摘要: 双向耦合的代码 public class Secretary { private IList<StockObserver> observers = new List<StockObserver>(); private string action; //增加 public void Attach(St 阅读全文
posted @ 2022-05-08 23:27 C#工控菜鸟 阅读(45) 评论(0) 推荐(0) 编辑