一个基类Person的多个派生类 代码参考

 1 #include <iostream>
 2 #include <cstring>
 3 
 4 using namespace std;
 5 
 6 class person
 7 {
 8     protected:
 9         char name[10];
10         char sex;
11         int age;
12     public:
13         void register(char *name, int age, char sex);
14         void showme();
15 };
16 
17 class teacher:public person
18 {
19     private:
20         char dept[20];
21         int salary;
22     public:
23         teacher(char *dept, int salary, char *name, char sex, int age);
24         void showme();
25 };
26 
27 class student:public person
28 {
29     private:
30         char id[12];
31         char class[12];
32     public:
33         student(char *name, int age, char sex, char *id, char *classid);
34         void showme();
35 };
36 
37 void person::register(char *name,int age,char sex)
38 {
39     strcpy(name,name);
40     age=age;
41     sex=sex;
42     return;
43 }
44 
45 void person::showme()
46 {
47     cout<<"姓名 "<<name<<endl;
48     if(sex=='m')    cout<<"性别 男"<<endl;
49     else    cout<<"性别 女"<<endl;
50     cout<<"年龄 "<<age<<endl;
51     return;
52 }
53 
54 teacher::teacher(char *dept, int salary, char *name, char sex, int age)
55 {
56     strcpy(dept,dept);
57     salary=salary;
58     person::register(name,age,sex);
59 }
60 
61 void teacher::showme()
62 {
63     person::showme();
64     cout<<"工作单位 "<<dept<<endl;
65     cout<<"月薪 "<<salary<<endl;
66     return;
67 }
68 
69 student::student(char *name, int age, char sex, char *id, char *classid)
70 {
71     person::register(name,age,sex);
72     strcpy(id,id);
73     strcpy(class,classid);
74 }
75 
76 void student::showme()
77 {
78     cout<<"学号 "<<id<<endl;
79     person::showme();
80     cout<<"班级 "<<class<<endl;
81     return;
82 }
83 
84 int main()
85 {
86     char name1[20],name2[20],dept[20],id[12],class[12],sex1,sex2;
87     int salary,age1,age2;
88     cin>>name1>>age1>>sex1>>dept>>salary;
89     cin>>name2>>age2>>sex2>>id>>class;
90     teacher one(dept,salary,name1,sex1,age1);
91     student two(name2,age2,sex2,id,class);
92     one.showme();
93     two.showme();
94     return 0;
95 }