shoppingcart.java

java网上订餐系统java网上订餐系统java网上订餐系统

package com.bo;

import java.io.Serializable;
import java.util.HashMap;
import com.vo.CartBean;
import com.vo.FoodInfo;

public class ShoppingCart implements Serializable{
	private HashMap<String,CartBean> map = new HashMap<String,CartBean>();
	private CartBean cartBean;
		
	//在购物车里加载一本书，传一个Bean
	public void addFood(FoodInfo foodInfo){
		cartBean = new CartBean();
		cartBean.setFoodCount(1);
		cartBean.setFoodInfo(foodInfo);
		map.put(foodInfo.getFoodID(), cartBean);
		
	}
	//更新多少本书，传一个数量和一个食物ID进来
	public void updateFoodCount(int foodCount,String foodID){
		cartBean = map.get(foodID);
		cartBean.setFoodCount(foodCount);
	}
	//删除所有书
	public void deleteFoodInfo(){
		map.clear();
	}
	//返回一个HashMap
	public HashMap<String, CartBean> getCart() {
		return map;
	}
//	返回一个CartBean
	public CartBean getCartBean() {
		return cartBean;
	}
	
}