来自「visualCplusplus学习课件大连东软培训教材」· 代码 · 共 68 行

#include "stdafx.h"
#include <iostream.h>

class CEye
{ 
public:
	void Look(void);
};

void CEye::Look(void)
{
	cout << "look" <<endl;
}

class CNose
{
public:
	void Smell(void);
};

void CNose::Smell()
{
	cout << "smell"<<endl;
}

class CMouth
{ 
public:
	void Eat(void);
};

void CMouth::Eat(void)
{
	cout << "eat" <<endl;
}

class CEar
{ 
public:
	void Listen(void);
};

void CEar::Listen(void)
{
	cout << "listen" <<endl;
}
// 正确的设计，冗长的程序
class CHead
{
public:
	void Look(void) { m_eye.Look(); }
	void Smell(void) { m_nose.Smell(); }
	void Eat(void) { m_mouth.Eat(); }
	void Listen(void) { m_ear.Listen(); }
private:
	CEye m_eye;
	CNose m_nose;
	CMouth m_mouth;
	CEar m_ear;
};
void main()
{
	CHead h;
	h.Look();
	h.Smell();
	h.Eat();
	h.Listen();
}