static void Main(string[] args)
{
//第一组
ConcreteSubjectA subjectA = new ConcreteSubjectA(1);
ConcreteObserverA1 observerA1 = new ConcreteObserverA1(subjectA);
ConcreteObserverA2 observerA2 = new ConcreteObserverA2(subjectA);
subjectA.attach(observerA1);
subjectA.attach(observerA2);
subjectA.notify();
subjectA.SubjectState = 5;
subjectA.notify();
//第二组
ConcreteSubjectB subjectB = new ConcreteSubjectB("观察对象二");
ConcreteObserverB1 observerB1 = new ConcreteObserverB1(subjectB);
ConcreteObserverB2 observerB2 = new ConcreteObserverB2(subjectB);
subjectB.attach(observerB1);
subjectB.attach(observerB2);
subjectB.notify();
subjectB.SubjectState = "状态变了";
subjectB.notify();
}
public ConcreteObserverB2(ConcreteSubjectB concreteSubjectB)
{
ConcreteSubjectB = concreteSubjectB;
}