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();
}
private void Start()
{
ConcreteSubjectA subjectA = new ConcreteSubjectA();
IObserver observerA = new ConcreteObserverA(subjectA);
IObserver observerB = new ConcreteObserverB(subjectA);
subjectA.AddObserber(observerA);
subjectA.AddObserber(observerB);
//改变subjectA的状态
subjectA.State = "状态A";
}
private ConcreteSubjectA mSubject; //创建自身的实例
public ConcreteObserverA(ConcreteSubjectA subject)
{
mSubject = subject;//用来添加观察者
}
public ConcreteObserverA1(ConcreteSubjectA concreteSubjectA)
{
ConcreteSubjectA = concreteSubjectA;
}