jsp+servlet++hibernate+购物车系统

jsp+servlet +hibernate 购物车系统

package com.tarena.wangkai.shoppingCart.action;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;
import java.util.Iterator;

import javax.servlet.RequestDispatcher;
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.tarena.wangkai.shoppingCart.entity.Cart;
import com.tarena.wangkai.shoppingCart.entity.Product;
/**
 * ervlet
 * @author wangkai
 *
 */
public class AccessMyShoppingCartServlet extends HttpServlet {

	private static final long serialVersionUID = 358755617261259534L;
	private static Collection products;

	@Override
	protected void doGet（HttpServletRequest req HttpServletResponse resp）
			throws ServletException IOException {
		products=（Collection）getServletContext（）.getAttribute（“products“）;
		
		req.setCharacterEncoding（“gbk“）;
		resp.setCharacterEncoding（“gbk“）;
		
		HttpSession session=req.getSession（）;
		Cart myCart=（Cart）session.getAttribute（“myCart“）;
		PrintWriter out=resp.getWriter（）;
		
		String action=req.getParameter（“does“）.trim（）;
		if（action != null && action.length（）>0）{
			if（action.equals（“add“））{
				String productIdStr=req.getParameter（“productId“）;
				if（productIdStr!=null && productIdStr.length（）>0）{
					int productId=Integer.parseInt（productIdStr）;
					if（products!=null）{
						Iterator it=products.iterator（）;
						while（it.hasNext（））{
						  Product p=（Product）it.next（）;
						  if（p.getId（） == productId）{
								if（myCart == null）{
									myCart=new Cart（）;
									switch（myCart.addItem（p 1））{
									case -1:out.println（“ript>alert（‘add fail‘）;history.back（）;ript>“）;
									break;
									case 0:out.println（“ript>alert（‘can not add the same product again‘）;history.back（）;ript>“）;
									break;
									case 1:out.println（“ript>alert（‘add seccess‘）;history.back（）;ript>“）;
									break;
									}
									session.setAttribute（“myCart“ myCart）;
								}else{
									switch（myCart.addItem（p 1））{
									case -1:out.println（“ript>alert（‘add fail‘）;history.back（）;ript>“）;
									break;
									case 0:out.println（“ript>alert（‘can not add the same product again‘）;history.back（）;ript>“）;
									break;
									case 1:out.println（“ript>alert（‘add seccess‘）;history.back（）;ript>“）;
									break;
									}
								}
							}
						}
					}
				}
			}else if（action.equals（“modify“））{
				String changeStr=req.getParameter（“changes“）.trim（）;
				if（changeStr!=null && changeStr.length（）>0）{
					String[] allChanges=changeStr.split（“#“）;
					for（int i=0;i						String[] eachChange=allChanges[i].split（“:“）;
						int productId=Integer.parseInt（eachChange[0]）;
						int number=Integer.parseInt（eachChange[1]）;
						myCa

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

     文件        439  2009-05-11 09:55  shoppingCart\.classpath

     文件        417  2009-05-11 09:55  shoppingCart\.myhibernatedata

     文件        309  2009-05-18 15:26  shoppingCart\.mymetadata

     文件       1382  2009-05-11 10:00  shoppingCart\.project

     文件       4312  2009-05-31 16:50  shoppingCart\src\com\tarena\wangkai\shoppingCart\action\AccessMyShoppingCartServlet.java

     文件       7561  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\action\ActionServlet.java

     文件       4033  2009-05-11 13:28  shoppingCart\src\com\tarena\wangkai\shoppingCart\action\AjaxHandlerServlet.java

     文件        900  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\action\CharacterEncodingFilter.java

     文件       1570  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\action\CheckUserFilter.java

     文件        908  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\action\LogoutServlet.java

     文件       4074  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\action\ManagerActionServlet.java

     文件       1450  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\action\token\ImageTokenServlet.java

     文件       2821  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\action\token\TokenUtil.java

     文件        202  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\AdminDao.java

     文件        427  2009-05-12 08:38  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\impl\AdminDaoImpl.java

     文件       3033  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\impl\ManagerDaoImpl.java

     文件        882  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\impl\OrderDaoImpl.java

     文件        856  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\impl\ProductDaoImpl.java

     文件       4612  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\impl\ShoppingCartDAOImpl.java

     文件        676  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\impl\UserDaoImpl.java

     文件        518  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\ManagerDao.java

     文件        822  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\OrderDao.java

     文件         86  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\OrderItemDao.java

     文件        478  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\ProductDao.java

     文件        900  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\ShoppingCartDAO.java

     文件        420  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\dao\UserDao.java

     文件        593  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\entity\Admin.hbm.xml

     文件        459  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\entity\Admin.java

     文件       3237  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\entity\Cart.java

     文件        775  2009-05-11 09:54  shoppingCart\src\com\tarena\wangkai\shoppingCart\entity\Item.hbm.xml

............此处省略167个文件信息