摘要: #include <iostream> using namespace std; //动物类 class Animal { public: virtual void speak() { cout << "动物在说话" << endl; } }; //猫类 class Cat :public Anim 阅读全文
posted @ 2021-12-15 09:17 晓风霜度- 阅读(66) 评论(0) 推荐(0)