设计模式-C++版本-工厂模式-简单工厂-抽象工厂

Makefile

Code

TARGET = factory
CC=g++
DIR = $(shell pwd)
DIR_OBJ = $(DIR)/obj
DIR_SRC = $(DIR)/src
DIR_INC = $(DIR)/inc
SRC = $(wildcard $(DIR_SRC)/*.cpp)
SRC_NO_DIR = $(notdir $(SRC))
SRC_OBJ = $(patsubst %cpp, %o, $(SRC_NO_DIR))
INC = -I$(DIR_INC) \
FLAG = -g
all:$(TARGET) 
	@echo "=======  all make successs  ======="
$(TARGET):$(addprefix $(DIR_OBJ)/, $(SRC_OBJ))
	$(CC) -o $@ $^ $(INC) $(FLAG)
	@echo "======= Linux make successs ======="
$(DIR_OBJ)/%.o:$(DIR_SRC)/%.cpp
	@mkdir -p $(DIR_OBJ)
	$(CC) -c $< -o $@ $(INC) $(FLAG)
.PHONY:clean
clean:
	-rm -rf $(DIR_OBJ)
	-rm $(TARGET) 
	@echo "======= make clean success ======="
 

build.sh

Code

#!/bin/sh
make clean
make

main

Code

C++版本

简单工厂

simplefactory.cpp

Code

#include 
#include "SimpleShoes.h"
using namespace std;
// 简单工厂模式
void main_simple_factory(void)
{
	Factory factory;
	ShoesBase * pNK = factory.creatShoes(NK);
	pNK->show();
	ShoesBase * pLN = factory.creatShoes(LN);
	pLN->show();
	delete pNK;
	delete pLN;
}

simpleshoes.h

Code

#ifndef __SIMPLESHOES_H__
#define __SIMPLESHOES_H__
using namespace std;
enum PRODUCTTYPE {NK, LN};
// 抽象类-基类 鞋
class ShoesBase
{
    public:
        virtual void show() = 0;
        virtual ~ShoesBase() {};
};
// 具体产品类-耐克鞋
class NikeShoes:public ShoesBase
{
    public:
        void show() { cout << "Nike shoes" << endl; }
};
// 具体产品类-李宁鞋
class LiNingShoes:public ShoesBase
{
    public:
        void show() { cout << "LiNingShoes shoes" << endl; }
};
// 抽象类-基类 工厂
class Factory
{
    public:
        ShoesBase * creatShoes(PRODUCTTYPE type)
        {
            switch (type)
            {
            case NK:
                cout << "new NK shoes" << endl;
				return new NikeShoes();
                break;
            case LN:
                cout << "new LN shoes" << endl;
				return new LiNingShoes();
                break;
            default:
                break;
            }
        }
};
// 函数声明
void main_simple_factory(void);
#endif

普通工厂

factory.cpp

Code

#include 
#include "Shoes.h"
// 工厂模式
void main_factory(void)
{
	NBLFactory factory1;
	NBLShoes * pShoes1 = factory1.creatShoes();
	pShoes1->show();
	HXEKFactory factory2;
	HXEKShoes * pShoes2 = factory2.creatShoes();
	pShoes2->show();
	delete pShoes2;
	delete pShoes1;
}

shoes.h

Code

#ifndef __SHOES_H__
#define __SHOES_H__
using namespace std;
enum TYPE
{
	NBL,
	HXEK
};
// 抽象类-基类-鞋
class BaseShoes_F
{
	public:
		virtual void show() = 0;
		virtual ~BaseShoes_F() {};
};
// 具体类-鞋
class NBLShoes:public BaseShoes_F
{
	public:
		void show()
		{
			cout << "NBLShoes shoes" << endl;
		}
};
class HXEKShoes:public BaseShoes_F
{
	public:
		void show()
		{
			cout << "HXEKShoes shoes" << endl;
		}
};
// 抽象类-基类-工厂
class BaseFactory_F
{
	public:
		virtual BaseShoes_F * creatShoes() = 0;
		virtual ~BaseFactory_F() {};
};
// 具体类-工厂
class NBLFactory:public BaseFactory_F
{
	public:
		NBLShoes * creatShoes()
		{
			cout << "NBLFactory make shoes" << endl;
			return new NBLShoes();
		}
};
class HXEKFactory:public BaseFactory_F
{
	public:
		HXEKShoes * creatShoes()
		{
			cout << "HXEKFactory make shoes" << endl;
			return new HXEKShoes();
		}
};
// 函数声明
void main_factory(void);
#endif

抽象工厂

abstractfactory.cpp

Code

#include 
#include "AbstractShoes.h"
// 抽象工厂模式
void main_abstract_factory(void)
{
	AAA_Factory factory1;
	BBB_Factory factory2;
	AbstractBaseShoes * pShoes1 = NULL;
	AbstractBaseTooth * pThooth1 = NULL;
	pShoes1 = factory1.creatShoes();
	pThooth1 = factory1.creatTooth();
	AbstractBaseShoes * pShoes2 = NULL;
	AbstractBaseTooth * pThooth2 = NULL;
	pShoes2 = factory2.creatShoes();
	pThooth2 = factory2.creatTooth();
	delete pShoes1;
	delete pShoes2;
	delete pThooth1;
	delete pThooth2;
}

abstractshoes.h

Code

#ifndef __ABSTRACTSHOES_H__
#define __ABSTRACTSHOES_H__
using namespace std;
enum SHOES_TYPE
{
	AAA_SHOES_TYPE,
	BBB_SHOES_TYPE
};
enum TOOTH_TYPE
{
	AAA_TOOTH_TYPE,
	BBB_TOOTH_TYPE
};
// 抽象类-鞋
class AbstractBaseShoes
{
	public:
		virtual ~AbstractBaseShoes() {};
		virtual void show() = 0;
};
class AAA_Shoes:public AbstractBaseShoes
{
	public:
		void show()
		{
			cout << "AAA_Shoes show" << endl;
		}
};
class BBB_Shoes:public AbstractBaseShoes
{
	public:
		void show()
		{
			cout << "BBB_Shoes show" << endl;
		}
};
// 抽象类-牙刷
class AbstractBaseTooth
{
	public:
		virtual ~AbstractBaseTooth() {};
		virtual void show() = 0;
};
class AAA_Tooth:public AbstractBaseTooth
{
	public:
		void show()
		{
			cout << "AAA_Tooth show" << endl;
		}
};
class BBB_Tooth:public AbstractBaseTooth
{
	public:
		void show()
		{
			cout << "BBB_Tooth show" << endl;
		}
};
// 抽象类-工厂
class AbstractBassFactory
{
	public:
		virtual AbstractBaseShoes * creatShoes() = 0;
		virtual AbstractBaseTooth * creatTooth() = 0;
};
class AAA_Factory:public AbstractBassFactory
{
	public:
		AbstractBaseShoes * creatShoes()
		{
			cout << "AAA_Factory make Shoes" << endl;
			return new AAA_Shoes();	
		}
		AbstractBaseTooth * creatTooth()
		{
			cout << "AAA_Factory make Tooth" << endl;
			return new AAA_Tooth();
		}
};
class BBB_Factory:public AbstractBassFactory
{
	public:
		AbstractBaseShoes * creatShoes()
		{
			cout << "BBB_Factory make Shoes" << endl;
			return new BBB_Shoes();	
		}
		AbstractBaseTooth * creatTooth()
		{
			cout << "BBB_Factory make Tooth" << endl;
			return new BBB_Tooth();
		}
};
// 函数声明
void main_abstract_factory(void);
#endif

打印运行结果

参考链接

• 【三种工厂模式的C++实现】https://blog.csdn.net/silangquan/article/details/20492293
• 【初版】https://zhuanlan.zhihu.com/p/83535678
• 【深入版】https://zhuanlan.zhihu.com/p/83537599
• 【C++容器实现】https://blog.csdn.net/m0_46308273/article/details/117126962