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。

  1 #include "stdafx.h"
  2 #include "iostream"
  3 #include "string"
  4 using namespace std;
  5 class TDate{                            //定义TDate
  6 protected:
  7     int Year, Month, Day;
  8 public:
  9     TDate()
 10     {
 11     }
 12     TDate(int year, int month, int day)
 13     {
 14         Year = year;
 15         Month = month;
 16         Day = day;
 17     }
 18     void Display()
 19     {
 20         cout << "出生年份：" << Year << endl;
 21         cout << "出生月份：" << Month << endl;
 22         cout << "出生日期：" << Day << endl;
 23     }
 24
 25 };
 26 class Person :public TDate{
 27 protected:
 28     int ID;
 29     static int Count;
 30     string Name, Sex;
 31 public:
 32     Person()
 33     {
 34     }
 35     Person(int id, string name, string sex, int year, int month, int day) :TDate(year, month, day)
 36     {
 37         //ID=id;
 38         Name = name;
 39         Sex = sex;
 40     }
 41     virtual void Display()
 42     {
 43         cout << "姓名：" << Name << endl;
 44         cout << "性别：" << Sex << endl;
 45         TDate::Display();
 46     }
 47 };
 48 int Person::Count = 0;
 49 class Teacher :public Person{
 50 protected:
 51     string Title;
 52     string Dept;
 53 public:
 54     Teacher()
 55     {
 56         Count++;
 57         ID = Count;
 58     }
 59     Teacher(string title, string dept, int id, string name, string sex, int year, int month, int day) :Person(id, name, sex, year, month, day)
 60     {
 61         Count++;
 62         ID = Count;
 63         Title = title;
 64         Dept = dept;
 65     }
 66     virtual void Display()
 67     {
 68         cout << "----------老师信息----------" << endl;
 69         cout << "编号：" << ID << endl;
 70         cout << "姓名：" << Name << endl;
 71         cout << "性别：" << Sex << endl;
 72         cout << "出生日期：" << Year << "年" << Month << "月" << Day << "日" << endl;
 73         cout << "职称：" << Title << endl;
 74         cout << "所在系：" << Dept << endl;
 75     }
 76
 77 };
 78 class Student :public Person{
 79 protected:
 80     string Major, Grade;
 81 public:
 82     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。
 83     {
 84         Count++;
 85         ID = Count;
 86     }
 87     Student(int id, string name, string sex, int year, int month, int day, string major, string grade) :Person(id, name, sex, year, month, day)
 88     {
 89         Count++;
 90         ID = Count;
 91         Major = major;
 92         Grade = grade;
 93     }
 94     virtual void Display()
 95     {
 96         cout << "----------学生信息----------" << endl;
 97         cout << "编号：" << ID << endl;
 98         cout << "姓名：" << Name << endl;
 99         cout << "性别：" << Sex << endl;
100         cout << "出生日期：" << Year << "年" << Month << "月" << Day << "日" << endl;
101         cout << "专业：" << Major << endl;
102         cout << "年级：" << Grade << endl;
103     }
104     virtual void SetValue()
105     {
106         //cout<<"---------请输入学生信息---------"<<endl;
107         cout << "姓名：";
108         cin >> Name;
109         cout << "性别：";
110         cin >> Sex;
111         cout << "出生年份：";
112         cin >> Year;
113         cout << "出生月份：";
114         cin >> Month;
115         cout << "出生日期：";
116         cin >> Day;
117         cout << "年级：";
118         cin >> Grade;
119         cout << "专业：";
120         cin >> Major;
121         cout << endl;
122     }
123 };
124 int main()
125 {
126     cout << "----------输入学生信息----------" << endl;
127     Teacher teach("讲师", "计算机系", 1, "张山", "男", 1978, 11, 11);
128     Student stu;
129     stu.SetValue();
130     teach.Display();
131     stu.Display();
132     int i;
133     cin >> i;
134
135 }