Question

在RLMObject的子类中声明了一个Bool属性，如下所示：

@interface PhotoRealm : RLMObject

@property NSNumber<RLMBool> *isVoted;

- (id)initWithMantleModel:(PhotoModel *)photoModel;

@end

在.m文件中，我已将-defaultPropertyValues实现为init，如下所示：

+ (NSDictionary *)defaultPropertyValues {
    return @{@"isVoted" : @NO};
}

在某个地方，我需要通过丛林做一些bool值，但结果不是预期的。然后，我编写以下调试代码：

   if (photoRealm.isVoted) {
        NSLog(@"isVoted");
    } else {
        NSLog(@"unVoted");
    }

    NSLog(@"%ld", (NSInteger)photoRealm.isVoted);

记录如下：

[15:32:43] - [DTCollectionViewCell setupContentWithPhotoModel：] [306行] isVoted [15:32:43] - [DTCollectionViewCell setupContentWithPhotoModel：] [311行] 4646266992

同时，realm文件的快照如下：

我被困在这里。

Answer 1

我想我已经解决了。

实际上，isVoted是 NSNumber ，所以代码应该是这样的：

if ([photo.isVoted integerValue]) {
        NSLog(@"isVoted");
    } else {
        NSLog(@"unVoted");
    }

    NSLog(@"%ld", [photo.isVoted integerValue]);

Answer 2

您需要将其用作。


    Nov  8 08:35:04 rockpro64 gunicorn[24608]: creation of dataframe for object_ai
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-11-08 08:35:04,050 INFO sqlalchemy.engine.base.Engine select  timestamp, value from db.tldata where pointId = (select Id from db.device_pointList where DeviceId = ( select Id from db.device where device_instance =200) and  ObjectId = 7 and object='trendLog') and timestamp between '2019-10-30 00:00:00' and '2019-10-31 23:59:59'
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-11-08 08:35:04,050 INFO sqlalchemy.engine.base.Engine {}
    Nov  8 08:35:04 rockpro64 gunicorn[24608]:                          value
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: timestamp
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-30 00:00:00  10.475613
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-30 00:15:00   8.461939
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-30 00:30:00   5.507755
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-30 00:45:00   8.461939
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-30 01:00:00   5.507755
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: ...                        ...
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-31 22:45:00  10.641429
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-31 23:00:00   1.556020
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-31 23:15:00  11.016837
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-31 23:30:00   8.576020
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-10-31 23:45:00   9.379898
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: [192 rows x 1 columns]
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: creation of dataframe for object_sp
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-11-08 08:35:04,187 INFO sqlalchemy.engine.base.Engine select  timestamp, value from db.tldata where pointId = (select Id from db.device_pointList where DeviceId = ( select Id from db.device where device_instance =200) and  ObjectId = 9 and object='trendLog') and timestamp between '2019-10-30 00:00:00' and '2019-10-31 23:59:59'
    Nov  8 08:35:04 rockpro64 gunicorn[24608]: 2019-11-08 08:35:04,187 INFO sqlalchemy.engine.base.Engine {}

如何在realm-cocoa中正确使用RLMBool属性？

2 个答案: