c++实现简单工厂完整源代码

c++实现简单工厂完整源代码

• ​​SimpleFactory.hpp​​
• ​​main.cpp​​

SimpleFactory.hpp

#ifndef __SIMPLE_FACTORY__
#define __SIMPLE_FACTORY__

#include 
#include 
using namespace std;

//抽象产品类AbstractProduct
class AbstractSportProduct
{
public:
  AbstractSportProduct(){

  }
  virtual ~AbstractSportProduct(){};
  //抽象方法：
  // virtual void printName(){};
  virtual void printName() = 0;
  // virtual void play(){};
  virtual void play() = 0;
};

//具体产品类Basketball
class Basketball :public AbstractSportProduct
{
public:
  Basketball(){
    printName();
    play();
  }
  ~Basketball()
  {

  }
  //具体实现方法
  void printName(){
    printf("Jungle get Basketball\n");
  }
  void play(){
    printf("Jungle play Basketball\n");
  }
};

//具体产品类Football
class Football :public AbstractSportProduct
{
public:
  Football(){
    printName();
    play();
  }
  ~Football()
  {

  }
  //具体实现方法
  void printName(){
    printf("Jungle get Football\n");
  }
  void play(){
    printf("Jungle play Football\n");
  }
};

//具体产品类Volleyball
class Volleyball :public AbstractSportProduct
{
public:
  Volleyball(){
    printName();
    play();
  }
  ~Volleyball()
  {
    
  }
  //具体实现方法
  void printName(){
    printf("Jungle get Volleyball\n");
  }
  void play(){
    printf("Jungle play Volleyball\n");
  }
};

class Factory
{
public:
  std::shared_ptr<AbstractSportProduct> getSportProduct(string productName)
  {
    std::shared_ptr<AbstractSportProduct> pro;
    if (productName == "Basketball"){
      pro = std::shared_ptr<AbstractSportProduct>(new Basketball());
    }
    else if (productName == "Football"){
      pro = std::shared_ptr<AbstractSportProduct>(new Football());
    }
    else if (productName == "Volleyball"){
      pro = std::shared_ptr<AbstractSportProduct>(new Volleyball());
    }
    return pro;
  }
};


#endif //__SIMPLE_FACTORY__

main.cpp

#include 
#include 
#include "SimpleFactory.hpp"

int main()
{
  printf("简单工厂模式\n");
  
  //定义工厂类对象
  std::shared_ptr<Factory> fac = std::make_shared<Factory>();
  // std::shared_ptr product = std::shared_ptr(fac->getSportProduct("Basketball"));
  std::shared_ptr<AbstractSportProduct> product = fac->getSportProduct("Basketball");
  
  fac = std::make_shared<Factory>();
  product = fac->getSportProduct("Football");
  // product = std::shared_ptr(fac->getSportProduct("Football"));

  fac = std::make_shared<Factory>();
  product = fac->getSportProduct("Volleyball");  
  // product = std::shared_ptr(fac->getSportProduct("Volleyball")); 
#ifdef win32
  system("pause");
#endif
  return 0;
}