l7_10.cpp

来自「《C++程序设计教程》电子教案及例题源码」· C++ 代码 · 共 48 行

#include <iostream.h>
class CBase0 
{
protected:
	int b0;
public:
	CBase0(int x=0)
	{
		b0=x;
	}
	int GetB0()
	{
		return b0;
	}
};

class CBase1 : virtual public CBase0 
{
public:
	CBase1(int x=0) : CBase0(x)
	{
	}
};

class CBase2 : virtual public CBase0 
{
public:
	CBase2(int x=0) : CBase0(x)
	{
	}
};

class CDerived : public CBase1,public CBase2 
{
public:
	CDerived(int x,int y,int z):CBase0(x),CBase1(y),CBase2(z)
	{
	}
};

void main()
{
	CDerived d1(10,15,20);
	cout << d1.GetB0() <<endl;  
	cout << d1.CBase1::GetB0() <<endl;  
	cout << d1.CBase2::GetB0() <<endl;  
}