IT@民工

摘要： // Visitor.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <iostream>#include <string>using namespace std;class Visitor;class Element{public:virtual ~Element(){}virtual void Accept(Visitor &rVisitor) = 0;protected:Element(){}};class ConcreateElementA: public Element{publi 阅读全文

摘要： // Template Method.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <iostream>using namespace std;class AbstractClass{public:AbstractClass(){}virtual ~AbstractClass(){}// 这个函数中定义了算法的轮廓void TemplateMethod(){PrimitiveOperation1(); PrimitiveOperation2();}protected:// 纯虚函数,由派生类实现之virtua 阅读全文

摘要： // Strategy.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <iostream>using namespace std;class Strategy;class Context{public:Context(Strategy *pStrategy=NULL):m_pStrategy(pStrategy){}~Context(){}void ContextInterface();void setStrategy(Strategy* s){m_pStrategy=s;}private:Strategy* 阅读全文

摘要： // State.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <iostream>using namespace std;class State;class Context{public:Context(State* pState);~Context();void Request();void ChangeState(State *pState);private:State *m_pState;};class State{public:virtual ~State(){}virtual void Handl 阅读全文

摘要： // Observer.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <iostream>#include <list>#include <algorithm>using namespace std;typedef int STATE;class Observer;class Subject{public:Subject() : m_nSubjectState(-1){}virtual ~Subject();void Notify();void Attach(Observer *pOb 阅读全文

摘要： // Memento.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <iostream>#include <string>using namespace std;typedef string STATE;class Memento;class Originator{public:Originator(){}Originator(const STATE& st):m_state(st){}virtual ~Originator(){}Memento* CreateMemento();void 阅读全文

摘要： 好文章推荐： http://blog.csdn.net/roynee/archive/2009/10/05/4634197.aspx下面是简单实现：(转载）class Mediator;class Colleage{public:virtual ~Colleage(){};virtual void Action()=0;virtual void SetState(const string& sd)=0;virtual string GetState()=0;protected:Colleage(){};Colleage(Mediator* mdt){this->m_mdt=mdt 阅读全文

摘要： // Iterator.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <iostream>using namespace std;typedef int DATA;class Iterator;class Aggregate{public:Aggregate(){}virtual ~Aggregate(){}virtual Iterator* CreateIterator()=0;virtual int GetSize()=0;virtual DATA GetItem(int index)=0;};class 阅读全文

摘要： http://blog.csdn.net/roynee/archive/2009/09/30/4621312.aspx 阅读全文

摘要： // Command.cpp : 定义控制台应用程序的入口点。///*该实现为最简单方式。*/#include "stdafx.h"#include <iostream>using namespace std;class Command{public :Command(){}virtual~ Command(){}virtual void Execute()=0;};class Receiver{public:Receiver(){}virtual ~Receiver(){} void Action() { cout<<"Do execut 阅读全文