public CalFather GetCal(string input)//简单工厂核心，利用抽象类实现多态
{
CalFather cal = null;
switch (input)
{
case "1": cal = new CalNormal();
break;
case "2": cal = new CalRate(0.9);
break;
case "3": cal = new CalRate(0.85);
break;
case "4": cal = new CalMN(300, 50);
break;
case "5": cal = new CalMN(500, 100);
break;
default:
break;
}
return(cal);
}
//创建超市对象时，给仓库货架上导入货物
public void AskBuying()
{
Console.WriteLine("欢迎光临，请问您需要什么");
Console.WriteLine("我们有Acer,SamSung,JiangYou,Bananan");
string strType = Console.ReadLine();
Console.WriteLine("您需要多少");
int count = Convert.ToInt32(Console.ReadLine());
//取货
ProductFather[] pros = storage.QuPro(strType, count);
//结账
double realMoney = GetMoney(pros);
Console.WriteLine("您总共应支付{0}", realMoney);
Console.WriteLine("请选择打折方式 1--不打折 2--打九折 3--打85折 4--买300送50 5--买500送10");
string intput = Console.ReadLine();
//通过简单工厂设计模式根据用户输入获得打折对象
CalFather cal = GetCal(intput);
double totalMoney = cal.GetTotalMoney(realMoney);
Console.WriteLine("打完折后，您应付{0}元", totalMoney);
Console.WriteLine("以下是您的购物信息");
foreach (var item in pros)
{
Console.WriteLine("货物名称 ：" + item.Name + "," + "\t" + "货物单价：" + item.Price + "," + "\t" + "货物编号：" + item.Id);
}
}