Qt C++ Facade模式

facade.h

#pragma once


#include <QDebug>


class CFileSystem
{
public:
virtual void operate() = 0;
};


class CZipSystem : public CFileSystem
{
public:
CZipSystem(){}
void operate(){qDebug() <<"add a zip system.";}
};


class CKillSystem : public CFileSystem
{
public:
CKillSystem(){};
virtual void operate(){qDebug() <<"add a kill system.";}
};


class CPowerSystem : public CFileSystem
{
public:
CPowerSystem(){};
virtual void operate(){qDebug() <<"add a power system.";}
};


class CArmSystem : public CFileSystem
{
public:
CArmSystem(){};
virtual void operate(){qDebug() <<"add a arm system.";}
};


class CGccSystem : public CFileSystem
{
public:
CGccSystem(){};
virtual void operate(){qDebug() <<"add a gcc system.";}
};


class CFacade
{
public:
CFacade(){}

void getFullSystem();


void getNormalSystem();
};

facade.cpp

#include "facade.h"


void CFacade::getFullSystem()
{
CZipSystem zip;
zip.operate();
CKillSystem kill;
kill.operate();
CPowerSystem power;
power.operate();
CArmSystem arm;
arm.operate();
CGccSystem gcc;
gcc.operate();
}


void CFacade::getNormalSystem()
{
CZipSystem zip;
zip.operate();
CKillSystem kill;
kill.operate();
}

main.cpp

#include <QApplication>
#include "facade.h"


int main(int argc,char **argv)
{
QApplication app(argc,argv);
CFacade facde;
facde.getFullSystem();
facde.getNormalSystem();
return app.exec();
}