设计模式之装饰模式

 #include <iostream>using namespace std;class Person{public:virtual void Show() = 0;};class Girl:public Person{public:void Show(){cout << "I am a girl!" << endl;}};class Clothes:public Person{public:Person* tperson;void Decorator(Person* person){tperson = person;}virtual void Show(){tperson->Show();}};class Dress:public Clothes{public:void Show(){Clothes::Show();cout << "穿连衣裙" << endl;}};class Skirt:public Clothes{public:void Show(){Clothes::Show();cout << "穿短裙子" << endl;}};class Trousers:public Clothes{public:void Show(){Clothes::Show();cout << "穿裤子" << endl;}};class TShirts:public Clothes{public:void Show(){Clothes::Show();cout << "穿T桖" << endl;}};class Shoes:public Clothes{public:void Show(){Clothes::Show();cout << "穿鞋子" << endl;}};int main(){Girl* girl = new Girl;cout << "第一种装扮:" << endl;Dress* dress = new Dress;dress->Decorator(girl);Shoes* shoes = new Shoes;shoes->Decorator(dress);shoes->Show();delete dress;delete shoes;cout << endl << "第二种装扮:" << endl;TShirts* tShirt = new TShirts;tShirt->Decorator(girl);Skirt* skirt = new Skirt;skirt->Decorator(tShirt); shoes = new Shoes;shoes->Decorator(skirt);shoes->Show();de lete skirt;delete tShirt;delete shoes;delete girl;return 0;}