static void Main(string[] args)
{
Hearter hearter = new Hearter();
Screen screen = new Screen();
hearter.Register(screen);
hearter.BoilWater();
Console.ReadLine();
}
public void Updata(IObservable sender)
{
Hearter hearter = (Hearter)sender;
if (!isDisplayedType)
{
Console.WriteLine("{0}-{1}:", hearter.Area, hearter.Type);
Console.WriteLine();
isDisplayedType = true;
}
if (hearter.Temprature < 100)
{
Console.WriteLine("Alarm".PadRight(8) + "：水快烧开了，当前温度：{0}。", hearter.Temprature);
}
else
{
Console.WriteLine("Alarm".PadRight(8) + "：水已经烧开了！！");
}
}
