虚基类的值由最远派生类赋值

#include<iostream>

using namespace std ;

class Base

{ 

	int basee ;

public:

	Base(int base)

	{

		cout<<"Initializing Base..."<<endl;

		this->basee = base ; 

	}

	void show()

	{

		cout<<basee<<endl;

	}

};

class Base1 : virtual public Base

{

	int base11 ;

public:

	Base1(int base1 ,int base1base ):Base(base1base)

	{

		this->base11 = base1 ;

		cout<<"Initializing Base1..."<<endl;

	} 

};

class Base2:virtual public Base

{

	int base22 ;

public:

	Base2(int base2, int base2base):Base(base2base)

	{

		this->base22 = base2 ;

		cout<<"Initializing Base2...."<<endl;

	}

};

class Derived : public Base1, public Base2

{

	int derived ;

public:

	Derived(int derivied , int derivedbase , int base1 , int base1base ,  int base2 , int base2base ) : Base(derivedbase),Base1(base1,base1base),Base2(base2,base2base)

	{

		cout<<"Initializing Derived..."<<endl;

		this->derived = derivied;

	}

};

int main()

{

	int derivied = 1 ;

	int derivedbase = 2 ;

	int base1 = 3 ;

	int base1base = 4 ;

	int base2 = 5 ;

	int base2base = 6 ;

	Derived d(derivied , derivedbase,base1,base1base,base2,base2base);

   d.show();

	return 0 ;

}

　　

输出为 derivedbase=2