date.h

自己通过老师指导做的图书管理系统

#ifndef DATE_H 
#define DATE_H
#include <iostream>
using namespace std;
class Date 
{ public:
	int m_year;
	int m_month;
	int m_day;
	friend ostream & operator<<(ostream & output ,Date &d);
	friend istream & operator>>(istream &output,Date &d);
	Date(int y=0,int m=0,int d=0);
	
};
#endif