C++模板模式

头文件：

#ifndef CTEMPLATMODE_H
#define CTEMPLATMODE_H

#include<iostream>
#include<string>
using namespace std;


//Model抽象基类
class CtemplatMode
{
public:
    CtemplatMode();
};

class CHummerModel
{
public:
    CHummerModel(void);
    virtual ~CHummerModel(void);
    void Run();
protected:
    virtual void Start() = 0;
    virtual void Stop() = 0;
    virtual void Alarm() = 0;
    virtual void EngineBoom() = 0;
    virtual bool IsAlarm();
};
//Model衍生类1
class CHummerH1Model :
        public CHummerModel
{
public:
    CHummerH1Model(void);
    ~CHummerH1Model(void);
    void SetAlarm(bool tag);
    void Start();
    void Stop();
    void Alarm();
    void EngineBoom();
    bool IsAlarm();
private:
    bool m_isAlarm;
};

//Model衍生类2

class CHummerH2Model :
        public CHummerModel
{
public:
    CHummerH2Model(void);
    ~CHummerH2Model(void);
    void Start();
    void Stop();
    void Alarm();
    void EngineBoom();
    bool IsAlarm();
};


#endif // CTEMPLATMODE_H

源文件：

#include "ctemplatmode.h"

CtemplatMode::CtemplatMode()
{
    
}
CHummerModel::CHummerModel(void)
{
}
CHummerModel::~CHummerModel(void)
{
}
void CHummerModel::Run()
{
    //先发动汽车
    Start();
    //引擎开始轰鸣
    EngineBoom();
    //然后就开始跑了，跑的过程中遇到一条狗挡路，就按喇叭
    if (IsAlarm())
        Alarm();
    
    //到达目的地就停车
    Stop();
}
bool CHummerModel::IsAlarm()
{
    //钩子方法，默认喇叭是会响的
    return true;
}

CHummerH1Model::CHummerH1Model(void)
{
    m_isAlarm = true;
}
CHummerH1Model::~CHummerH1Model(void)
{
}
void CHummerH1Model::Start()
{
    cout << "悍马H1发动..." << endl;
}
void CHummerH1Model::Stop()
{
    cout << "悍马H1停车..." << endl;
}
void CHummerH1Model::Alarm()
{
    cout << "悍马H1鸣笛" << endl;
}
void CHummerH1Model::EngineBoom()
{
    cout << "悍马H1引擎声音是这样...." << endl;
}
bool CHummerH1Model::IsAlarm()
{
    return this->m_isAlarm;
}
void CHummerH1Model::SetAlarm( bool tag )
{
    this->m_isAlarm = tag;
}

CHummerH2Model::CHummerH2Model(void)
{
}
CHummerH2Model::~CHummerH2Model(void)
{
}
void CHummerH2Model::Start()
{
    cout << "悍马H2发动..." << endl;
}
void CHummerH2Model::Stop()
{
    cout << "悍马H2停车..." << endl;
}
void CHummerH2Model::Alarm()
{
    cout << "悍马H2鸣笛" << endl;
}
void CHummerH2Model::EngineBoom()
{
    cout << "悍马H2引擎声音是这样...." << endl;
}
bool CHummerH2Model::IsAlarm()
{
    return false;
}

//使用测试
void templatTest()
{
    //客户开着H1型号，出去遛弯了
    CHummerModel *ph1 = new CHummerH1Model();
    ph1->Run();
    delete ph1;
    
    //客户开H2型号，出去玩耍了
    CHummerModel *ph2 = new CHummerH2Model();
    ph2->Run();
    delete ph2;
    
    //客户开着H1型号，出去遛弯了，并且不让喇叭响
    CHummerH1Model *ph11 = new CHummerH1Model();
    ph11->SetAlarm(false);
    ph11->Run();
    delete ph11;
    
}