datetime-1.cpp

#include <iostream>
class DateTime {
private:
  int seconds;     //从1970年1月1日0时开始计算的秒数 
public:
  DateTime();
  DateTime(int y, int m, int d, int hour, int minute, int second); 
  DateTime(const DateTime &dt);
  ~DateTime();
  void showTime();
  void showMoon();  //作业：将当前公历转换为农历显示出来 
};

int main() {
  DateTime dt, dt1(2020, 3, 27, 10, 40, 55);
  DateTime dt2(dt), &dt3 = dt;
  DateTime *dt4 = &dt;
  dt.showTime();
  dt1.showTime();
  dt2.showTime();
  dt3.showTime();
  dt4->showTime();
  return 0;
}
DateTime::DateTime()
{
}
DateTime::DateTime(int y, int m, int d, int hour, int minute, int second)
{
}
DateTime::DateTime(const DateTime &dt)
{
}
DateTime::~DateTime() 
{
  std::cout << " Go die, Ha~Ha~" << std::endl;
}
void DateTime::showTime()
{
  printf("当前时间：%d/%d/%d %d:%d:%d\n", year, month, day, hour, minute, second);
}