2023.4.28

//实验六任务5
#include <iostream>
#include <string>
using namespace std;
class Student
{
public:
    Student(int ID,string name);
    void setnameid()
    {
        cout<<"请输入姓名："<<endl;
        cin>>name;
        cout<<"请输入学号："<<endl;
        cin>>ID;
    }
    void displaynameid()
    {
        cout<<"姓名："<<name<<endl;
        cout<<"学号："<<ID<<endl;
    }
    virtual void setmajor() = 0;
    virtual string getmajor() = 0;
    virtual void setadvisor() = 0;
    virtual string getadvisor() = 0;
protected:
    string name;
    int ID;
};
class Understud:public Student
{
public:
    Understud(string name,int ID,string major);
    void setmajor()
    {
        cout<<"请输入学号："<<endl;
        cin>>major;
    }
    string getmajor()
    {
        cout<<"专业："<<major<<endl;
        return major;
    }
protected:
    string major;
};
class Poststud:public Understud
{
public:
    Poststud(string name = "***",int ID = -1,string major = "###",string advisor = "&&&");
    void setadvisor()
    {
        cout<<"请输入导师姓名："<<endl;
        cin>>advisor;
    }
    string getadvisor()
    {
        cout<<"导师姓名："<<advisor<<endl;
        return advisor;
    }
private:
    string advisor;
};
int main()
{
    Poststud p;
    int num;
    cout<<"请输入选项（0或1）：";
    cin>>num;
    if(num == 0)
    {
        p.displaynameid();
        p.getmajor();
        p.getadvisor();
    }
    else if(num == 1)
    {
        p.setnameid();
        p.setmajor();
        p.setadvisor();
        p.displaynameid();
        p.getmajor();
        p.getadvisor();
    }
    return 0;
}