package com.chapter2;

import java.util.*;
import java.io.*;
	
public class Goods implements Serializable
{  
	public Hashtable Goods=new Hashtable();
	//構(gòu)造函數(shù)
	public void Goods()
	{	}
	
	//將某個(gè)商品信息加入購(gòu)物車(chē)
	public void add(String GoodsName,int GoodsNumber)
	{
		if(Goods.containsKey(GoodsName))
		{//購(gòu)物車(chē)中存在此商品
			int iTemp=((Integer)Goods.get(GoodsName)).intValue();
			iTemp=iTemp+GoodsNumber;
			Goods.put(GoodsName,new Integer(iTemp));
		}
		else
		{//購(gòu)物車(chē)中不存在此商品
			Goods.put(GoodsName,new Integer(GoodsNumber));
		}
	}
	
	//獲取購(gòu)物車(chē)中所有商品信息
	public Hashtable show()
	{
		return Goods;
	} 
	
	//從購(gòu)物車(chē)中刪除一件商品信息
	public void delete(String GoodsName)
	{
		Goods.remove(GoodsName);
	}  
}