学校人员信息的抽象与封装

一、实验目的：1、根据学生老师之间的关联关系，利用继承性和派生类，设计若干自定义类；

1、 掌握类的成员成员、静态成员和虚函数；

2、 定义和调用用户函数PrintInfo(Person &ob)，体会虚函数的特性。

实现一个win32控制台的应用程序，可以对学校人员的信息输入和显示。

 

#include "stdafx.h"
#include "iostream"
#include "string" 
using namespace std;
class TDate{                            //定义TDate
protected:
    int Year, Month, Day;
public:
    TDate()
    {
    }
    TDate(int year, int month, int day)
    {
        Year = year;
        Month = month;
        Day = day;
    }
    void Display()
    {
        cout << "出生年份：" << Year << endl;
        cout << "出生月份：" << Month << endl;
        cout << "出生日期：" << Day << endl;
    }

};
class Person :public TDate{
protected:
    int ID;
    static int Count;
    string Name, Sex;
public:
    Person()
    {
    }
    Person(int id, string name, string sex, int year, int month, int day) :TDate(year, month, day)
    {
        //ID=id;
        Name = name;
        Sex = sex;
    }
    virtual void Display()
    {
        cout << "姓名：" << Name << endl;
        cout << "性别：" << Sex << endl;
        TDate::Display();
    }
};
int Person::Count = 0;
class Teacher :public Person{
protected:
    string Title;
    string Dept;
public:
    Teacher()
    {
        Count++;
        ID = Count;
    }
    Teacher(string title, string dept, int id, string name, string sex, int year, int month, int day) :Person(id, name, sex, year, month, day)
    {
        Count++;
        ID = Count;
        Title = title;
        Dept = dept;
    }
    virtual void Display()
    {
        cout << "----------老师信息----------" << endl;
        cout << "编号：" << ID << endl;
        cout << "姓名：" << Name << endl;
        cout << "性别：" << Sex << endl;
        cout << "出生日期：" << Year << "年" << Month << "月" << Day << "日" << endl;
        cout << "职称：" << Title << endl;
        cout << "所在系：" << Dept << endl;
    }

};
class Student :public Person{
protected:
    string Major, Grade;
public:
    Student()      //定义无参构造函数，因为主函数里要之声明一个类，但是在之后才赋值。
    {
        Count++;
        ID = Count;
    }
    Student(int id, string name, string sex, int year, int month, int day, string major, string grade) :Person(id, name, sex, year, month, day)
    {
        Count++;
        ID = Count;
        Major = major;
        Grade = grade;
    }
    virtual void Display()
    {
        cout << "----------学生信息----------" << endl;
        cout << "编号：" << ID << endl;
        cout << "姓名：" << Name << endl;
        cout << "性别：" << Sex << endl;
        cout << "出生日期：" << Year << "年" << Month << "月" << Day << "日" << endl;
        cout << "专业：" << Major << endl;
        cout << "年级：" << Grade << endl;
    }
    virtual void SetValue()
    {
        //cout<<"---------请输入学生信息---------"<<endl;
        cout << "姓名：";
        cin >> Name;
        cout << "性别：";
        cin >> Sex;
        cout << "出生年份：";
        cin >> Year;
        cout << "出生月份：";
        cin >> Month;
        cout << "出生日期：";
        cin >> Day;
        cout << "年级：";
        cin >> Grade;
        cout << "专业：";
        cin >> Major;
        cout << endl;
    }
};
int main()
{
    cout << "----------输入学生信息----------" << endl;
    Teacher teach("讲师", "计算机系", 1, "张山", "男", 1978, 11, 11);
    Student stu;
    stu.SetValue();
    teach.Display();
    stu.Display();
    int i;
    cin >> i;

}