子类调用父类方法

class Base
{
public:
	void f()
	{
		cout << "Base::f" << endl;
	}
};

class Derived : public Base
{
public:
	void f()
	{
		cout << "Derived::f" << endl;
		Base::f();
	}
};

int main()
{
	Derived d;
	d.f();
	d.Base::f();
	return 0;
}