源程序：
#include <iostream>
#include <string>
using namespace std;
class myDate
{
public:
myDate();
myDate(int, int, int);
void setDate(int, int, int);
void setDate(myDate);
myDate getDate();
void setYear(int);
int getMonth();
void printDate() const;
private:
int year, month, day;
};
//在类体外定义成员函数
myDate::myDate()
{
year = 1970;
month = 1;
day = 1;
}
myDate::myDate(int y, int m, int d)
{
year = y;
month = m;
day = d;
}
void myDate::setDate(int y, int m, int d)
{
year = y;
month = m;
day = d;
return;
}
void myDate::setDate(myDate oneD)
{
year = oneD.year;
month = oneD.month;
day = oneD.day;
return;
}
myDate myDate::getDate()
{
return *this;
}
void myDate::setYear(int y)
{
year = y;
return;
}
int myDate::getMonth()
{
return month;
}
void myDate::printDate() const
{
cout << year << "/" << month << "/" << day;
return;
}
class Student
{
public:
void setStudent(string, myDate);
void setName(string);
string getName();
void setBirthday(myDate);
myDate getBirthday();
void printStudent() const;
private:
string name;
myDate birthday;
};
//在类体外定义成员函数
void Student::setStudent(string s, myDate d)
{
name = s;
birthday.setDate(d);
return;
}
void Student::setName(string n)
{
name = n;
return;
}
string Student::getName()
{
return name;
}
void Student::setBirthday(myDate d)
{
birthday.setDate(d);
return;
}
myDate Student::getBirthday()
{
return birthday;
}
void Student::printStudent() const
{
cout << "姓名：" << name << " 生日：";
birthday.printDate();
cout << endl;
}
int main()
{
Student ss;
int y, m, d;
string name_;
Student &sy = ss; //sy是ss的别名
cout << "请输入学生的姓名和生日，生日以"年 月 日"的次序输入:";
cin >> name_ >> y >> m >> d;
sy.setStudent(name_,myDate(y,m,d));
sy.printStudent();
system("pause");
return 0;
}
运行结果：
