3 装饰模式（2）

代码
  1 #include <iostream>
  2 #include <string>
  3 
  4  using std::string;
  5 using std::cout;
  6 using std::endl;
  7 
  8 class Person
  9 {
 10 public:
 11     Person()
 12     {
 13     }
 14     Person(string name)
 15     {
 16         this->name = name;
 17     }
 18     virtual void Show()
 19     {
 20         cout<<"装扮的"<<name<<endl;
 21     }
 22 private:
 23     string name;
 24 };
 25 
 26 //服饰类
 27 class Finery : public Person
 28 {
 29 public:
 30     void Decorate(Person* component)
 31     {
 32         this->component = component;
 33     }
 34     void Show()
 35     {
 36         if(component != NULL)
 37         {
 38             component->Show();
 39         }
 40     }
 41 private:
 42     Person* component;
 43 };
 44 
 45 //具体服饰类
 46 class TShirts : public Finery
 47 {
 48 public:
 49     void Show()
 50     {
 51         cout<<"大T恤 ";
 52         Finery::Show();
 53     }
 54 };
 55 
 56 class BigTrouser : public Finery
 57 {
 58 public:
 59     void Show()
 60     {
 61         cout<<"垮裤 ";
 62         Finery::Show();
 63     }
 64 };
 65 
 66  
 67 class Sneakers:public Finery   
 68 {   
 69 public:   
 70     virtual void Show( )   
 71     {   
 72         cout<< "破球鞋 ";   
 73         Finery::Show();   
 74     }   
 75 };   
 76   
 77 class Suit:public Finery   
 78 {   
 79 public:   
 80     virtual void Show( )   
 81     {   
 82         cout<< "西装 ";   
 83         Finery::Show();   
 84     }   
 85 };   
 86   
 87 class Tie:public Finery   
 88 {   
 89 public:   
 90     virtual void Show( )   
 91     {   
 92         cout<< "领带 ";   
 93         Finery::Show();   
 94     }   
 95 };   
 96   
 97 class LeatherShoes:public Finery   
 98 {   
 99 public:   
100     virtual void Show( )   
101     {   
102         cout<< "皮靴 " ;   
103         Finery::Show();   
104     }   
105 };   
106 
107 int main()
108 {
109     Person* xc = new Person("小菜");
110 
111     cout<<"第一种装扮:"<<endl;
112     Sneakers *pqx = new Sneakers();   
113     BigTrouser *kk = new BigTrouser();   
114     TShirts *dtx = new TShirts();   
115 
116     //装饰过程
117     pqx->Decorate( xc );   
118     kk->Decorate( pqx );   
119     dtx->Decorate( kk );   
120     dtx->Show();   
121 
122     cout<< "第二种装扮" <<endl;   
123     LeatherShoes *px = new LeatherShoes();   
124     Tie *ld = new Tie();   
125     Suit *xz = new Suit(); 
126 
127     px->Decorate(xc);   
128     ld->Decorate(px);   
129     xz->Decorate(ld);   
130     xz->Show();   
131 
132 
133 
134     return 0;
135 }