static void Main()
{
Player theBestPlayer = new Player("Petio");
ISportsFan firstFanEver = new SportsFan("Del Piero");
ISportsFan bestFanEver = new SportsFan("Raul");
theBestPlayer.Add(firstFanEver);
theBestPlayer.Add(bestFanEver);
Console.WriteLine(theBestPlayer.Score);
theBestPlayer.Score = 45;
Console.WriteLine();
theBestPlayer.Score = 0;
}
static void Main(string[] args)
{
Console.WriteLine("观察者模式：定义对象之间的一种一对多依赖关系，使得每当一个对象状态发生变化时，其相关对象皆得到通知并被自动更新。观察者模式的别名包括发布-订阅模式，模型视图模式等。观察者模式是一种对象行为模式。");
ConcreteControlCenter center = new ConcreteControlCenter("SB");
Observer p1=new Player();
Observer p2=new Player();
Observer p3=new Player();
p1.name = "A";
p2.name = "B";
p3.name = "C";
center.join(p1);
center.join(p2);
center.join(p3);
p2.beAttacked(center);
Console.ReadKey();
}