static void Main(string[] args)
{
var a = new Subject1();
var b1 = new Obserber1(a);
var b2 = new Obserber1(a);
var b3 = new Obserber1(a);
var b4 = new Obserber1(a);
var b5 = new Obserber1(a);
b3.Flag = false;
b1.Tag = "x";
b2.Tag = "xx";
b3.Tag = "xxx";
b4.Tag = "xxxx";
b5.Tag = "xxxxx";
b1.register();
b2.register();
b5.register();
b3.register();
b4.register();
//按注册顺序增加 并遍历发送
a.setParameter1(1, 2);
}
public void remove(Obserber1 obserber1)
{
var index = OberserList.IndexOf(obserber1);
if (index > 0)
{
OberserList.Remove(obserber1);
}
}
public void register(Obserber1 obserber1)
{
OberserList.Add(obserber1);
}