using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace _16超市收银系统{    class CangKu    {        List<List<ProductFather>> list = new List<List<ProductFather>>();        /// <summary>        ///向用户展示货物        /// </summary>        public void ShowPros()        {            foreach (var item in list)//item是List<>货架,item[0]是里面的ProductFather,0是key,句号后面的是Value，key会通过foreach自动遍历,遍历,item[0],从零开始自动遍历到最后的索引            {                Console.WriteLine("我们超市有：" + item[0].Name + "," + "\t" + "有" + item.Count + "个," + "\t" + "每个" + item[0].Price + "元");//显示item[0]的所有属性            }        }        //list[0]存储Acer电脑        //list[1]存储三星手机        //list[2]存储酱油        //list[3]存储香蕉        /// <summary>        /// 在创建仓库对象的时候 像仓库中添加货架        /// </summary>        public CangKu()        {            list.Add(new List<ProductFather>());            list.Add(new List<ProductFather>());            list.Add(new List<ProductFather>());            list.Add(new List<ProductFather>());        }        /// <summary>        /// 进货        /// </summary>        /// <param name="strType">货物的类型</param>        /// <param name="count">货物的数量</param>        public void JinPros(string strType, int count)//顺序表的进站        {            for (int i = 0; i < count; i++)            {                switch (strType)                {                    case "Acer": list[0].Add(new Acer(Guid.NewGuid().ToString(), 1000, "宏基笔记本"));                        break;                    case "SamSung": list[1].Add(new SamSung(Guid.NewGuid().ToString(), 2000, "棒之手机"));                        break;                    case "JiangYou": list[2].Add(new JiangYou(Guid.NewGuid().ToString(), 10, "老抽酱油"));                        break;                    case "Banana": list[3].Add(new Banana(Guid.NewGuid().ToString(), 50, "大香蕉"));                        break;                }            }        }        /// <summary>        /// 从仓库中提取货物        /// </summary>        /// <param name="strType"></param>        /// <param name="count"></param>        /// <returns></returns>        public ProductFather[] QuPros(string strType, int count)        {            ProductFather[] pros = new ProductFather[count];            for (int i = 0; i < pros.Length; i++)            {                switch (strType)                {                    case "Acer":                        pros[i] = list[0][0];//取相应货架的第一个，顺序表的出站                        list[0].RemoveAt(0);                        break;                    case "SamSung": pros[i] = list[1][0];                        list[1].RemoveAt(0);                        break;                    case "JiangYou": pros[i] = list[2][0];                        list[2].RemoveAt(0);                        break;                    case "Banana": pros[i] = list[3][0];                        list[3].RemoveAt(0);                        break;                }            }            return pros;        }    }}