c++设计模式--抽象工厂模式

朱雀 2022-01-22 00:41 217阅读 0赞

**在上期[再谈工厂模式][Link 1]，王老板加盟了烤鸭店，几个月后，王老板想得到更多的利益，于是想了个主意----在烤鸭源材料上偷工减料。果然，这招让王老板大赚特赚。一个月后，北京总店发现，北京烤鸭的口碑越来越差，经过一翻调查，终于发现了原因，于是，冥思苦想，最后决定在原料上把关----因地制宜，所有城市的烤鸭都要求特制的源材料。于是委托Fish写了如下程序：抽象工厂模式。顺便解释一下，在SaurceFactory，为了体现抽象工厂模式，本应设定多个原料接口函数的，但为了避免吓坏读者，就只写了一个createSauce()；**

**Saurce.h**

**\#ifndef Saurce\_H**

**\#define Saurce\_H  
class Saurce  
\{  
  
public:  
virtual void description()=0;  
  
  
  
  
  
  
\};**

**\#endif**

**ShangHaiRoastDuckSaurce.h**

**\#ifndef ShangHaiRoastDuckSaurce\_H  
\#define ShangHaiRoastDuckSaurce\_H  
\#include"Saurce.h"  
\#include<iostream>  
using std::cout;  
using std::endl;  
class ShangHaiRoastDuckSaurce:public Saurce  
\{  
  
  
void description()  
\{  
cout<<"ShangHaiRoastDuckSaurce:"<<endl;  
  
  
\}  
  
  
  
  
\};  
  
  
  
  
  
  
\#endif**

**BeijinRoastDuckSaurce.h**

**\#ifndef BeijinRoastDuckSaurce\_H  
\#define BeijinRoastDuckSaurce\_H  
\#include"Saurce.h"  
\#include<iostream>  
using std::cout;  
using std::endl;  
class BeijinRoastDuckSaurce:public Saurce  
\{  
  
  
void description()  
\{  
cout<<"BeijinRoastDuckSaurce:"<<endl;  
  
  
\}  
  
  
  
  
\};  
  
  
  
  
  
  
\#endif**

**SaurceFactory.h**

**\#ifndef SaurceFactory\_H  
\#define SaurceFactory\_H  
\#include"Saurce.h"  
  
  
class SaurceFactory  
\{  
  
  
public:  
virtual Saurce\* createSauce()=0;  
  
  
  
  
\};  
\#endif**

**BeijinSaurceFactory.h**

**\#ifndef BeijinSaurceFactory\_H  
\#define BeijinSaurceFactory\_H  
\#include"SaurceFactory.h"  
\#include"BeijinRoastDuckSaurce.h"  
class BeijinSaurceFactory:public SaurceFactory  
\{  
  
  
Saurce\* createSauce()  
\{  
return new BeijinRoastDuckSaurce;  
  
  
\}  
  
  
\};  
\#endif**

**ShangHaiSaurceFactory.h**

**\#ifndef ShangHaiSaurceFactory\_H  
\#define ShangHaiSaurceFactory\_H  
\#include"SaurceFactory.h"  
\#include"ShangHaiRoastDuckSaurce.h"  
class ShangHaiSaurceFactory:public SaurceFactory  
\{  
  
  
Saurce\* createSauce()  
\{  
return new ShangHaiRoastDuckSaurce;  
  
  
\}  
  
  
\};  
\#endif**

**RoastDuck.h**

**\#ifndef RoastDuck\_H  
\#define RoastDuck\_H  
\#include<iostream>  
using std::endl;  
using std::cout;  
class RoastDuck  
\{  
public:  
virtual RoastDuck\* prepare()=0;  
virtual void roast()=0;  
virtual void cut()=0;  
  
  
  
  
  
\};  
  
  
\#endif**

**ShangHaiRoastDuck.h**

**\#ifndef ShangHaiRoastDuck\_H  
\#define ShangHaiRoastDuck\_H  
\#include"RoastDuck.h"  
\#include"ShangHaiSaurceFactory.h"  
\#include"ShangHaiRoastDuckSaurce.h"  
\#include"SaurceFactory.h"  
\#include<iostream>  
using std::cout;  
using std::endl;  
  
  
class ShangHaiRoastDuck:public RoastDuck  
\{  
  
  
private:  
SaurceFactory\* saurceFactory;  
Saurce\* saurce;  
  
  
public:  
RoastDuck\* prepare()  
\{  
saurceFactory=new ShangHaiSaurceFactory;  
saurce=new ShangHaiRoastDuckSaurce;  
saurce->description();  
return this;  
  
  
\}  
void roast()  
\{  
cout<<"ShangHai RostDuck roast Method"<<endl;  
\}  
void cut()  
\{  
cout<<"ShangHai RostDuck cut Method"<<endl;  
\}  
  
  
  
  
\};  
  
  
\#endif**

**BeijinRoastDuck.h**

**\#ifndef BeijinRoastDuck\_H  
\#define BeijinRoastDuck\_H  
\#include"RoastDuck.h"  
\#include"BeijinSaurceFactory.h"  
\#include"BeijinRoastDuckSaurce.h"  
\#include"SaurceFactory.h"  
\#include<iostream>  
using std::cout;  
using std::endl;  
class BeijinRoastDuck:public RoastDuck  
\{  
  
  
private:  
SaurceFactory\* saurceFactory;  
Saurce\* saurce;  
  
  
public:  
RoastDuck\* prepare()  
\{  
saurceFactory=new BeijinSaurceFactory;  
saurce=new BeijinRoastDuckSaurce;  
saurce->description();  
return this;  
\}  
void roast()  
\{  
cout<<"Beijin RostDuck roast Method"<<endl;  
\}  
void cut()  
\{  
cout<<"Beijin RostDuck cut Method"<<endl;  
\}  
  
  
  
  
\};  
  
  
\#endif**

**Store.h**

**\#ifndef Store\_H  
\#define Store\_H  
\#include"RoastDuck.h"  
class Store  
\{  
  
  
public:  
virtual RoastDuck\* create()=0;  
  
  
  
  
\};  
  
  
\#endif**

**ShangHaiRoastDuckStore.h**

**\#ifndef ShangHaiRoastDuckStore\_H  
\#define ShangHaiRoastDuckStore\_H  
\#include"Store.h"  
\#include"RoastDuck.h"  
\#include"ShangHaiRoastDuck.h"  
class ShangHaiRoastDuckStore:public Store  
\{  
private:  
RoastDuck \*roastDuck;  
RoastDuck\* create()  
\{  
roastDuck=new ShangHaiRoastDuck;  
roastDuck->prepare();  
roastDuck->roast();  
roastDuck->cut();  
return roastDuck;  
  
  
\}  
  
  
\};  
  
  
\#endif**

**BeijinRoastDuckStore.h**

**\#ifndef BeijinRoastDuckStore\_H  
\#define BeijinRoastDuckStore\_H  
\#include"Store.h"  
\#include"RoastDuck.h"  
\#include"BeijinRoastDuck.h"  
class BeijinRoastDuckStore:public Store  
\{  
private:  
RoastDuck \*roastDuck;  
RoastDuck\* create()  
\{  
roastDuck=new BeijinRoastDuck;  
roastDuck->prepare();  
roastDuck->roast();  
roastDuck->cut();  
return roastDuck;  
\}  
  
  
\};  
  
  
\#endif**

**main.cpp**

**\#include<iostream>  
\#include"ShangHaiRoastDuckStore.h"  
\#include"BeijinRoastDuckStore.h"  
\#include"RoastDuck.h"  
\#include"Store.h"  
int main(void)  
\{  
  
  
Store \*store=new ShangHaiRoastDuckStore;  
store->create();  
cout<<endl<<endl;  
store=new BeijinRoastDuckStore;  
store->create();  
  
  
  
  
return 0;  
\}**

**运行结果：**

![20130612084903468][]

[Link 1]: http://http://blog.csdn.net/piniheaven/article/details/9075083
[20130612084903468]: /images/20220122/5f91c6aec70b4576a12605bc6595f0e1.png