모델2(MVC) 게시판 만들기 - 글목록 보기
- Board.class와 BoardDao.class는 모델1방식(http://injava.tistory.com/20참고)과 동일하다.(Model 역활)
- BoardListServlet은 BoardDao의 메서드를 호출하여 필요한 값(model이라고도 부름)들을 request의 속성에 저장하고 boardList.jsp로 포워딩한다.
- boardList.jsp는 자바관련코드를 사용하지 않도록 EL/JSTL을 사용한다.
BoardListServlet.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | package web; 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 service.Board; import service.BoardDao; @WebServlet("/board/boardList") public class BoardListServlet extends HttpServlet { private BoardDao boardDao; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { int currentPage = 1; if(request.getParameter("currentPage") != null) { currentPage = Integer.parseInt(request.getParameter("currentPage")); } boardDao = new BoardDao(); int totalRowCount = boardDao.selectTotalBoardCount(); int pagePerRow = 10; int beginRow = (currentPage-1)*pagePerRow; int lastPage = totalRowCount/pagePerRow; if(totalRowCount%pagePerRow != 0) { lastPage++; } List<Board> list = boardDao.selectBoardListPerPage(beginRow, pagePerRow); request.setAttribute("currentPage", currentPage); request.setAttribute("totalRowCount", totalRowCount); request.setAttribute("pagePerRow", pagePerRow); request.setAttribute("lastPage", lastPage); request.setAttribute("list", list); request.getRequestDispatcher("/board/boardList.jsp").forward(request, response); } } | cs |
boardList.jsp
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | <%@ 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></title> </head> <body> <div>전체행의 수 : ${totalRowCount}/${list.size()}</div> <table border="1"> <thead> <tr> <th>boardTitle</th> <th>boardUser</th> <th>boardDate</th> </tr> </thead> <tbody> <c:forEach var="b" items="${list}"> <tr> <td><a href="<%=request.getContextPath()%>/board/boardView?boardNo=${b.boardNo}">${b.boardTitle}</a></td> <td>${b.boardUser}</td> <td>${b.boardDate}</td> </tr> </c:forEach> </tbody> </table> <div> <a href="<%=request.getContextPath()%>/board/boardAdd">게시글 입력</a> </div> <div> <c:if test="${currentPage>1}"> <a href="<c:url value='/board/boardList?currentPage=${currentPage-1}'/>">이전</a> </c:if> <c:if test="${currentPage < lastPage}"> <a href="<c:url value='/board/boardList?currentPage=${currentPage+1}'/>">다음</a> </c:if> </div> </body> </html> | cs |
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