Design pattern-Abstract Factory mode (c + + implementation)

1#include <iostream>2#include <string>3 4 using namespacestd;5 6 7 classstabstractproducta8 {9  Public:Ten         Virtual voidUse () =0; One }; A  - classSTProductA1: Publicstabstractproducta - { the  Public: -         Virtual voidUse () -         { -cout<<"Use ProductA1 ......."<<Endl; +         } - }; +  A classSTProductA2: Publicstabstractproducta at { -  Public: -         Virtual voidUse () -         { -cout<<"Use ProductA2 ......."<<Endl; -         } in }; -  to classSTABSTRACTPRODUCTB + { -  Public: the         Virtual voidEat () =0; * }; $ Panax Notoginseng classSTProductB1: PublicSTABSTRACTPRODUCTB - { the  Public: +         Virtual voidEat () A         { thecout<<"eat ProductB1 ... and so on."<<Endl; +         } - }; $  $ classSTProductB2: PublicSTABSTRACTPRODUCTB - { -  Public: the         Virtual voidEat () -         {Wuyicout<<"eat ProductB2 ... and so on."<<Endl; the         } - }; Wu  - classstabstractfactory About { $  Public: -         Virtualstabstractproducta* createproducta () =0; -         Virtualstabstractproductb* CREATEPRODUCTB () =0; - }; A  + classStconcretefactorya: Publicstabstractfactory the { -  Public: $         Virtualstabstractproducta*createproducta () the         { the                 return NewSTProductA1; the         } the         Virtualstabstractproductb*CREATEPRODUCTB () -         { in                 return NewSTProductB1; the         } the }; About  the classStconcretefactoryb: Publicstabstractfactory the { the  Public: +         Virtualstabstractproducta*createproducta () -         { the                 return NewSTProductA2;Bayi         } the         Virtualstabstractproductb*CREATEPRODUCTB () the         { -                 return NewSTProductB2; -         } the }; the  the intMainintargcChar*argv[]) the { -stabstractfactory* FC =NewStconcretefactorya (); thestabstractproducta* PA = fc->createproducta (); thestabstractproductb* PB = fc->CREATEPRODUCTB (); the 94Pa->Use (); thePb->eat (); the  thestabstractfactory* FC2 =NewStconcretefactoryb ();98stabstractproducta* PA2 = fc2->createproducta (); Aboutstabstractproductb* PB2 = fc2->CREATEPRODUCTB (); - 101Pa2->Use ();102Pb2->eat ();103 104         return 0; the }106 ////////////////////////////////////////107[Email protected] ~/learn_code/design_pattern/9_abstract_factory]$.abstract_factory108 Use ProductA1 .......109 eat ProductB1 ... and so on. the Use ProductA2 .......111Eat ProductB2 ... and so on.

Design pattern-Abstract Factory mode (c + + implementation)