Dynamic_cast的效率问题 dynamic_cast的作用:在derived class身上执行derived class 执行函数,手头只有指向base的pointer或reference.方案一:class Window{...};class SpecialWindow:public Window{public:void blink();...}; typedef std::vecto iterator 2023-11-02 50 点赞 0 评论 75 浏览