package com.rmeng.shoppingCart.controller;import java.util.ArrayList;import java.util.Collection;import java.util.HashSet;import java.util.Iterator;import java.util.Set;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import org.hibernate.Query;import org.hibernate.Session;import org.hibernate.SessionFactory;import org.hibernate.Transaction;import org.hibernate.cfg.Configuration;import com.rmeng.shoppingCart.biz.SystemBiz;import com.rmeng.shoppingCart.dao.ShoppingCartDao;import com.rmeng.shoppingCart.dao.impl.ShoppingCartDaoHbnImpl;import com.rmeng.shoppingCart.javabean.entity.Product;public class ListProductAction extends Action{		public ActionForward execute(ActionMapping mapping, ActionForm form, 								HttpServletRequest request, HttpServletResponse response)throws Exception		{//			SystemBiz systemBiz=new SystemBiz();								ShoppingCartDao scd=new ShoppingCartDaoHbnImpl();						Collection set= scd.showAllProducts().values();						Iterator it=set.iterator();						while(it.hasNext()){				Product product=(Product) it.next();			}			request.setAttribute("products",set);								return mapping.findForward("success");					}}