computer-web/src/main/java/example/controller/OrdersServlet.java

package example.controller;

import example.service.IOrdersService;
import example.service.impl.OrdersServiceImpl;

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("/orders")
public class OrdersServlet extends HttpServlet {

    IOrdersService ordersService=new OrdersServiceImpl();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String action = req.getParameter("action");
        switch (action) {
            case "all":
                ordersService.allOrder(req, resp);
                break;
            case "add":
                try {
                    ordersService.checkOrder(req, resp);
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
                break;
            case "delete":
//                ordersService.delete(req, resp);
                break;

        }
    }
}