设计模式(三)装饰模式

设计模式(三)装饰模式 

#include <string>
#include <iostream>

using namespace std;

//人
class Person {
    string m_strName;
public:
    Person(string strName) {
        m_strName = strName;
    }

    Person(){}

    virtual void Show() {
        cout << "装扮的是:" << m_strName << endl;
    }
};

//装饰类
class Finery :public Person {
protected:
    Person *m_component;
public:
    void Decorate(Person *component) {
        m_component = component;
    }

    virtual void Show() {
        m_component->Show();
    }
};

//T恤
class TShirts: public Finery {
public:
    virtual void Show() {
        cout << "T Shirts" << endl;
        m_component->Show();
    }
};

//裤子
class BigTrouser :public  Finery {
public:
    virtual void Show() {
        cout << " Big Trouser" << endl;
        m_component->Show();
    }
};

//客户端
int main() {
    Person *p = new Person("小李");
    BigTrouser *bt = new BigTrouser();
    TShirts *ts = new TShirts();

    bt->Decorate(p);
    bt->Show ();
    ts->Decorate(bt);
    ts->Show();

    system ("pause");
    return 0;
}