[jsp와 servlet] 익명 방명록 만들기 ⑥ 삭제 구현 하기

⑩ list jsp 에 작성한 삭제 버튼을 클릭하면 삭제가 될 수 있게 del 서브렛에서 구현 한다 

<input type = "button" value = "삭제" onclick= "javascrip:location.href ='/webApp3/guest/del?num=${vo.num }'" >

package guestbook.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 guestbook.GuestBookService;

/**
 * Servlet implementation class del
 */
@WebServlet("/guest/del")
public class del extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public del() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// TODO Auto-generated method stub

		int num = Integer.parseInt(request.getParameter("num"));

		GuestBookService service = new GuestBookService();
		service.delBook(num);

		response.sendRedirect("/webApp3/guest/list");

	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}