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| #include <iostream>
using namespace std;
bool isLeap(int x) //判断是否是闰年
{
if (x % 400 == 0)
return true;
if (x % 100 == 0)
return false;
if (x % 4 == 0)
return true;
return false;
}
long days(int y, int m, int d)
{
int num[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; //平年每月的天数 y--;
long ret = 365 * y + y / 4 - y / 100 + y / 400 + d;
for (int i = 1; i < m; i++)
{
ret += num[i];
if (i == 2 && isLeap(y + 1))
ret++; //符合闰年且月份大于2月
}
return ret;
}
int Leap_Year(int year) {
if (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0))
return 366;
else
return 365;
}
class DateType
{
private:
int y0;
int m0;
int d0;
public:
friend bool isLeap(int x);
friend long days(int y, int m, int d);
void Set_Day(int day) {
d0 += day;
}
int Get_Day() {
return d0;
}
void Set_Month(int month) {
m0 += month;
}
int Get_Month() {
return m0;
}
void Set_Year(int year) {
y0 += year;
}
int Get_Year() {
return y0;
}
DateType() {
y0 = 1;
m0 = 1;
d0 = 1;
}
DateType(int y = 1, int m = 1, int d = 1) {
y0 = y;
m0 = m;
d0 = d;
}
void PrintDate() {
cout << y0 << "-" << m0 << "-" << d0;
}
};
class TimeType
{
private:
int hr0;
int mi0;
int se0;
public:
friend bool isLeap(int x);
friend long days(int y, int m, int d);
void Set_Second(int second) {
se0 += second;
}
int Get_Second() {
return se0;
}
void Set_Minute(int minute) {
mi0 += minute;
}
int Get_Minute() {
return mi0;
}
void Set_Hour(int hour) {
hr0 += hour;
}
int Get_Hour() {
return hr0;
}
TimeType(int hr = 0, int mi = 0, int se = 0) {
hr0 = hr;
mi0 = mi;
se0 = se;
}
TimeType() {
hr0 = 0;
mi0 = 0;
se0 = 0;
}
void Get_Time() {
cout << hr0 << ":" << mi0 << ":" << se0;
}
};
class DateTimeType :public DateType, public TimeType
{
private:
TimeType time;
DateType date;
public:
friend bool isLeap(int x);
friend long days(int y, int m, int d);
DateTimeType(int y=1, int m=1, int d=1, int hr=0, int mi=0, int se=0) :DateType(y, m, d),TimeType(hr, mi, se), date(y, m, d), time(hr, mi, se)
{
}
void PrintDateTime() {
date.PrintDate();
cout << " ";
time.Get_Time();
cout << endl;
}
DateType& GetDate() {
return date;
}
TimeType& GetTime() {
return time;
}
void IncrementSecond(int s) {
int MONTH[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
time.Set_Second(s);
if (time.Get_Second() < 60)
;
else
{
for (; time.Get_Second() >= 60;)
{
time.Set_Second(-60);
time.Set_Minute(1);
}
for (; time.Get_Minute() >= 60;)
{
time.Set_Minute(-60);
time.Set_Hour(1);
}
for (; time.Get_Hour() >= 24;)
{
time.Set_Hour(-24);
date.Set_Day(1);
}
long Total_Day = days(date.Get_Year(), date.Get_Month(), date.Get_Day());
int temp, Cur_Year, Cur_Month, Cur_Day;
for (Cur_Year = 0; Total_Day >= Leap_Year(Cur_Year); Cur_Year++)
{
Total_Day-=Leap_Year(Cur_Year);
}
if (Leap_Year(Cur_Year) == 366)
MONTH[2] = 29;
for (temp = 1,Cur_Month=1; Total_Day >= MONTH[temp]; temp++)
{
Total_Day -= MONTH[temp];
Cur_Month++;
}
Cur_Day = Total_Day;
date.Set_Day(- date.Get_Day() + Cur_Day);
date.Set_Month(- date.Get_Month() + Cur_Month);
date.Set_Year(- date.Get_Year() + Cur_Year);
}
}
};
int main() {
DateTimeType dttm1(1999, 12, 31, 23, 59, 59), dttm2;
(dttm1.GetDate()).PrintDate(); //调用对象成员所属类的公有成员函数
cout << endl;
dttm1.PrintDateTime(); //调用本派生类的成员函数 PrintDateTime
dttm2.PrintDateTime();
dttm1.IncrementSecond(30); //调用本派生类成员函数
dttm1.PrintDateTime();
return 0;
}
|
