c++ 行为型模式_模板(Template Method)

 1 #include <iostream>
 2 class AbstractClass
 3 {
 4 public:
 5     AbstractClass() {}
 6     virtual ~AbstractClass() {}
 7     void TemplateMethod()
 8     {
 9         PrimitiveOperation1();
10         PrimitiveOperation2();
11     }
12 protected:
13     virtual void PrimitiveOperation1() = 0;
14     virtual void PrimitiveOperation2() = 0;
15 };
16 
17 class ConcreateClass : public AbstractClass
18 {
19 public:
20     ConcreateClass() {}
21     virtual ~ConcreateClass() {}
22     virtual void PrimitiveOperation1()
23     {
24         std::cout << "PrimitiveOperation1" << std::endl;
25     }
26     virtual void PrimitiveOperation2()
27     {
28         std::cout << "PrimitiveOperation2" << std::endl;
29     }
30 };
31 
32 int main() 
33 {
34     AbstractClass* ptr = new ConcreateClass;
35     ptr->TemplateMethod();
36     delete ptr;
37     system("pause");
38 }