java购物车

用java做的一个购物车,这购物车功能有对商品的增删改查和恢复商品信息

package com.ycc.action;

import java.io.IOException;
import java.util.List;

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.ycc.bean.Cart;
import com.ycc.bean.CartItem;
import com.ycc.dao.ComputerDao;
import com.ycc.entity.Computer;
import com.ycc.util.CookieUtil;
import com.ycc.util.DaoFactory;

/**
 * Servlet implementation class ActionServlet
 */
public class ActionServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet（）
     */
    public ActionServlet（） {
        super（）;
        // TODO Auto-generated constructor stub
    }

	protected void service（HttpServletRequest request HttpServletResponse response） throws ServletException IOException {
		response.setContentType（“text/html;charset=utf-8“）;
		request.setCharacterEncoding（“utf-8“）;
		String uri=request.getRequestURI（）;
		String str=uri.substring（uri.lastIndexOf（“/“）+1uri.lastIndexOf（“.do“））;
		ComputerDao dao=（ComputerDao）DaoFactory.getInstance（“ComputerDao“）;
		if（str.equalsIgnoreCase（“list“））{
			List list=dao.findAll（）;
			HttpSession session=request.getSession（）;
			session.setAttribute（“computerList“list）;
			request.getRequestDispatcher（“computer_list.jsp“）.forward（request response）;
		}else if（str.equalsIgnoreCase（“add“））{
			int id=Integer.parseInt（request.getParameter（“id“））;
			Computer com=dao.findId（id）;
			HttpSession session=request.getSession（）;
			CartItem cartItem=（CartItem）session.getAttribute（“CartItem“）;
			if（cartItem==null）{
				cartItem=new CartItem（）;
				System.out.println（“CookieUtil.findCookie============“+CookieUtil.findCookie（“CartItem“ request））;
				cartItem.huifu（CookieUtil.findCookie（“CartItem“ request））;
				session.setAttribute（“CartItem“ cartItem）;
			}
			Cart cart=new Cart（）;
			cart.setComputer（com）;
			cart.setQty（1）;
			
			
			boolean bool=cartItem.addCart（cart）;
			if（bool==false）{
				System.out.println（“已经购买了“）;
				request.setAttribute（“buy_“+id“已经购买了“）;
				request.getRequestDispatcher（“list.do“）.forward（request response）;
			}else{
				System.out.println（“第一次购买“）;
				CookieUtil.addCookie（“CartItem“ cartItem.getSplit（） response）;
				response.sendRedirect（“list.do“）;
			}
		}else if（str.equalsIgnoreCase（“update“））{
			int id=Integer.parseInt（request.getParameter（“id“））;
			int qty=Integer.parseInt（request.getParameter（“qty“））;
			HttpSession session=request.getSession（）;
			CartItem ci=（CartItem）session.getAttribute（“CartItem“）;
			ci.updCart（id qty）;
			CookieUtil.addCookie（“CartItem“ ci.getSplit（） response）;
			response.sendRedirect（“cart.jsp“）;
		}else if（str.equals（“del“））{
			int id=Integer.parseInt（request.getParameter（“id“））;
			HttpSession session=request.getSession（）;
			CartItem c

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        833  2013-02-05 09:54  shopping_test\.classpath

     文件       1046  2013-02-05 09:54  shopping_test\.project

     文件        503  2013-02-05 09:54  shopping_test\.settings\.jsdtscope

     文件        364  2013-02-05 09:54  shopping_test\.settings\org.eclipse.jdt.core.prefs

     文件        493  2013-02-05 09:54  shopping_test\.settings\org.eclipse.wst.common.component

     文件        345  2013-02-05 09:54  shopping_test\.settings\org.eclipse.wst.common.project.facet.core.xml

     文件         49  2013-02-05 09:54  shopping_test\.settings\org.eclipse.wst.jsdt.ui.superType.container

     文件          6  2013-02-05 09:54  shopping_test\.settings\org.eclipse.wst.jsdt.ui.superType.name

     文件       4363  2013-02-15 10:48  shopping_test\build\classes\com\ycc\action\ActionServlet.class

     文件        742  2013-02-15 10:48  shopping_test\build\classes\com\ycc\bean\Cart.class

     文件       3591  2013-02-15 10:48  shopping_test\build\classes\com\ycc\bean\CartItem.class

     文件        270  2013-02-15 10:48  shopping_test\build\classes\com\ycc\dao\ComputerDao.class

     文件       2581  2013-02-15 10:48  shopping_test\build\classes\com\ycc\dao\ComputerDaoImpl.class

     文件       1340  2013-02-15 10:48  shopping_test\build\classes\com\ycc\entity\Computer.class

     文件       2759  2013-02-15 10:48  shopping_test\build\classes\com\ycc\util\ConnectionUtil.class

     文件       2638  2013-02-15 10:48  shopping_test\build\classes\com\ycc\util\CookieUtil.class

     文件       2201  2013-02-15 10:48  shopping_test\build\classes\com\ycc\util\DaoFactory.class

     文件         39  2013-02-05 10:32  shopping_test\build\classes\com\ycc\util\daoFactory.properties

     文件        140  2013-02-05 10:07  shopping_test\build\classes\com\ycc\util\mysql.properties

     文件       3213  2013-02-05 14:11  shopping_test\src\com\ycc\action\ActionServlet.java

     文件        368  2013-02-05 11:00  shopping_test\src\com\ycc\bean\Cart.java

     文件       2116  2013-02-08 16:38  shopping_test\src\com\ycc\bean\CartItem.java

     文件        189  2013-02-05 11:22  shopping_test\src\com\ycc\dao\ComputerDao.java

     文件       1689  2013-02-05 11:24  shopping_test\src\com\ycc\dao\ComputerDaoImpl.java

     文件        815  2013-02-05 10:24  shopping_test\src\com\ycc\entity\Computer.java

     文件       2030  2013-02-05 14:14  shopping_test\src\com\ycc\util\ConnectionUtil.java

     文件       1530  2013-02-05 14:22  shopping_test\src\com\ycc\util\CookieUtil.java

     文件       1039  2013-02-05 10:37  shopping_test\src\com\ycc\util\DaoFactory.java

     文件         39  2013-02-05 10:32  shopping_test\src\com\ycc\util\daoFactory.properties

     文件        140  2013-02-05 10:07  shopping_test\src\com\ycc\util\mysql.properties

............此处省略96个文件信息