解决Java web 中 Request method 'GET' not supported问题

一般这种错误是发送id的时候，servlet接收不到。

     删除

 

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 edu.jmi.emp.dao.EmpDao;

/**
 * Servlet implementation class deleteServlet
 */
@WebServlet("/deleteServlet")
public class deleteServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public deleteServlet() {
        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
        response.getWriter().append("Served at: ").append(request.getContextPath());
        doPost(request, response);
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        request.setCharacterEncoding("utf-8");
        int id=Integer.parseInt(request.getParameter("id"));
        EmpDao empDao=new EmpDao();
        boolean b=empDao.deleteEmp(id);
        System.out.println(id);
        if(b==true) {
            request.getRequestDispatcher("MainServlet").forward(request, response);
        }else {
            response.sendRedirect("index.jsp");
        }
        
    }

}