摘要: class Observer{ public: Observer(int id):m_id(id){}; void obPirnt(){ cout << "obj " << m_id << " find change!" << endl; } private: int m_id; }; class 阅读全文
posted @ 2022-02-08 20:06 子于舟 阅读(33) 评论(0) 推荐(0)