static void Main(string[] args)
{
ISubject subject = new ConcreteSubject()
{
SubjectState = "Hello"
};
IObserver observer1 = new ConcreteObserver1(subject, "张三");
IObserver observer2 = new ConcreteObserver1(subject, "李四");
subject.Add(observer1);
subject.Add(observer2);
subject.SubjectState = "天塌了";
subject.Notify();
Console.ReadKey();
}
static void Main(string[] args)
{
Subject Wangsicong = new ConcreteSubject("王思聪");
var jello = new ConcreteObserver("jello");
var fanbingbing = new ConcreteObserver("范冰冰");
var huangxiaoming = new ConcreteObserver("黄晓明");
Wangsicong.Add(jello);
Wangsicong.Add(fanbingbing);
Wangsicong.Add(huangxiaoming);
Wangsicong.Notify("国足不给力啊！");
Console.WriteLine("---jello取消关注了王思聪---");
Wangsicong.Remove(jello);
Console.WriteLine("---angelababy关注了王思聪---");
var angelababy = new ConcreteObserver("angelababy");
Wangsicong.Add(angelababy);
Wangsicong.Notify("蜻蜓FF老板应该坐牢");
Console.ReadKey();
}