public CalFather GetCal(string input)
{
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;
}
return(cal);
}
//与用户交互过程
public void AskBuying()
{
int count = 0;
bool flag1 = true;
Productfather[] total_pros = new Productfather[10000];
Console.WriteLine("欢迎光临，请问您需要些神马");
Console.ReadKey(true);
while (flag1 == true)
{
Console.WriteLine("我们有Acer，Sumsung，Jiangyou，Banana.");
string strType = Console.ReadLine();
while (true)
{
if (strType != "Acer" && strType != "Sumsung" && strType != "Jiangyou" && strType != "Banana")
{
Console.WriteLine("输入有误 我们商店只有商品Acer，Sumsung，Jiangyou，Banana.");
strType = Console.ReadLine();
}
else
{
break;
}
}
Console.WriteLine("您需要多少");
count = Convert.ToInt32(Console.ReadLine());
while (true)
{
if (count > 0 && count < 1000)
{
break;
}
else if (count >= 1000)
{
Console.WriteLine("您输入的数量大于仓库中货物数量，请重新输入");
count = Convert.ToInt32(Console.ReadLine());
}
else
{
Console.WriteLine("您输入的数量不正确，请重新输入");
count = Convert.ToInt32(Console.ReadLine());
}
}
Productfather[] pros = ck.Qupros(strType, count);
for (int i = 0; i < count; i++)
{
total_pros[j] = pros[i];
j++;
}
Console.WriteLine("本项购买结束如果需要继续购买输入1，退出输入2");
string inputp = Console.ReadLine();
while (true)
{
if (inputp == "1")
{
break;
}
else if (inputp == "2")
{
flag1 = false;
break;
}
else
{
Console.WriteLine("输入语法错误 请重新输入1或者2 1--继续购买 2--退出");
inputp = Console.ReadLine();
}
}
}
Productfather[] pros_total = new Productfather[j];
for (int i = 0; i < j; i++)
{
pros_total[i] = total_pros[i];
}
double realMoney = GetMoney(pros_total);
Console.WriteLine("今天您应付{0}元", realMoney);
Console.ReadKey();
Console.WriteLine("请选择优惠类型,1---不打折 2---打9折 3---打85折 4--买300送50 5--买500送100");
string input = Console.ReadLine();
//通过简单工厂的工作模式返回 传入打折类型
CalFather cal = GetCal(input);
double totalmoney = cal.GetRealMoney(realMoney);
Console.WriteLine("打完折后 您应付{0}元", totalmoney);
Console.ReadKey(true);
Console.WriteLine("以下是你的购物信息");
foreach (var item in pros_total)
{
Console.WriteLine("货物名称：" + item.Name + "\t" + "货物单价:" + item.Price + "\t" + "货物编号:" + item.Id);
}
}