摘要: 先定义两个类 public class A { protected void fun1() { fun2(); } protected virtual void fun2() { Console.WriteLine("A.fun2"); } } public class B : A { public 阅读全文
posted @ 2021-04-01 16:23 Myisqq 阅读(88) 评论(0) 推荐(0) 编辑