static void Main(string[] args)
{
// Subject s = new Subject();
Subject s = new Subject();
IObserver ob1 = new Ob1(s);
IObserver ob2 = new Ob2();
s.state = "状态1";
s.AddObserver(ob1);
s.AddObserver(ob2);
s.Update();
s.state = "状态2";
s.RemoveObserver(ob2);
s.Update();
//DelegateSubject ds = new DelegateSubject();
//ds.Observer += ob1.Execute;
//ds.Observer += ob2.Execute;
//ds.Update();
//ds.Observer -= ob1.Execute;
//ds.Update();
Console.Read();
}
void Test()
{
var subject1 = new Subject()
{
};
var observer_A = new Observer("A");
var observer_B = new Observer("B");
var observer_C = new Observer("C");
subject1.AddObserver(observer_A);
subject1.AddObserver(observer_B);
subject1.AddObserver(observer_C);
subject1.Update();
}