orderconfirmservlet.java

servlet实现网上书店查询

package com.ghy.bookstore.order.web;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
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.ghy.bookstore.order.model.OrderItem;
import com.ghy.bookstore.order.model.OrderVO;
import com.ghy.bookstore.service.BookStoreService;
import com.ghy.bookstore.service.BookStoreServiceFactory;
import com.ghy.bookstore.user.model.UserVO;

public class OrderConfirmServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public OrderConfirmServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html;charset=utf-8");
		request.setCharacterEncoding("utf-8");
		try{
		HttpSession session =request.getSession();
		ArrayList list=(ArrayList)session.getAttribute("ShopCart");
		BookStoreService bsService=BookStoreServiceFactory.getBookStoreService();
		Date date=new Date();
		SimpleDateFormat simpledate=new SimpleDateFormat("yy/MM/dd hh:mm:ss");
		if(list==null||list.size()==0)
		{
			response.sendRedirect(request.getContextPath()+"/jsp/order/orderitems");
		}
		else
		{
			OrderVO order=new OrderVO();
			UserVO user=(UserVO)session.getAttribute("CurrentUser");
			order.setUsername(user.getName());
			order.setUserid(user.getId());
			order.setOtime(simpledate.format(date));
			order=bsService.createOrderWithItems(order, list);
			String orderid=order.getId();
			session.setAttribute("BookOrder", order);
			if(list!=null)
			{
				for (int i = 0; i < list.size(); i++) 
				{
					OrderItem shopcart=(OrderItem)list.get(i);
					bsService.createOrderItem(shopcart, orderid);
					shopcart.setOrderid(orderid);
				}
			}
			ArrayList listclone=(ArrayList)list.clone();
			session.setAttribute("OrderDetail", listclone);
			list.clear();
		}
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		response.sendRedirect(request.getContextPath()+"/jsp/order/ordercomfirm.jsp");
		
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doGet(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}