delorderservlet.java

一个J2EE 做的 网上图书销售管理系统

package com.briup.web.servlet;

import java.io.IOException;
import java.util.Map;
import java.util.Set;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.briup.bean.Orderform;
import com.briup.common.BeanFactory;
import com.briup.service.IOrderService;
import com.briup.common.exception.OrderServiceException;

public class DelOrderServlet extends HttpServlet {

	public DelOrderServlet() {
		super();
	}

	public void destroy() {
		super.destroy();
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		process(request, response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		process(request, response);
	}

	private void process(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("text/html");
		System.out.println("sadfasdf");
		String orderid = request.getParameter("orderid");
		Map orders = (Map) request.getSession().getAttribute("orders");

		IOrderService orderService = (IOrderService) BeanFactory
				.getBean(BeanFactory.ForderService);
		try {
			orderService.delOrder(Integer.parseInt(orderid));
			orders.remove(Integer.parseInt(orderid));
			getServletContext().getRequestDispatcher("/listOrder.jsp").forward(
					request, response);
		} catch (OrderServiceException e) {
			e.printStackTrace();
			request.setAttribute("message", e.getMessage());
			getServletContext().getRequestDispatcher("/listOrder.jsp").forward(
					request, response);
		}

	}

	public void init() throws ServletException {
	}

}