package?biz;

import?java.util.Collection;
import?java.util.HashMap;
import?java.util.HashSet;
import?java.util.Iterator;
import?java.util.List;
import?java.util.Map;

import?entity.Item;

public?class?Cart?{
	Map?ms?=?new?HashMap（）;
	public?void?addItem（Item?item）{
		//id?=?item.getProduct（）.getPid（）;
		//Item?i?=?ms.get（id）;
		//如果i!=null;修改數量和價錢
		//i==nullms.put（iditem）;
		Integer?id?=?item.getProduct（）.getId（）;
		Item?i?=?ms.get（id）;
		if（i!=null）{
			i.setNumber（item.getNumber（）+i.getNumber（））;
			i.setCost（i.getCost（）+item.getCost（））;
		}
		if（i==null）{
			ms.put（id?item）;
		}
	}
	public?void?updateItem（Integer?idint?num）{
		Collection??list?=?ms.values（）;
		double?money?=?0;
		for（Item?t:list）{
			if（t.getProduct

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-03-31?10:10??shoppingcart（師創）\
?????文件?????????609??2011-09-26?18:42??shoppingcart（師創）\.classpath
?????文件?????????388??2011-09-26?18:42??shoppingcart（師創）\.project
?????目錄???????????0??2012-03-31?10:10??shoppingcart（師創）\bin\
?????目錄???????????0??2012-03-31?10:10??shoppingcart（師創）\bin\biz\
?????文件????????2311??2011-09-26?18:42??shoppingcart（師創）\bin\biz\Cart.class
?????文件?????????449??2011-09-26?18:42??shoppingcart（師創）\bin\biz\ShoppingCartBiz.class
?????文件????????4399??2011-09-26?18:42??shoppingcart（師創）\bin\biz\ShoppingCartBizImpl.class
?????目錄???????????0??2012-03-31?10:10??shoppingcart（師創）\bin\dao\
?????文件?????????229??2011-09-26?18:42??shoppingcart（師創）\bin\dao\IItemDao.class
?????文件????????1313??2011-09-26?18:42??shoppingcart（師創）\bin\dao\IItemDaoImpl.class
?????文件?????????393??2011-09-26?18:42??shoppingcart（師創）\bin\dao\IOrderDao.class
?????文件????????2179??2011-09-26?18:42??shoppingcart（師創）\bin\dao\IOrderDaoImpl.class
?????文件?????????445??2011-09-26?18:42??shoppingcart（師創）\bin\dao\IProductDao.class
?????文件????????2554??2011-09-26?18:42??shoppingcart（師創）\bin\dao\IProductDaoImpl.class
?????文件?????????276??2011-09-26?18:42??shoppingcart（師創）\bin\dao\IUserDao.class
?????文件????????1689??2011-09-26?18:42??shoppingcart（師創）\bin\dao\IUserDaoImpl.class
?????目錄???????????0??2012-03-31?10:10??shoppingcart（師創）\bin\entity\
?????文件????????2725??2011-09-26?18:42??shoppingcart（師創）\bin\entity\Item.class
?????文件????????2132??2011-09-26?18:42??shoppingcart（師創）\bin\entity\Order.class
?????文件????????1996??2011-09-26?18:42??shoppingcart（師創）\bin\entity\Product.class
?????文件????????2007??2011-09-26?18:42??shoppingcart（師創）\bin\entity\shoppingcart.hbm.xml
?????文件????????3329??2011-09-26?18:42??shoppingcart（師創）\bin\entity\User.class
?????目錄???????????0??2012-03-31?10:10??shoppingcart（師創）\bin\exception\
?????文件?????????442??2011-09-26?18:42??shoppingcart（師創）\bin\exception\LoginException.class
?????文件?????????982??2011-09-26?18:42??shoppingcart（師創）\bin\hibernate.cfg.xml
?????文件????????1591??2011-09-26?18:42??shoppingcart（師創）\bin\log4j.properties
?????目錄???????????0??2012-03-31?10:10??shoppingcart（師創）\bin\sql\
?????文件????????1685??2011-09-26?18:42??shoppingcart（師創）\bin\sql\shoppingcart.sql
?????目錄???????????0??2012-03-31?10:10??shoppingcart（師創）\bin\test\
?????文件?????????991??2011-09-26?18:42??shoppingcart（師創）\bin\test\TestMain.class
............此處省略34個文件信息