例程实作----庖丁解羊（下） (转)[@more@]

例程实作XML:namespace prefix = o ns = "urn:schemas-microsoft-com:Office:office" />

  ----庖丁解羊（下）

#include

#include

using namespace std;

class Part{

public:

  virtual void Draw()=0;

  virtual ~Part(){}

};

class Shape{

public:

  Shape( string const& _s ):data( _s ){}

  void Draw( unsigned color )

  {

  cout << data << " with color :" << hex << color << endl;

  } //提供了借口，但是没有实现绘图

private:

  string data;

  //读者可以自己实现绘图部分

};

//绒毛，骨架，胸，腹，背，眼睛，鼻子，嘴巴，心，脾，肝，肠，肾，脚，尾巴，耳朵，肺，胃{{部分，显示=轮廓+颜色}，轮廓[1]，颜色[1]}

class BasePart : public Part{

public:

  BasePart( string const& _s , unsigned _c ):shape( _s ),color( _c ){}

  void Draw()

  {

  shape.Draw( color );

  }

private:

  Shape shape;

  unsigned color;

};

//绒毛

class Floss : public BasePart{

public:

  Floss( ):BasePart("Floss " ,0){}

};

//骨架

class Skelecton : public BasePart{

public:

  Skelecton( ):BasePart("Skelecton " ,0){}

};

//胸

class Bosom : public BasePart{

public:

  Bosom( ):BasePart("Bosom " ,0){}

};

//腹

class Abdomen : public BasePart{

public:

  Abdomen ( ):BasePart("Abdomen " ,0){}

};

//背

class Backside: public BasePart{

public:

  Backside ( ):BasePart("Backside " ,0){}

};

//眼睛

class Eye : public BasePart{

public:

  Eye ( ):BasePart("Eye " ,0){}

};

//耳朵

class Ear : public BasePart{

public:

  Ear ( ):BasePart("Ear " ,0){}

};

//鼻子

class Nose : public BasePart{

public:

  Nose ( ):BasePart("Nose " ,0){}

};

//嘴巴

class Mouth : public BasePart{

public:

  Mouth ( ):BasePart("Mouth " ,0){}

};

//尾巴

class Stern : public BasePart{

public:

  Stern ( ):BasePart("Stern " ,0){}

};

//胡子

class Goatee : public BasePart{

public:

  Goatee ( ):BasePart("Goatee " ,0){}

};

//心

class Heart : public BasePart{

public:

  Heart ( ):BasePart("Heart " ,0){}

};

//脾

class Spleen : public BasePart{

public:

  Spleen ( ):BasePart("Spleen " ,0){}

};

//肝

class Liver : public BasePart{

public:

  Liver ( ):BasePart("Liver " ,0){}

};

//肺

class Lung : public BasePart{

public:

  Lung ( ):BasePart("Lung " ,0){}

};

//胃

class Stomach : public BasePart{

public:

  Stomach ( ):BasePart("Stomach " ,0){}

};

//肠

class Intestine : public BasePart{

public:

  Intestine ( ):BasePart("Intestine " ,0){}

};

//肾

class Kidney : public BasePart{

public:

  Kidney ( ):BasePart("Kidney " ,0){}

};

//脚

class Leg : public BasePart{

public:

  Leg ( ):BasePart("Leg " ,0){}

};

//肢体{{部分, 显示=显示肢体}，脚[1]，绒毛[n]，骨架[1]}

class Limb : public Part{

public:

  void Draw()

  {

  cout << "Has a ";

  leg.Draw();

  cout << "Has a ";

  skelecton.Draw();

  cout << "Has some ";

  floss[0].Draw();

  }

private:

  Leg leg;

  Floss floss[10];

  Skelecton skelecton;

};

//前肢，后肢{{肢体}}

class Forelimb : public Limb{

public:

  void Draw()

  {

  cout<< "Forelimb " << endl;

  Limb::Draw();

  }

};

class Backlimb : public Limb{

public:

  void Draw()

  {

   cout<< "Backlimb " << endl;

  Limb::Draw();

  }

};

//四肢{{部分，显示=显示四肢}，前肢[2]，后肢[2]}

class ExteRmity : public Part{

public:

  void Draw()

  {

  cout<< "Has a Left ";

  Leftforelimb.Draw();

  cout<< "Has a Right ";

  Rightforelimb.Draw();

  cout<< "Has a Left ";

  Leftbacklimb.Draw();

  cout<< "Has a Right ";

  Rightbacklimb.Draw();

   }

private:

  Forelimb Leftforelimb,Rightforelimb;

  Backlimb Leftbacklimb,Rightbacklimb;

};

//内脏{{部分，显示=显示内脏}，心[1]，脾[1]，肝[1]，肺[2]，胃[1]，肠[n]，肾[2]}

class Harslet: public Part{

public:

  void Draw()

  {

  cout << "Harslet " <

  cout << "Has a ";

  heart.Draw();

  cout << "Has a ";

  spleen.Draw();

  cout << "Has a ";

  liver.Draw();

  cout << "Has a Left ";

  Leftlung.Draw();

  cout << "Has a Right ";

  Rightlung.Draw();

  cout << "Has a ";

  stomach.Draw();

  cout << "Has Some ";

  intestine[0].Draw();

   cout << "Has a Left ";

  Leftkidney.Draw();

  cout << "Has a Right ";

  Rightkidney.Draw();

  }

private:

  Heart heart;

  Spleen spleen;

  Liver liver;

  Lung Leftlung , Rightlung;

  Stomach stomach;

  Intestine intestine[10];

  Kidney Leftkidney,Rightkidney;

};

//五官{{部分，显示=显示五官}，耳朵[2]，眼睛[2]，鼻子[1]，嘴巴[1]}

class Face : public Part{

public:

  void Draw()

  {

  cout << "Face " <

  cout << "Has a Left ";

  Leftear.Draw();

  cout << "Has a Right ";

  Rightear.Draw();

  cout << "Has a Left ";

  Lefteye.Draw();

  cout << "Has a Right ";

  Righteye.Draw();

  cout << "Has a ";

  nose.Draw();

  cout << "Has a ";

  mouth.Draw();

  }

private:

  Ear Leftear,Rightear;

  Eye Lefteye,Righteye;

  Nose nose;

  Mouth mouth;

};

//尾部{{部分，显示=显示尾部}，尾巴[1]，绒毛[n]，骨架[1]}

class Tail: public Part{

public:

  void Draw()

  {

  cout << "Tail " <

  cout << "Has a ";

  stern.Draw();

  cout << "Has a ";

  skelecton.Draw();

  cout << "Has some ";

  floss[0].Draw();

  }

private:

  Stern stern;

  Floss floss[10];

  Skelecton skelecton;

};

//躯体{{部分，显示=显示躯体}，胸[1]，腹[1]，背[1]，内脏[1]，绒毛[n]，骨架[1]}

class Body: public Part{

public:

  void Draw()

  {

  cout << "Body " <

  cout << "Has a ";

  bosom.Draw();

  cout << "Has a ";

   abdomen.Draw();

  cout << "Has a ";

  backside.Draw();

  cout << "Has a ";

  harslet.Draw();

  cout << "Has a ";

  skelecton.Draw();

  cout << "Has some ";

  floss[0].Draw();

  }

private:

  Bosom bosom;

  Abdomen abdomen;

  Backside backside;

  Harslet harslet;

  Floss floss[10];

  Skelecton skelecton;

};

//脑袋{{部分，显示=显示脑袋}，五官[1]，胡子[n]，绒毛[n]，骨架[1]}

class Head: public Part{

public:

  void Draw()

  {

  cout <<"Head " << endl;

  cout << "Has a ";

  face.Draw();

  cout << "Has a ";

  skelecton.Draw();

  cout << "Has some ";

  goatee[0].Draw();

  }

private:

  Face face;

  Goatee goatee[10];

  Skelecton skelecton;

};

//山羊{{部分，显示=显示山羊}，脑袋[1]，躯体[1]，四肢[1]，尾部[1]}

class Sheep: public Part{

public:

   void Draw()

  {

  cout << "Sheep " << endl;

  cout << "Has a ";

  head.Draw();

  cout << "Has a ";

  body.Draw();

  cout << "Has a ";

  extermity.Draw();

  cout << "Has a ";

  tail.Draw();

  }

private:

  Head head;

  Body body;

  Extermity extermity;

  Tail tail;

};

void main(void)

{

  Sheep sheep;

  sheep.Draw();

  cin.get();

}

结果是：

Sheep

Has a Head

Has a Face

Has a Left Ear  with color :0

Has a Right Ear  with color :0

Has a Left Eye  with color :0

Has a Right Eye  with color :0

Has a Nose  with color :0

Has a Mouth  with color :0

Has a Skelecton  with color :0

Has some Goatee  with color :0

Has a Body

Has a Bosom  with color :0

Has a Abdomen  with color :0

Has a Backside  with color :0

Has a Harslet

Has a Heart  with color :0

Has a Spleen  with color :0

Has a Liver  with color :0

Has a Left Lung  with color :0

Has a Right Lung  with color :0

Has a Stomach  with color :0

Has Some Intestine  with color :0

Has a Left Kidney  with color :0

Has a Right Kidney  with color :0

Has a Skelecton  with color :0

Has some Floss  with color :0

Has a Has a Left Forelimb

Has a Leg  with color :0

Has a Skelecton  with color :0

Has some Floss  with color :0

Has a Right Forelimb

Has a Leg  with color :0

Has a Skelecton  with color :0

Has some Floss  with color :0

Has a Left Backlimb

Has a Leg  with color :0

Has a Skelecton  with color :0

Has some Floss  with color :0

Has a Right Backlimb

Has a Leg  with color :0

Has a Skelecton  with color :0

Has some Floss  with color :0

Has a Tail

Has a Stern  with color :0

Has a Skelecton  with color :0

Has some Floss  with color :0

邪门的是，这个程序我从头到尾打完以后，第一遍运行，居然没有错误，连误输入的错误都没有，这是不是说，我的指法又上层楼呢^o^。

虽然我提供了源程序，但是我希望还是认真的输入一遍，一来加深印象，二来可以练习指法。程序员的指法也是生产力啊。

不过这个程序只是演示性的，使用了固定的数组和变量，事实上弹性还远远不够，有一些属性的数目是可变的，比如羊毛是会掉的，瘸了一条腿的羊还是羊，所以重视弹性的话，这些变量都要改为指针可以动态的增减。

好了，说了半天相信读者也累了，还是让大家自己体会吧。

2001/9/27

丁宁