public static void Main(string[] args)
{
Console.Write("请输入您要取款的金额：");
string amount = Console.ReadLine();
Console.WriteLine("交易成功，请取磁卡。");
//初始化e
UserEventArgs user = new UserEventArgs("*****@*****.**", "18868789776", amount);
//初始化订阅系统
SubscribSystem subject = new SubscribSystem(new BankAccount(), user);
Console.ReadKey();
}
static void Main(string[] args)
{
Console.Write("请输入您要取款的金额：");
string amount = Console.ReadLine();
Console.WriteLine("交易成功，请取磁卡。");
//初始化e
UserEventArgs user = new UserEventArgs("*****@*****.**", "18868789776", amount);
//初始化订阅系统
SubscribSystem subject = new SubscribSystem(new BankAccount(), user);
Console.ReadKey();
//委托观察者模式总结
//1.定义一个事件数据类，有事件要用到的数据 如这里的UserEventArgs 2.定义一个订阅系统 ，初始化时传入发布者和事件参数，实现发布者的事件
//
}