/// <summary>
/// 观察者模式中的推拉，类似于winform窗体事件
/// </summary>
/// <param name="args"></param>
private static void MainOberser(string[] args)
{
door door = new door();
Doorbell doorbell = new Doorbell();
Photograph photograph = new Photograph();
Whistle whistle = new Whistle();
SendMessagePhone sendMessagePhone = new SendMessagePhone();
door.Register(photograph);
door.Register(whistle);
door.Register(sendMessagePhone);
//doorbell.Register(photograph);
//doorbell.Register(sendMessagePhone);
//doorbell.Press();
door.IsAlarm = true;
door.OpenedDoor();
door.IsAlarm = false;
door.OpenedDoor();
door.UnRegister(whistle);
door.IsAlarm = true;
door.OpenedDoor();
Console.ReadLine();
}
public void Notify(IObserverble observerble, EventArgs eventArgs)
{
// 解耦不够彻底
// 这里存在一个向下转换(由继承体系中高级别的类向低级别的类转换)。
door door = (door)observerble;
Console.WriteLine($"I am SendMessagePhone,the opendoor time {door._TimeNow}");
}