01    //获取当前时间

02    NSDate *now = [NSDate date];

03    NSLog(@”now date is: %@”, now);

04

05    NSCalendar *calendar = [NSCalendar currentCalendar];

06    NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;

07    NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:now];

08

09    int year = [dateComponent year];

10    int month = [dateComponent month];

11    int day = [dateComponent day];

12    int hour = [dateComponent hour];

13    int minute = [dateComponent minute];

14    int second = [dateComponent second];

15

16    NSLog(@”year is: %d”, year);

17    NSLog(@”month is: %d”, month);

18    NSLog(@”day is: %d”, day);

19    NSLog(@”hour is: %d”, hour);

20    NSLog(@”minute is: %d”, minute);

21    NSLog(@”second is: %d”, second);