<code class="hljs" bjectivec="">+ (NSMutableArray *)querygoodsByIdFromLocal:(NSString *)dayFlightId{ FMDatabase *fmdb = [SADBManager sharedDB]; if (!fmdb) { //失败处理 return nil; } //编写SQL查询语句 NSString *query = [NSString stringWithFormat:@select * from FlightGoods where dayFlightId= '%@', dayFlightId]; FMResultSet *rs = [fmdb executeQuery:query]; NSMutableArray *invArray = [[NSMutableArray alloc]init]; FlightGoods *flightgoods; while ([rs next]) { flightgoods = [[FlightGoods alloc]init]; flightgoods.dayFlightId = [rs stringForColumn:@dayFlightId]; flightgoods.goodsCode = [rs stringForColumn:@goodsCode]; flightgoods.goodsName = [rs stringForColumn:@goodsName]; flightgoods.goodsUnit = [rs stringForColumn:@goodsUnit]; flightgoods.remarks = [rs stringForColumn:@remarks]; flightgoods.cabinStockNum = [[NSNumber alloc]initWithInt:[rs intForColumn:@cabinStockNum]]; flightgoods.loseNum = [[NSNumber alloc]initWithInt:[rs intForColumn:@loseNum]]; flightgoods.actualNum = [[NSNumber alloc]initWithInt:[rs intForColumn:@actualNum]]; flightgoods.tempActualNum = flightgoods.actualNum;// 这里为tempActualNum赋值，之后根据这个值判断能否加1操作 flightgoods.tempLoseNum = flightgoods.loseNum; flightgoods.tempRemarks = flightgoods.remarks; [invArray addObject:flightgoods]; } return invArray;}// 更新对象值到数据库+ (BOOL)updateGoodsByFlightGoods:(NSMutableArray *)flightGoodsArr{ FMDatabase *fmdb = [SADBManager sharedDB]; if (!fmdb) { //失败处理 return nil; } [fmdb beginTransaction]; BOOL isRollBack = NO; @try { for (int i = 0; i<[flightGoodsArr count]; i++) { FlightGoods * flightGoods = [flightGoodsArr objectAtIndex:i]; NSString * update = [NSString stringWithFormat:@update FlightGoods set actualNum = '%@', loseNum = '%@',remarks = '%@' where goodsCode = '%@',flightGoods.actualNum,flightGoods.loseNum,flightGoods.remarks,flightGoods.goodsCode]; BOOL isSuccess = [fmdb executeUpdate:update]; if (!isSuccess) { NSLog(@update Failure); } } } @catch (NSException *exception) { isRollBack = YES; [fmdb rollback]; } @finally { if (!isRollBack) { [fmdb commit]; } } return !isRollBack;}</code>