public void AskBuying()
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("欢迎光临,请问你需要什么？");
Console.WriteLine("我们有弘基，三星，酱油，香蕉");
Console.ForegroundColor = ConsoleColor.White;
String type = Console.ReadLine();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("你需要多少？");
Console.ForegroundColor = ConsoleColor.White;
int count = Convert.ToInt32(Console.ReadLine());
ProductFather[] pros = ck.QuProduct(type, count);
double realMoney = GetMoney(pros);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("你总共应付{0}元", realMoney);
Console.WriteLine("请选择你的打折方式 ：1--不打折 2--大85折 3--打九折 4--买300送50 5--买500送100");
Console.ForegroundColor = ConsoleColor.White;
String input = Console.ReadLine();
CalFather cal = GetCal(input);
double totalmonet = cal.TotalMoney(realMoney);
Console.WriteLine("打折后的价钱是{0}", totalmonet);
Console.WriteLine("一下是你的购物信息");
foreach (var item in pros)
{
Console.WriteLine("货物名称：" + item.Name + " 货物单价" + item.Price + " 货物编号" + item.ID);
}
}
public CalFather GetCal(String input)
{
CalFather cal = null;
switch (input)
{
case "1": cal = new CalNormal(); break;
case "2": cal = new CalRate(0.85); break;
case "3": cal = new CalRate(0.9); break;
case "4": cal = new CalMN(300, 50); break;
case "5": cal = new CalMN(500, 100); break;
}
return(cal);
}