设计模式6——原型模式

 1 #ifndef Prototype_H_H
 2 #define Prototype_H_H
 3 
 4 #include <iostream>
 5 using namespace std;
 6 
 7 class Person
 8 {
 9 public:
10     virtual Person* clone() = 0;
11     virtual ~Person() {}
12     virtual void display() = 0;
13 };
14 
15 class Teacher : public Person
16 {
17 public:
18     virtual Person* clone() { return new Teacher; }
19     virtual void display() { cout << "This is a teacher!" << endl; }
20 };
21 
22 class Worker : public Person
23 {
24 public:
25     virtual Person* clone() { return new Worker; }
26     virtual void display() { cout << "This is a worker!" << endl; }
27 };
28 
29 
30 void PrototypeTest()
31 {
32     Person *person1 = new Teacher();
33     Person *person2 = new Worker();
34 
35     person1->clone()->display();
36     person2->clone()->display();
37 
38     delete person1;
39     delete person2;
40 }
41 
42 #endif