NSDate* now = [NSDate
date];
NSCalendar *calendar = [[NSCalendar
alloc]
initWithCalendarIdentifier:NSGregorianCalendar];
NSInteger unitFlags =
NSYearCalendarUnit | NSMonthCalendarUnit |
NSDayCalendarUnit | NSWeekdayCalendarUnit |
NSHourCalendarUnit | NSMinuteCalendarUnit |
NSSecondCalendarUnit;
NSDateComponents *comps = [calendar components:unitFlags
fromDate:now];
int year = [comps year];
int month = [comps month];
int day = [comps day];
int hour = [comps hour];
int min = [comps minute];
int sec = [comps second];
NSString * strtime = [NSString
stringWithFormat:@"%d-%d-%d %d:%d:%d", year, month,day,hour,min,sec];