虚基类的简单应用举例

 1 #include <iostream>
 2 #include <string.h>
 3 /* run this program using the console pauser or add your own getch, system("pause") or input loop */
 4 using namespace std;
 5 
 6 class Person
 7 {
 8     public:
 9         Person(string nam,char s,int a)
10         {
11             name=nam;
12             sex=s;
13             age=a;
14         }
15     protected:
16         string name;
17         char sex;
18         int age;
19 };
20 
21 class Teacher:virtual public Person
22 {
23     public:
24         Teacher(string nam,char s,int a,string t):Person(nam,s,a)
25         {
26             title=t;
27         }
28         protected:
29             string title;
30 };
31 
32 class Student:virtual public Person
33 {
34     public:
35         Student(string nam,char s,int a,float sco)
36         :Person(nam,s,a),score(sco){
37             
38         }
39         protected:
40         float score;
41 };
42 
43 class Graduate:public Teacher,public Student
44 {
45     public:
46         Graduate(string nam,char s,int a,string t,float sco,float w)
47         :Person(nam,s,a),Teacher(nam,s,a,t),Student(nam,s,a,sco),wage(w){
48             
49         }
50         void show()
51         {
52             cout<<"name:"<<name<<endl;
53             cout<<"age:"<<age<<endl;
54             cout<<"sex:"<<sex<<endl;
55             cout<<"score:"<<score<<endl;
56             cout<<"title:"<<title<<endl;
57             cout<<"wages:"<<wage<<endl;
58         }
59         private:
60             float wage;
61 };
62 int main(int argc, char** argv) {
63     Graduate grad1("wang",'f',24,"assistant",99,123);
64     grad1.show();
65     return 0;
66 }