public static void SimpleObserverTest()
{
Console.WriteLine("简单实现的观察者模式：");
Console.WriteLine("=======================");
//1、初始化鱼竿
var fishingRod = new FishingRod();
//2、声明垂钓者
var jeff = new FishingMan("Tommy");
//3、将垂钓者观察鱼竿
fishingRod.AddSubscriber(jeff);
//4、循环钓鱼
while (jeff.FishCount < 100)
{
fishingRod.Fishing();
Console.WriteLine("-------------------");
//睡眠5s
Thread.Sleep(5000);
}
}