【C++】子类在重写虚函数时，会覆盖父类的函数

//子类在重写虚函数时，会覆盖父类的函数#include <iostream>using namespace std;class B{public:B(){cout<<"Create B!"<<endl;}public:virtual void fun(){cout<<"B::fun()"<<endl;}virtual void show(){cout<<"B::show()"<<endl;}void print(){cout<<"B::print()"<<endl;}};class D : public B{public:D(){cout<<"Create D!"<<endl;}public:void fun(){cout<<"D::fun()"<<endl;}void show(){cout<<"D::show()"<<endl;}virtual void list(){cout<<"D::list()"<<endl;}};void main(){D d;B *p=&d;p->fun();    p->show();}<img src="http://img.blog.csdn.net/20150512213921986?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZG91ZG91d2ExMjM0/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />