C++ 父类指针如何调用子类的变量和函数虚函数virtual实例

软件工程小施同学发布时间：2022-05-08 21:53:27 ，浏览量：0

问题：

类A继承类B，父类B的指针如何调用子类A中的变量和函数？

解决方案：

在父类B类中定义虚函数

父类中有自己的实现，子类重新实现

virtual void Show(){        cout


    
        
        
        
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C++ 父类指针如何调用子类的变量和函数 虚函数virtual实例

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C++ 父类指针如何调用子类的变量和函数虚函数virtual实例