NSDateとNSStringの変換
NSStringからNSDateへ
NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc]init]autorelease]; [dbDateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"]; NSString *str = [dateFormatter stringFromDate:NSDate型];
NSDateからNSStringへ
NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc]init]autorelease]; [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"]; NSDate *date = [dateFormatter dateFromString:NSString型];