모델2(MVC) 게시판 만들기 - 글삭제하기


- Board.class와 BoardDao.class는 모델1방식(http://injava.tistory.com/20참고)과 동일하다.(Model 역활)

- get방식으로 "/board/boardRemove"요청이 오면 "/board/boardRemove.jsp"로(View 역활) 바로 포워딩한다.

- post방식으로 "/board/boardRemove"요청이 오면  boardDao의 deleteBoard()메서드를 호출하여 데이터를 삭제하고 보여줄 View가 없으므로 "/board/boardList"를 재요청(redirect)한다.



BoardRemoveServlet.java

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package web;
 
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 service.Board;
import service.BoardDao;
 
@WebServlet("/board/boardRemove")
public class BoardRemoveServlet extends HttpServlet {
    private BoardDao boardDao;
    // 삭제시 비밀번호를 확인하는 폼
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        if(request.getParameter("boardNo"== null) {
            response.sendRedirect(request.getContextPath()+"/board/boardList.jsp");
        } else {
            request.getRequestDispatcher("/board/boardRemove.jsp").forward(request, response);
        }
    }
    
    // 삭제
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        if(request.getParameter("boardNo"== null || request.getParameter("boardPw"== null) {
            response.sendRedirect(request.getContextPath()+"/board/boardList.jsp");
        } else {
            int boardNo = Integer.parseInt(request.getParameter("boardNo"));
            System.out.println("boardNo :"+boardNo);
            String boardPw = request.getParameter("boardPw");
            System.out.println("boardPw :"+boardPw);
            Board board = new Board();
            board.setBoardNo(boardNo);
            board.setBoardPw(boardPw);
            
            boardDao = new BoardDao();
            
            if(boardDao.deleteBoard(board)==1){
                response.sendRedirect(request.getContextPath()+"/board/boardList");
            } else {
                response.sendRedirect(request.getContextPath()+"/board/boardRemove?boardNo="+boardNo);
            }
        }
    }
}
cs


boardRemove.jsp

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<%@ page language="java" contentType="text/html; charset=EUC-KR" pageEncoding="EUC-KR"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=EUC-KR">
<title>BOARD REMOVE FORM</title>
</head>
<body>
    <form action="<c:url value='/board/boardRemove'/>" method="post">
        <input name="boardNo" value="${param.boardNo}" type="hidden"/>
        <div>비밀번호확인 :</div>
        <div><input name="boardPw" type="password"></div>
        <div>
            <input type="submit" value="삭제"/>
            <input type="reset" value="초기화"/>
        </div>
    </form>
</body>
</html>
cs



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