IOS date 핸들링.

   NSDateFormatter *formatter = [[NSDateFormatter alloc] init];

    [formatter setDateFormat:@"YYYY-MM"];

    NSString *CoverUrl = [NSString stringWithFormat:@"http://www.xxxxxx.com/mobile/images/cover/%@.png",[formatter stringFromDate:[NSDate date]]];

        // NSLog

        [formatter release];

////// 위에것이 더 사용하기 편한듯... 

    NSDate *date = [NSDate date];

    NSCalendar *calender = [NSCalendar currentCalendar];

    NSCalendarUnit unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;

    NSDateComponents *comp = [calender components:unitFlags fromDate:date];

    

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

    [dateFormatter setDateFormat:@"YYYY-MM"];

    NSString *CoverUrl = [NSString stringWithFormat:@"http://www.xxx.com/mobile/images/cover/%@.png",[dateFormatter dateFromString:[NSString stringWithFormat:@"%d-%d", [comp year], [comp month]]]];