Factory模式

作用：定义一个用于创建对象的的接口，让子类决定实例化哪一个类。Factory Method使一个类的实例化延迟到其子类。

（1）Product

View Code

 1 // Product.h: interface for the CProduct class.
 2 //
 3 //////////////////////////////////////////////////////////////////////
 4 
 5 #if !defined(AFX_PRODUCT_H__C6FF5C69_D54B_4447_AFBE_36B336CF7E92__INCLUDED_)
 6 #define AFX_PRODUCT_H__C6FF5C69_D54B_4447_AFBE_36B336CF7E92__INCLUDED_
 7 
 8 #if _MSC_VER > 1000
 9 #pragma once
10 #endif // _MSC_VER > 1000
11 
12 class CProduct  
13 {
14 public:
15     CProduct();
16     virtual ~CProduct();
17 
18 };
19 
20 #endif // !defined(AFX_PRODUCT_H__C6FF5C69_D54B_4447_AFBE_36B336CF7E92__INCLUDED_)

View Code

 1 // Product.cpp: implementation of the CProduct class.
 2 //
 3 //////////////////////////////////////////////////////////////////////
 4 
 5 #include "stdafx.h"
 6 #include "Product.h"
 7 
 8 //////////////////////////////////////////////////////////////////////
 9 // Construction/Destruction
10 //////////////////////////////////////////////////////////////////////
11 
12 CProduct::CProduct()
13 {
14 
15 }
16 
17 CProduct::~CProduct()
18 {
19 
20 }

(2)ConcreateProduct

View Code

 1 // ConcreateProduct.h: interface for the CConcreateProduct class.
 2 //
 3 //////////////////////////////////////////////////////////////////////
 4 
 5 #if !defined(AFX_CONCREATEPRODUCT_H__1EA01570_5934_4482_8F64_FB28887E8C8C__INCLUDED_)
 6 #define AFX_CONCREATEPRODUCT_H__1EA01570_5934_4482_8F64_FB28887E8C8C__INCLUDED_
 7 
 8 #if _MSC_VER > 1000
 9 #pragma once
10 #endif // _MSC_VER > 1000
11 
12 #include "Product.h"
13 
14 class CConcreateProduct : public CProduct  
15 {
16 public:
17     CConcreateProduct();
18     virtual ~CConcreateProduct();
19 
20 };
21 
22 #endif // !defined(AFX_CONCREATEPRODUCT_H__1EA01570_5934_4482_8F64_FB28887E8C8C__INCLUDED_)

View Code

 1 // ConcreateProduct.cpp: implementation of the CConcreateProduct class.
 2 //
 3 //////////////////////////////////////////////////////////////////////
 4 
 5 #include "stdafx.h"
 6 #include "ConcreateProduct.h"
 7 
 8 //////////////////////////////////////////////////////////////////////
 9 // Construction/Destruction
10 //////////////////////////////////////////////////////////////////////
11 
12 CConcreateProduct::CConcreateProduct()
13 {
14     cout<<"CConcreateProduct::CConcreateProduct()"<<endl;
15 }
16 
17 CConcreateProduct::~CConcreateProduct()
18 {
19     cout<<"CConcreateProduct::~CConcreateProduct()"<<endl;
20 }

(3)Creator

View Code

 1 // Creator.h: interface for the CCreator class.
 2 //
 3 //////////////////////////////////////////////////////////////////////
 4 
 5 #if !defined(AFX_CREATOR_H__DD7DDCD0_5A15_48F3_A119_A6849228A7F3__INCLUDED_)
 6 #define AFX_CREATOR_H__DD7DDCD0_5A15_48F3_A119_A6849228A7F3__INCLUDED_
 7 
 8 #if _MSC_VER > 1000
 9 #pragma once
10 #endif // _MSC_VER > 1000
11 
12 #include "Product.h"
13 
14 class CCreator  
15 {
16 public:
17     CCreator();
18      virtual ~CCreator();
19 
20     void AnOperation();
21 
22 protected:
23     virtual CProduct * FactoryMethod() = 0;
24 
25 };
26 
27 #endif // !defined(AFX_CREATOR_H__DD7DDCD0_5A15_48F3_A119_A6849228A7F3__INCLUDED_)

View Code

 1 // Creator.cpp: implementation of the CCreator class.
 2 //
 3 //////////////////////////////////////////////////////////////////////
 4 
 5 #include "stdafx.h"
 6 #include "Creator.h"
 7 
 8 //////////////////////////////////////////////////////////////////////
 9 // Construction/Destruction
10 //////////////////////////////////////////////////////////////////////
11 
12 CCreator::CCreator()
13 {
14 
15 }
16 
17 CCreator::~CCreator()
18 {
19 
20 }
21 
22 void CCreator::AnOperation()
23 {
24     CProduct *p = FactoryMethod();
25     cout<<"an operation of pruduct"<<endl;
26 }

(4)ConCreateCreator

View Code

 1 // ConcreateCreator.h: interface for the CConcreateCreator class.
 2 //
 3 //////////////////////////////////////////////////////////////////////
 4 
 5 #if !defined(AFX_CONCREATECREATOR_H__C07EA831_1FCE_479B_B729_66CFB626AB30__INCLUDED_)
 6 #define AFX_CONCREATECREATOR_H__C07EA831_1FCE_479B_B729_66CFB626AB30__INCLUDED_
 7 
 8 #if _MSC_VER > 1000
 9 #pragma once
10 #endif // _MSC_VER > 1000
11 
12 #include "Creator.h"
13 
14 class CConcreateCreator : public CCreator  
15 {
16 public:
17     CConcreateCreator();
18     virtual ~CConcreateCreator();
19 
20     void AnOperation();
21     
22 protected:
23     virtual CProduct * FactoryMethod();
24 
25 };
26 
27 #endif // !defined(AFX_CONCREATECREATOR_H__C07EA831_1FCE_479B_B729_66CFB626AB30__INCLUDED_)

View Code

 1 // ConcreateCreator.cpp: implementation of the CConcreateCreator class.
 2 //
 3 //////////////////////////////////////////////////////////////////////
 4 
 5 #include "stdafx.h"
 6 #include "ConcreateCreator.h"
 7 #include "ConcreateProduct.h"
 8 
 9 //////////////////////////////////////////////////////////////////////
10 // Construction/Destruction
11 //////////////////////////////////////////////////////////////////////
12 
13 CConcreateCreator::CConcreateCreator()
14 {
15     cout<<"CConcreateCreator::CConcreateCreator()"<<endl;
16 }
17 
18 CConcreateCreator::~CConcreateCreator()
19 {
20     cout<<"CConcreateCreator::~CConcreateCreator()"<<endl;
21 }
22 
23 CProduct * CConcreateCreator::FactoryMethod()
24 {
25     return new CConcreateProduct();
26 }

(5)Factory

View Code

 1 // Factory.cpp : Defines the entry point for the console application.
 2 //
 3 
 4 #include "stdafx.h"
 5 #include "ConcreateCreator.h"
 6 #include "ConcreateProduct.h"
 7 
 8 int main(int argc, char* argv[])
 9 {
10     CCreator *pTemp = new CConcreateCreator();
11 
12     pTemp->AnOperation();
13 
14     delete pTemp;
15 
16     return 0;
17 }

posted on 2013-04-14 22:16 Riordon 阅读(136) 评论(0) 收藏举报

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