我正在使用谓词在核心数据中查找对象。我可以成功找到我想要的对象,但我还需要获取该对象的 indexPath,以便我可以推送该对象的详细信息视图。目前我有以下代码来获取我的对象:
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
[fetchRequest setEntity:[NSEntityDescription entityForName:@"Ride" inManagedObjectContext:self.managedObjectContext]];
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"title = %@ AND addressFull = %@", view.annotation.title, view.annotation.subtitle];
[fetchRequest setPredicate:predicate];
NSMutableArray *sortDescriptors = [NSMutableArray array];
[sortDescriptors addObject:[[[NSSortDescriptor alloc] initWithKey:@"title" ascending:YES] autorelease]];
[sortDescriptors addObject:[[[NSSortDescriptor alloc] initWithKey:@"addressFull" ascending:YES] autorelease]];
[fetchRequest setSortDescriptors:sortDescriptors];
[fetchRequest setReturnsObjectsAsFaults:NO];
[fetchRequest setPropertiesToFetch:[NSArray arrayWithObjects:@"title", @"addressFull", nil]];
NSError *error = nil;
NSArray *fetchedItems = [self.managedObjectContext executeFetchRequest:fetchRequest error:&error];
// Sohow what record we returned
NSLog(@"%@",[fetchedItems objectAtIndex:0]);
所以,我可以正确地将我的对象放入一个数组中。 但是如何将该对象转换为 indexPath?