///打開數據庫+ (BOOL)openDataBase{    _TYDatabase = [[FMDatabase alloc]initWithPath:[self databasePath]];  if ([_TYDatabase open]) {    return YES;  }  return NO;}///數據庫路徑+ (NSString *)databasePath{  NSString *documentPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];  NSString *dataPath = [documentPath stringByAppendingPathComponent:@"TY.SQLite"];  NSFileManager *fileM = [NSFileManager defaultManager];  if (![fileM fileExistsAtPath:dataPath]) {    NSString *filePath = [[NSBundle mainBundle] pathForResource:@"TY" ofType:@"SQLite"];    [fileM copyItemAtPath:filePath toPath:dataPath error:nil];  }  NSLog(@"%@",dataPath);  return dataPath;  }

/** 事務 arraySql：SQL語句數組 */- (void)beginTransaction:(NSArray *)arraySql;{  //// static FMDatabase *_TYDatabase = nil;  BOOL isOpen=[_TYDatabase open];  if (!isOpen) {    NSLog(@"打開數據庫失??！");    return;  }  ///開始事物  [_TYDatabase beginTransaction];  BOOL isRollBack = NO;  @try {    for (int i = 0; i<arraySql.count; i++) {      BOOL result = [_TYDatabase executeUpdate:arraySql[i]];      if (!result) {        NSLog(@"操作失敗【%d】== SQL：%@",i,arraySql[i]);      }    }  }  @catch (NSException *exception) {    isRollBack = YES;    ///回滾    [_TYDatabase rollback];  }  @finally {    if (!isRollBack) {      ///提交      [_TYDatabase commit];    }  }  [_TYDatabase close];}

/** 多線程事務 arraySql：SQL語句數組 */+ (void)beginTransactionT:(NSArray *)arraySql{  FMDatabaseQueue *databaseQueue = [FMDatabaseQueue databaseQueueWithPath:[self databasePath]];  [databaseQueue inTransaction:^(FMDatabase *db, BOOL *rollback) {    BOOL result = NO;    for (int i = 0; i < arraySql.count; i++) {      result = [_TYDatabase executeUpdate:arraySql[i]];    }    if (result) {      NSLog(@"成功");    }  }];}