(本博客旨在個人總結回顧)
1、詳情:
抽象工廠模式:提供一個創建一系列相關或相互依賴對象的接口,而無需指定它們具體的類。
角色:
抽象工廠角色:這是抽象工廠模式的核心,它與應用程序無關。是具體工廠角色必須實現或繼承的的父類。
具體工廠角色:包含具體業務邏輯有關的代碼。由應用程序調用來創建對應的具體產品對象。它由具體的類來實現。
抽象產品角色:具體產品實現或繼承的父類。
具體產品角色:具體工廠角色所創建的對象爲此角色的實例。
優點:①便於交換產品系列;②讓具體的創建實例過程與客戶端分離。
缺點:新增產品族比較複雜,需要改變抽象工廠類,添加增產品類的對應具體工廠類,抽象產品類,具體產品類。
目的:客戶端提供一個統一接口,可以創建多個複雜產品族中的產品對象。
2、UML類圖:
3、代碼實現:
Mouse.h(抽象產品類1)
#pragma once
class Mouse
{
public:
Mouse();
virtual ~Mouse();
public:
virtual void showProperty1() = 0;
};
Mouse.cpp
#include "stdafx.h"
#include "Mouse.h"
Mouse::Mouse()
{
}
Mouse::~Mouse()
{
}
DellMouse.h(具體產品1)
#pragma once
#include "Mouse.h"
class DellMouse :
public Mouse
{
public:
DellMouse();
~DellMouse();
public:
void showProperty1();
};
DellMouse.cpp
#include "stdafx.h"
#include "DellMouse.h"
DellMouse::DellMouse()
{
}
DellMouse::~DellMouse()
{
}
void DellMouse::showProperty1()
{
cout << "This is the Dell Mouse" << endl;
}
HPMouse.h(具體產品2)
#pragma once
#include "Mouse.h"
class HPMouse :
public Mouse
{
public:
HPMouse();
~HPMouse();
public:
void showProperty1();
};
HPMouse.cpp
#include "stdafx.h"
#include "HPMouse.h"
HPMouse::HPMouse()
{
}
HPMouse::~HPMouse()
{
}
void HPMouse::showProperty1()
{
cout << "This is HP Mouse!" << endl;
}
Keyboard.h(抽象產品2)
#pragma once
class Keyboard
{
public:
Keyboard();
virtual ~Keyboard();
public:
virtual void showProperty2()=0;
};
Keyboard.cpp
#include "stdafx.h"
#include "Keyboard.h"
Keyboard::Keyboard()
{
}
Keyboard::~Keyboard()
{
}
DellKeyboard.h(具體產品1)
#pragma once
#include "Keyboard.h"
class DellKeyboard :
public Keyboard
{
public:
DellKeyboard();
~DellKeyboard();
public:
void showProperty2();
};
DellKeyboard.cpp
#include "stdafx.h"
#include "DellKeyboard.h"
DellKeyboard::DellKeyboard()
{
}
DellKeyboard::~DellKeyboard()
{
}
void DellKeyboard::showProperty2()
{
cout << "This is Dell Keyboard!" << endl;
}
HPKeyboard.h(具體產品2)
#pragma once
#include "Keyboard.h"
class HPKeyboard :
public Keyboard
{
public:
HPKeyboard();
~HPKeyboard();
public:
void showProperty2();
};
HPKeyboard.cpp
#include "stdafx.h"
#include "HPKeyboard.h"
HPKeyboard::HPKeyboard()
{
}
HPKeyboard::~HPKeyboard()
{
}
void HPKeyboard::showProperty2()
{
cout << "This is HP Keyboard!" << endl;
}
AbstractFactory.h(抽象工廠類)
#pragma once
#include "Mouse.h"
#include "Keyboard.h"
class AbstractFactory
{
public:
AbstractFactory();
~AbstractFactory();
public:
virtual Mouse* getMouse(ProductType eProductType) = 0;
virtual Keyboard* getKeyboard(ProductType eProductType) = 0;
};
AbstractFactory.cpp
#include "stdafx.h"
#include "AbstractFactory.h"
AbstractFactory::AbstractFactory()
{
}
AbstractFactory::~AbstractFactory()
{
}
MouseFactory.h(具體工廠類1)
#pragma once
#include "AbstractFactory.h"
class MouseFactory :
public AbstractFactory
{
public:
MouseFactory();
virtual ~MouseFactory();
public:
Mouse* getMouse(ProductType eProductType);
Keyboard* getKeyboard(ProductType eProductType);
};
MouseFactory.cpp
#include "stdafx.h"
#include "MouseFactory.h"
#include "DellMouse.h"
#include "HPMouse.h"
MouseFactory::MouseFactory()
{
}
MouseFactory::~MouseFactory()
{
}
Mouse* MouseFactory::getMouse(ProductType eProductType)
{
switch (eProductType)
{
case PT_DELL:
return new DellMouse();
break;
case PT_HP:
return new HPMouse();
break;
default:
return NULL;
break;
}
}
Keyboard* MouseFactory::getKeyboard(ProductType eProductType)
{
return NULL;
}
KeyboardFactory.h(具體工廠類2)
#pragma once
#include "AbstractFactory.h"
class KeyboardFactory :
public AbstractFactory
{
public:
KeyboardFactory();
~KeyboardFactory();
public:
Mouse* getMouse(ProductType eProductType);
Keyboard* getKeyboard(ProductType eProductType);
};
KeyboardFactory.cpp
#include "stdafx.h"
#include "KeyboardFactory.h"
#include "DellKeyboard.h"
#include "HPKeyboard.h"
KeyboardFactory::KeyboardFactory()
{
}
KeyboardFactory::~KeyboardFactory()
{
}
Mouse* KeyboardFactory::getMouse(ProductType eProductType)
{
return NULL;
}
Keyboard* KeyboardFactory::getKeyboard(ProductType eProductType)
{
switch (eProductType)
{
case PT_DELL:
return new DellKeyboard();
break;
case PT_HP:
return new HPKeyboard();
break;
default:
break;
return NULL;
}
}
stdafx.h(預編譯頭)
// stdafx.h : 標準系統包含文件的包含文件,
// 或是經常使用但不常更改的
// 特定於項目的包含文件
//
#pragma once
#include "targetver.h"
#include <stdio.h>
#include <tchar.h>
#include <iostream>
using namespace std;
enum ProductType{ PT_DELL, PT_HP };
// TODO: 在此處引用程序需要的其他頭文件
調用代碼:
// AbstractFactoryPatternMemo.cpp : 定義控制檯應用程序的入口點。
//
#include "stdafx.h"
#include "AbstractFactory.h"
#include "MouseFactory.h"
#include "KeyboardFactory.h"
#include "Mouse.h"
#include "Keyboard.h"
#include "FactoryProducer.h"
int _tmain(int argc, _TCHAR* argv[])
{
AbstractFactory* pAbstractFactory = new MouseFactory();
Mouse* pMouse = pAbstractFactory->getMouse(PT_DELL);
pMouse->showProperty1();
pMouse = pAbstractFactory->getMouse(PT_HP);
pMouse->showProperty1();
pAbstractFactory = new KeyboardFactory();
Keyboard* pKeyboard = pAbstractFactory->getKeyboard(PT_DELL);
pKeyboard->showProperty2();
pKeyboard = pAbstractFactory->getKeyboard(PT_HP);
pKeyboard->showProperty2();
system("pause");
return 0;
}
輸出結果: