageCount=totalCount/pageSize;	
+			}else{
+			    pageCount=totalCount/pageSize +1;	
+			}
+		pageCount=(totalCount-1)/pageSize +1;
+		 * */
+		int pageCount=(totalCount-1)/pageSize +1;
+
+		if(pageCount<=0) {
+			pageCount=1;
+		}
+
+		if(cpage>pageCount) {
+			cpage=pageCount;//마지막 페이지로 지정
+		}
+
+		int end=cpage * pageSize;
+		int start = end -(pageSize-1);
+
+		List<BoardVO> boardArr=dao.listBoard(start, end, findType, findKeyword);
+		String qStr="&findType="+findType+"&findKeyword="+findKeyword;
+
+		req.setAttribute("totalCount", totalCount);
+		req.setAttribute("boardArr", boardArr);
+		req.setAttribute("pageSize", pageSize);
+		req.setAttribute("pageCount", pageCount);
+		req.setAttribute("cpage", cpage);
+		req.setAttribute("qStr", qStr);
+
+		this.setViewPage("board/boardList.jsp");
+		this.setRedirect(false);
+	}
+
+}
diff --git a/MvcWeb/BoardViewAction.java b/MvcWeb/BoardViewAction.java
@@ -0,0 +1,35 @@
+package board.controller;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import board.model.BoardDAOMyBatis;
+import board.model.BoardVO;
+import common.controller.AbstractAction;
+
+public class BoardViewAction extends AbstractAction {
+
+	@Override
+	public void execute(HttpServletRequest req, HttpServletResponse res) throws Exception {
+		//1. 글 번호 받기
+		String numStr=req.getParameter("num");
+		//2. 유효성 체크
+		if(numStr==null||numStr.trim().isEmpty()) {
+			this.setViewPage("boardList.do");
+			this.setRedirect(true);
+			return;
+		}//-------------------------
+		int num=Integer.parseInt(numStr.trim());
+		//3. dao의 메서드 호출
+		BoardDAOMyBatis dao=new BoardDAOMyBatis();
+
+		BoardVO vo=dao.viewBoard(num);
+		//4. req에 저장
+		req.setAttribute("board", vo);
+
+		//5. 뷰페이지 지정, 이동방식 지정
+		this.setViewPage("board/boardView.jsp");
+		this.setRedirect(false);
+	}
+
+}