したがって、私のプログラムには、今日と誕生日という 2 つの変数があります。これらの変数はどちらも DayOfYear 型です。DayOfYear クラスは、日付と月の両方を受け取ります。したがって、today.setday と today.setmonth および birthday.setday と birthday.setmonth の両方を呼び出すと、変数ごとにクラスによって作成されたプライベート変数に値が割り当てられます。私の先生は、メイン関数を入力して、この変数に対して日と月の両方を出力できるようにしてほしいと言ってcout<<today
います。これをどのように設定すればよいですか?
#include <iostream>
using namespace std;
class DayOfYear
{
public:
DayOfYear( );
void setDay( );
void setMonth( );
void setYear( );
void output( );
int getMonth( );
int getDay( );
private:
int tempday;
int month;
int day;
int year;
int leapyear;
int cont;
};
int main()
{
DayOfYear today, birthday;
cout <<"what year were you born" <<endl;
birthday.setYear( );
cout <<"what year is it now" <<endl;
today.setYear( );
cout << "Enter today's date:\n";
today.setMonth( );
today.setDay( );
cout << "Enter your birthday:\n";
birthday.setMonth();
birthday.setDay( );
cout << "Today's date is ";
today.output( );
cout << "Your birthday is ";
birthday.output( );
if (today.getMonth( ) == birthday.getMonth( ) && today.getDay( ) == birthday.getDay( ))
// remove .operators (make boolean friend function that takes care of everything
//this is where i need the help
cout << "Happy Birthday!\n";
else
cout << "Happy Unbirthday!\n";
return 0;
}
DayOfYear::DayOfYear( )
{
month = 1;
day = 1;
year = 1970;
leapyear = 0;
tempday = 0;
}
void DayOfYear::output( )
{
cout << "month = " << month
<< ", day = " << day << endl;
}
void DayOfYear::setYear( )
{
cin >> year;
if (year%400 == 0 || year%4 == 0 && year%100 != 0)
{
leapyear = 1; //set leapyear to true if conditions are met
}
}
void DayOfYear::setDay()
{
do
{
cout << "Enter the day of the month: ";
cin >> tempday;
if(tempday > 28 && month == 2 && leapyear == 0)
{
cout << "invlaid day" << endl;
tempday = 0;
}
else if(tempday > 30 && month == 4 ||tempday > 30 && month == 6 || tempday > 30 && month == 9 || tempday > 30 && month == 11)
{
cout << "invlaid day" << endl;
tempday = 0;
}
else if(tempday > 31 && month == 1 || tempday > 31 && month == 3 ||tempday > 31 && month == 5 || tempday > 31 && month == 7 ||
tempday > 31 && month == 8 || tempday > 31 && month == 10 || tempday > 31 && month == 12)
{
cout << "invlaid day" << endl;
tempday = 0;
}
else
{
day = tempday;
}
} while(tempday == 0);
}
void DayOfYear::setMonth( )
{
double invalid;
do
{
cout << "Enter month as a number: ";
cin >> month;
if (month > 12 )
{
cout << "invalid month" << endl;
invalid = 1;
}
else if (month <= 12 && month >= 1)
{
invalid = 0;
}
} while (invalid == 1);
}
int DayOfYear::getMonth( )
{
return month;
}
int DayOfYear::getDay( )
{
return day;
}