6.15-多重继承.cpp

来自「Visual C++的课件」· C++ 代码 · 共 52 行

// Listing 13.2 Using dynamic_cast.
// Using rtti

#include <iostream.h>
enum TYPE { HORSE, PEGASUS };

class Horse
{
public:
	virtual void Gallop(){ cout << "Galloping...\n"; }

private:
	int itsAge;
};

class Pegasus : public Horse
{
public:

	virtual void Fly() { cout << "I can fly! I can fly! I can fly!\n"; }
};

const int NumberHorses = 5;
int main()
{
	Horse* Ranch[NumberHorses];
	Horse* pHorse;
	int choice,i;
	for (i=0; i<NumberHorses; i++)
	{
		cout << "(1)Horse (2)Pegasus: ";
		cin >> choice;
		if (choice == 2)
			pHorse = new Pegasus;
		else
			pHorse = new Horse;
		Ranch[i] = pHorse;
	}
	cout << "\n";
	for (i=0; i<NumberHorses; i++)
	{
		Pegasus *pPeg = dynamic_cast< Pegasus *> (Ranch[i]);
		if (pPeg)
			pPeg->Fly();
		else
			cout << "Just a horse\n";

		delete Ranch[i];
	}
	return 0;
}