Template Method （C++實現）

// Template Method.cpp : 定義控制台應用程式的進入點。
//

#include "stdafx.h"
#include <iostream>

using namespace std;

class AbstractClass
{
public:
 AbstractClass(){}
 virtual ~AbstractClass(){}

 // 這個函數中定義了演算法的輪廓
 void TemplateMethod()
 {
  PrimitiveOperation1();
     PrimitiveOperation2();
 }

protected:
 // 純虛函數,由衍生類別實現之
 virtual void PrimitiveOperation1() = 0;
 virtual void PrimitiveOperation2() = 0;
};

// 繼承自AbstractClass,實現演算法
class ConcreateClass: public AbstractClass
{
public:
 ConcreateClass(){}
 virtual ~ConcreateClass(){}

protected:
 virtual void PrimitiveOperation1()
 {
  cout << "PrimitiveOperation1 by ConcreateClass/n";
 }
 virtual void PrimitiveOperation2()
 {
  cout << "PrimitiveOperation2 by ConcreateClass/n";
 }
};

 

int _tmain(int argc, _TCHAR* argv[])
{
 AbstractClass* pConcreateClass = new ConcreateClass;
 pConcreateClass->TemplateMethod();

 delete pConcreateClass;

 return 0;
}