2018-12-26练习二

try
{
string pass;
int count = 1;
int amount = 0;
string password = "111111";
bool ispass = false;

            Console.WriteLine("请输入密码：");
            pass = Console.ReadLine();

            while (count < 3 && !ispass)
            {
                if (pass != password)
                {
                    count++;
                    Console.WriteLine("请输入密码");
                    pass = Console.ReadLine();
                    continue;
                }
                Console.WriteLine("请输入金额");
                amount =Convert .ToInt32(Console .ReadLine ());
                while (amount > 1000 || amount % 100 != 0)
                {
                    Console.WriteLine("请输入金额");
                    amount = Convert.ToInt32(Console .ReadLine());
                }
                ispass = true;
                break;

            }
            if (count >= 3)
            {
                Console.WriteLine("你三次密码输入错误，卡被冻结");
            }
            if (ispass)
            {
                Console.WriteLine("你取出了{0}元",amount );
                Console.WriteLine("交易成功");
            }

        }
        catch
        {
            Console.WriteLine("程序错误！！");
        }
        Console.ReadKey();