#pragma once#include <string>
#include <iostream>
using namespace std;
class AbstractPiece
{
public:AbstractPiece(){}~AbstractPiece(){}virtual string GetColor() = 0;virtual void Display(CCoordinates *pCoodinates) = 0;
};

class WritePiece : public AbstractPiece
{
public:WritePiece(){cout << "WritePiece Construct" << endl;}~WritePiece(){cout << "WritePiece Deconstruct" << endl;}string GetColor(){return "white";}void Display(CCoordinates *pCoodinates){cout << "棋子颜色："<< GetColor() << "," << "棋子坐标:" << pCoodinates->m_x << "," << pCoodinates->m_y << endl;}
};

class BlackPiece : public AbstractPiece
{
public:BlackPiece(){cout << "BlackPiece Construct" << endl;}~BlackPiece(){cout << "BlackPiece Deconstruct" << endl;}string GetColor(){return "black";}void Display(CCoordinates *pCoodinates){cout << "棋子颜色："<< GetColor() << "," << "棋子坐标:" << pCoodinates->m_x << "," << pCoodinates->m_y << endl;}
};

class CCoordinates
{
public:CCoordinates(int x, int y){m_x = x;m_y = y;}~CCoordinates(){}public:int m_x;int m_y;
};

#pragma once#include "flyweight.h"
#include <map>
using namespace std;class CPieceFactor
{
private:CPieceFactor();~CPieceFactor();public://static CPieceFactor* GetPieceFactorInstance();static AbstractPiece* CreatePiece( string strColor );
private:typedef map<string, AbstractPiece*> PIECEMAP;static PIECEMAP m_PieceVect;static CPieceFactor *m_pPieceFactor;
};

#include "PieceFactor.h"// 饥饿模式的单例模式
CPieceFactor::PIECEMAP CPieceFactor::m_PieceVect;
CPieceFactor * CPieceFactor::m_pPieceFactor = new CPieceFactor();
CPieceFactor::CPieceFactor()
{AbstractPiece *pWrite = new WritePiece();m_PieceVect.insert(make_pair<string, AbstractPiece*>("write", pWrite));AbstractPiece *pBlack = new BlackPiece();m_PieceVect.insert(make_pair<string, AbstractPiece*>("black", pBlack));
}CPieceFactor::~CPieceFactor()
{PIECEMAP::iterator iter;for (iter = m_PieceVect.begin(); iter != m_PieceVect.end(); iter ++){delete iter->second;}
}AbstractPiece* CPieceFactor::CreatePiece( string strColor )
{return m_PieceVect[strColor];
}

#include "stdio.h"#include "PieceFactor.h"void main()
{// 通过享元工厂获取3颗黑子AbstractPiece *pPiece1 = CPieceFactor::CreatePiece("black");AbstractPiece *pPiece2 = CPieceFactor::CreatePiece("black");AbstractPiece *pPiece3 = CPieceFactor::CreatePiece("black");string strCmp;strCmp = pPiece1 == pPiece2 ? "相同":"不相同";cout << "判断两颗黑子是否相同：" << strCmp.c_str() <<endl;// 通过享元工厂获取2颗白子AbstractPiece *pPiece4 = CPieceFactor::CreatePiece("write");AbstractPiece *pPiece5 = CPieceFactor::CreatePiece("write");strCmp = pPiece1 == pPiece2 ? "相同":"不相同";cout << "判断两颗白字是否相同：" << strCmp.c_str() <<endl;// 显示棋子pPiece1->Display(new CCoordinates(1,2));pPiece2->Display(new CCoordinates(3, 4));pPiece3->Display(new CCoordinates(1, 3));pPiece4->Display(new CCoordinates(2, 5));pPiece5->Display(new CCoordinates(2, 4));return;
}