Qt C++ prototype(原型模式或者克隆模式)

prototype.h

#pragma once


#include <QDebug>
#include <QObject>
#include <QString>


class CProtoTypeBase
{
public:
virtual CProtoTypeBase* clone() = 0;
virtual void printAuthor() = 0;
virtual void printGroup() = 0;
void setAuthor(const QString &author){m_author = author;}
QString getAtuthor() const{return m_author;}
private:
QString m_author;
};


class CComputerBook : public CProtoTypeBase
{
public:
CComputerBook(){};
CProtoTypeBase* clone();
void printAuthor();
void printGroup();
};


class CStoryBook : public CProtoTypeBase
{
public:
CStoryBook(){};
CProtoTypeBase* clone();
void printAuthor();
void printGroup();
};

prototype.cpp

#include "prototype.h"


CProtoTypeBase* CComputerBook::clone()
{
CComputerBook *p = new CComputerBook;
*p = *this;
return p;
}


void CComputerBook::printAuthor()
{
qDebug() << "computerAuthor";
}


void CComputerBook::printGroup()
{
qDebug() << "";
}


CProtoTypeBase* CStoryBook::clone()
{
CStoryBook *p = new CStoryBook;
*p = *this;
return p;
}


void CStoryBook::printAuthor()
{
qDebug() << "storyAuthor";
}


void CStoryBook::printGroup()
{
qDebug() << "";
}

main.cpp

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


int main(int argc,char **argv)
{
QApplication app(argc,argv);

CProtoTypeBase *computer = new CComputerBook;

computer->setAuthor("xiaojiji");
CProtoTypeBase * com2 = computer->clone();
qDebug() << com2->getAtuthor();
com2->setAuthor("xiaoniuniu");
qDebug() << com2->getAtuthor();
delete computer;
delete com2;


return app.exec();
}