设计模式学习——抽象工厂模式（Abstract Factory Pattern）

现有一批装备（产品），分为不同的部位（上装、下装）与不同的等级（lv1、lv2）。又有不同lv的工厂，只生产对应lv的全套装备。

代码实现上...本次写得比较偷懒，函数实现都写在头文件了....

有些重复的代码，是直接用sed替换一些字符生成的。如：

sed 's/lv1/lv2/g' Factory_lv1.h | sed 's/LV1/LV2/g' > Factory_lv2.h

Suit

  ///
  /// @file    Suit.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 15:47:04
  ///

 #ifndef __SUIT_H__
 #define __SUIT_H__

 #include <iostream>

 namespace marrs{

 using std::cout;
 using std::endl;
 using std::string;

 class Suit
 {
     public:
         virtual ~Suit(){}

     public:
         void put_on()
         {
             cout << "put on" << endl;
             show_msg();
         }
         void put_off()
         {
             cout << "put off" << endl;
             show_msg();
         }

     public:
         virtual string get_name() = ;
         virtual string get_type() = ;

     private:
         void show_msg()
         {
             cout << "type : " << get_type() << endl;
             cout << "name : " << get_name() << endl;
         }
 };

 }

 #endif // __SUIT_H__

Trousers

  ///
  /// @file    Trousers.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 15:54:48
  ///

 #ifndef __TROUSERS_H__
 #define __TROUSERS_H__

 #include "Suit.h"

 namespace marrs{

 class Trousers
 : public Suit
 {
     public:
         string get_type()
         {
             return "Trousers";
         }
 };

 }

 #endif // __TROUSERS_H__

Clothes

  ///
  /// @file    Clothes.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 16:01:08
  ///

 #ifndef __CLOTHES_H__
 #define __CLOTHES_H__

 #include "Suit.h"

 namespace marrs{

 class Clothes
 : public Suit
 {
     public:
         string get_type()
         {
             return "Clothes";
         }
 };

 }

 #endif // __CLOTHES_H__

Trouser_lv1

  ///
  /// @file    Trouser_lv1.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 16:02:40
  ///

 #ifndef __TROUSER_LV1_H__
 #define __TROUSER_LV1_H__

 #include "Trousers.h"

 namespace marrs{

 class Trouser_lv1
 : public Trousers
 {
     public:
         string get_name()
         {
             return "Trouser_lv1";
         }
 };

 }

 #endif // __TROUSER_LV1_H__

Trouser_lv2

  ///
  /// @file    Trouser_lv2.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 16:02:40
  ///

 #ifndef __TROUSER_LV2_H__
 #define __TROUSER_LV2_H__

 #include "Trousers.h"

 namespace marrs{

 class Trouser_lv2
 : public Trousers
 {
     public:
         string get_name()
         {
             return "Trouser_lv2";
         }
 };

 }

 #endif // __TROUSER_LV2_H__

Clothe_lv1

  ///
  /// @file    Clothe_lv1.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 16:02:40
  ///

 #ifndef __CLOTHE_LV1_H__
 #define __CLOTHE_LV1_H__

 #include "Clothes.h"

 namespace marrs{

 class Clothe_lv1
 : public Clothes
 {
     public:
         string get_name()
         {
             return "Clothe_lv1";
         }
 };

 }

 #endif // __CLOTHE_LV1_H__

Clothe_lv2

  ///
  /// @file    Clothe_lv2.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 16:02:40
  ///

 #ifndef __CLOTHE_LV2_H__
 #define __CLOTHE_LV2_H__

 #include "Clothes.h"

 namespace marrs{

 class Clothe_lv2
 : public Clothes
 {
     public:
         string get_name()
         {
             return "Clothe_lv2";
         }
 };

 }

 #endif // __CLOTHE_LV2_H__

Factory

  ///
  /// @file    Factory.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 16:07:00
  ///

 #ifndef __FACTORY_H__
 #define __FACTORY_H__

 #include "Trousers.h"
 #include "Clothes.h"

 namespace marrs{

 class Factory
 {
     public:
         virtual ~Factory(){}

     public:
         virtual Trousers * Create_Trousers() = ;
         virtual Clothes * Create_Clothes() = ;
 };

 }

 #endif // __FACTORY_H__

Factory_lv1

  ///
  /// @file    Factory_lv1.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 16:09:15
  ///

 #ifndef __FACTORY_LV1_H__
 #define __FACTORY_LV1_H__

 #include "Factory.h"
 #include "Trouser_lv1.h"
 #include "Clothe_lv1.h"

 namespace marrs{

 class Factory_lv1
 : public Factory
 {
     public:
         Trousers * Create_Trousers()
         {
             return new Trouser_lv1;
         }

         Clothes * Create_Clothes()
         {
             return new Clothe_lv1;
         }
 };

 }

 #endif // __FACTORY_LV1_H__

Factory_lv2

  ///
  /// @file    Factory_lv2.h
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 16:09:15
  ///

 #ifndef __FACTORY_LV2_H__
 #define __FACTORY_LV2_H__

 #include "Factory.h"
 #include "Trouser_lv2.h"
 #include "Clothe_lv2.h"

 namespace marrs{

 class Factory_lv2
 : public Factory
 {
     public:
         Trousers * Create_Trousers()
         {
             return new Trouser_lv2;
         }

         Clothes * Create_Clothes()
         {
             return new Clothe_lv2;
         }
 };

 }

 #endif // __FACTORY_LV2_H__

main

  ///
  /// @file    main.cc
  /// @author  marrs(chenchengxi993@gmail.com)
  /// @date    2017-08-13 16:11:54
  ///

 #include "Factory_lv1.h"
 #include "Factory_lv2.h"

 using namespace marrs;

 void Lv1_action()
 {
     Factory * factory = new Factory_lv1;
     Suit * suit_trouse_lv1 = factory->Create_Trousers();
     suit_trouse_lv1->put_on();
     suit_trouse_lv1->put_off();
     Suit * suit_clothe_lv1 = factory->Create_Clothes();
     suit_clothe_lv1->put_on();
     suit_clothe_lv1->put_off();
     delete suit_trouse_lv1;
     delete suit_clothe_lv1;
     delete factory;
     return;
 }

 void Lv2_action()
 {
     Factory * factory = new Factory_lv2;
     Suit * suit_trouse_lv2 = factory->Create_Trousers();
     suit_trouse_lv2->put_on();
     suit_trouse_lv2->put_off();
     Suit * suit_clothe_lv2 = factory->Create_Clothes();
     suit_clothe_lv2->put_on();
     suit_clothe_lv2->put_off();
     delete suit_trouse_lv2;
     delete suit_clothe_lv2;
     delete factory;
     return;
 }

 int main()
 {
     Lv1_action();
     Lv2_action();
     return ;
 }

编译，运行

[ccx@ubuntu ~/object-oriented/Abstract-Factory-Pattern]$>g++ * -o suit_action.exe
[ccx@ubuntu ~/object-oriented/Abstract-Factory-Pattern]$>./suit_action.exe
put on
type : Trousers
name : Trouser_lv1
put off
type : Trousers
name : Trouser_lv1
put on
type : Clothes
name : Clothe_lv1
put off
type : Clothes
name : Clothe_lv1
put on
type : Trousers
name : Trouser_lv2
put off
type : Trousers
name : Trouser_lv2
put on
type : Clothes
name : Clothe_lv2
put off
type : Clothes
name : Clothe_lv2