confirmservlet.java

网上书城源代码~~在学习JAVA的时候做的

package com.briup.servlet;

import java.io.IOException;
import java.util.Collection;
import java.util.Date;

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


import com.briup.bean.Customer;
import com.briup.bean.Orderform;
import com.briup.bean.Orderline;
import com.briup.bean.ShoppingCart;
import com.briup.common.BeanFactory;
import com.briup.service.ICustomerService;
import com.briup.service.IOrderService;

@SuppressWarnings("serial")
public class ConfirmServlet extends HttpServlet {
	private IOrderService orderService;
	private ICustomerService customerService;
	public void init(){
		orderService=(IOrderService) BeanFactory.getBean(BeanFactory.ORDERSERVICE);
		customerService=(ICustomerService) BeanFactory.getBean(BeanFactory.CUSTOMERSERVICE);
	}
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request,response);
	}

	@SuppressWarnings("unchecked")
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		HttpSession session=request.getSession();
		Customer customer=(Customer) session.getAttribute("customer");
		ShoppingCart cart=(ShoppingCart) session.getAttribute("cart");
		Orderform order=new Orderform();
		order.setCost(cart.getCost());
		order.setCustomer(customer);
		order.setOrderdate(new Date());
		Collection<Orderline> lines=cart.getOrderlines();
		for(Orderline line:lines){
			order.getOrderlines().add(line);
			line.setOrderform(order);
		}
		try {
			orderService.saveOrder(order);
			customerService.update(customer);
			response.sendRedirect(request.getContextPath()+"/confirm.jsp");
		} catch (Exception e) {
			e.printStackTrace();
			request.setAttribute("error", e.getMessage());
			request.getRequestDispatcher("order.jsp").forward(request, response);
		}
	}

}