c++装饰模式

c++装饰模式

#include 
#include 
using namespace std;
class Person
{
private:
    string m_strName;
public:
    Person(string strName)
    {
        m_strName = strName;
    }
    Person(){}
    virtual void Show()
    {
        cout<<"装扮的是："<
    }
};
//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
class TShirts : public Finery
{
public:
    virtual void Show()
    {
        cout<<"穿件TShirts"<
        m_component->Show();
    }
};
//裤子
class BigTrouser : public Finery
{
public:
    virtual void Show()
    {
        cout<<"穿件裤子"<
        m_component->Show();
    }
};
class Glass : public Finery
{
public:
    virtual void Show()
    {
        cout<<"哥再戴个墨镜"<
        m_component->Show();
    }
};
int main()
{
    Person* p = new Person("海涛");
    BigTrouser* bt = new BigTrouser();
    TShirts* ts = new TShirts();
    Glass* gl = new Glass();
    //拿裤子装饰“裸人”
    bt->Decorate(p);
    //拿TShirts装饰穿了裤子的人
    ts->Decorate(bt);
    //让穿着裤子Tshirts的人戴墨镜
    gl->Decorate(ts);
    gl->Show();
    return 0;
}
//?天太热，哥只想戴墨镜和穿裤子怎么办？
//gl->Decorate(bt);
//?只想穿TShirt和戴墨镜又怎么办？
//ts->Decorate(p);
//gl->Decorate(ts);
//是不是很灵活？