//获取当前时间 NSDate *now = [NSDate date]; NSLog(@”now date is: %@”, now); NSCalendar *calendar = [NSCalendar currentCalendar]; NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit; NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:now]; int year = [dateComponent year]; int month = [dateComponent month]; int day = [dateComponent day]; int hour = [dateComponent hour]; int minute = [dateComponent minute]; int second = [dateComponent second]; 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);