240102 HTML Update.java

package com.sukgi.web;
 
import java.io.IOException;
import java.util.Map;
 
import javax.servlet.RequestDispatcher;
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 com.sukgi.dao.BoardDAO;
 
 
@WebServlet("/update")
public class Update extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
  
    public Update() {
        super();
  
    }
 
    
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    
        request.setCharacterEncoding("UTF-8");
        //DAO부르기
        BoardDAO dao = new BoardDAO();
        //날아오는 번호 잡기 ./update?no=10
        String no = request.getParameter("no");
        //데이터베이스에 질의해서 레코드 1개 가져오기
        Map<String, Object> detail = dao.detail(no);        
        //update.jsp 에게 돌려주기 = 페이지 이동
        //System.out.println(detail);
        //update.jsp에 값 보내기
        request.setAttribute("detail", detail);
        
        //jsp 부르기
        RequestDispatcher rd = request.getRequestDispatcher("update.jsp");
    
        rd.forward(request, response);
    }
 
    
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        String title = request.getParameter("title");
        String no= request.getParameter("no");
        String content =  request.getParameter("content");
        
        
        BoardDAO dao = new BoardDAO();
        dao.update(no, title, content);
        
        response.sendRedirect("./detail.jsp?no="+no);
                
    
    }
 
}