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?
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