NSDate « iPhoneメモ

iPhone開発のメモです。NSDate *tmpDate_1 = [NSDate date]; NSDate *tmpDate_2 = [[[NSDate date] addTimeInterval:1209600] retain]; NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; NSInteger unitFlags = NSDayCalendarUnit; NSDateComponents *components = [gregorian components:unitFlags fromDate:tmpDate_1 toDate:tmpDate_2 options:0]; NSInteger days = [components day]; m