package example.controller; import example.dao.UserDao; 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 java.io.IOException; @WebServlet("/deleteUserServlet") public class DeleteUserServlet extends HttpServlet { UserDao userDao=new UserDao(); @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String id = req.getParameter("id"); try { userDao.deleteUser(Integer.parseInt(id)); req.getRequestDispatcher("/user?action=list").forward(req,resp); } catch (Exception e) { throw new RuntimeException(e); } } }