我想从detailedViewController中删除单元格中的数据。我试图从单元中删除图像和视频。对于视频,我将url和视频数据保存到核心数据,但我只是将url保存到单元格中。有没有办法删除基于网址的视频(如deleteDataWithURL)?以下是我使用的代码:从单元格内删除数据
- (void) deleteVideAndImage {
NSManagedObject *objectToBeDeleted = [self managedObject]; // Replace this with whatever you use to reference the managed object
NSManagedObjectContext *context = [objectToBeDeleted managedObjectContext];
[context deleteObject:objectToBeDeleted];
[self.navigationController popViewControllerAnimated:YES];
}
您有责任维护“数据源” - 仅仅修改表视图是不够的。事实上,最糟糕的情况是,您只能*修改数据源,然后在表视图上执行'reloadData',以使其从头开始重建可见表。 –