1 Factory.h 2 #ifndef _FACTORY_H_ 3 #define _FACTORY_H_ 4  5 class Product ; 6  7 class Factory 8 { 9 public:10     virtual ~Factory() = 0 ;11 12     virtual  Product* CreatProduct() = 0;13 14 protected:15     Factory();16 private:17 };18 19 class ConcreteFactory : public Factory 20 {21 public:22     ~ConcreteFactory();23     ConcreteFactory();24     Product* CreatProduct();25 protected:26 private:27 };28 29 #endif

1 Factory.cpp 2 #include "Factory.h" 3 #include "Product.h" 4  5 #include 
     
       6 using namespace std; 7  8 Factory::Factory() 9 {10 11 }12 13 Factory::~Factory()14 {15 16 }17 18 ConcreteFactory::ConcreteFactory()19 {20     cout<<"ConcreteFactory....."<
     

1 Product.h 2 #ifndef  _PRODUCT_H_ 3 #define  _PRODUCT_H_ 4 class Product 5 { 6 public: 7     virtual ~Product()=0; 8  9 protected:10     Product();11 private:12 };13 14 15 class ConcreteProduct : public Product16 {17 public:18     virtual ~ConcreteProduct();19     ConcreteProduct();20 protected:21 private:22 };23 24 25 #endif

1 Product.cpp 2 #include "Product.h" 3 #include 
     
       4 using namespace std; 5  6 Product::Product() 7 { 8  9 }10 11 Product::~Product()12 {13 14 }15 16 ConcreteProduct::ConcreteProduct()17 {18     cout<<"ConcreteProduct"<
     

1 main.cpp 2 #include "Factory.h" 3 #include "Product.h" 4  5 #include 
     
       6 using namespace std; 7  8 int main() 9 {10     Factory *fac  = new ConcreteFactory() ;11 12     Product *p = fac->CreatProduct();13     getchar();14     return 0 ;15 }