一个基类Person的多个派生类 代码参考

 #include <iostream>
 #include <cstring>

 using namespace std;

 class Person
 {
     protected:
         char Name[];
         char Sex;
         int Age;
     public:
         void Register(char *name, int age, char sex);
         void ShowMe();
 };

 class Teacher:public Person
 {
     private:
         char Dept[];
         int Salary;
     public:
         Teacher(char *dept, int salary, char *name, char sex, int age);
         void showme();
 };

 class Student:public Person
 {
     private:
         char ID[];
         char Class[];
     public:
         Student(char *name, int age, char sex, char *id, char *classid);
         void showme();
 };

 void Person::Register(char *name,int age,char sex)
 {
     strcpy(Name,name);
     Age=age;
     Sex=sex;
     return;
 }

 void Person::ShowMe()
 {
     cout<<"姓名 "<<Name<<endl;
     if(Sex=='m')    cout<<"性别 男"<<endl;
     else    cout<<"性别 女"<<endl;
     cout<<"年龄 "<<Age<<endl;
     return;
 }

 Teacher::Teacher(char *dept, int salary, char *name, char sex, int age)
 {
     strcpy(Dept,dept);
     Salary=salary;
     Person::Register(name,age,sex);
 }

 void Teacher::showme()
 {
     Person::ShowMe();
     cout<<"工作单位 "<<Dept<<endl;
     cout<<"月薪 "<<Salary<<endl;
     return;
 }

 Student::Student(char *name, int age, char sex, char *id, char *classid)
 {
     Person::Register(name,age,sex);
     strcpy(ID,id);
     strcpy(Class,classid);
 }

 void Student::showme()
 {
     cout<<"学号 "<<ID<<endl;
     Person::ShowMe();
     cout<<"班级 "<<Class<<endl;
     return;
 }

 int main()
 {
     char name1[],name2[],Dept[],ID[],Class[],Sex1,Sex2;
     int Salary,Age1,Age2;
     cin>>name1>>Age1>>Sex1>>Dept>>Salary;
     cin>>name2>>Age2>>Sex2>>ID>>Class;
     Teacher one(Dept,Salary,name1,Sex1,Age1);
     Student two(name2,Age2,Sex2,ID,Class);
     one.showme();
     two.showme();
     return ;
 }