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我正在使用以下代碼嘗試上傳模型中的NSManagedObject(可能是不正確的術語)。NSManagedObject不會進入模型
請你能告訴我問題是什麼。
CDImage *image = [NSEntityDescription insertNewObjectForEntityForName:@"Image" inManagedObjectContext:[self managedObjectContext]];
[image setDate:[NSDate date]];
[image setImage:UIImagePNGRepresentation([_imageView image])];
[image setLocation:[dict objectForKey:@"location"]];
[image setUrl:[dict objectForKey:@"url"]];
CDImage.m
@synthesize url, date, image, location;
- (void) dealloc {
[url release];
[date release];
[image release];
[location release];
[super dealloc];
}
我的模型:
獲取對象:
- (void) refreshArray {
if ([[self cdArray] isEqual:nil]) {
[self setCdArray:[[NSMutableArray alloc] init]];
}
[cdArray removeAllObjects];
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
NSError *error = nil;
NSEntityDescription *entity = [NSEntityDescription entityForName:@"Image"
inManagedObjectContext:[self managedObjectContext]];
[fetchRequest setEntity:entity];
NSArray *fetchedObjects = [[self managedObjectContext] executeFetchRequest:fetchRequest error:&error];
for (CDImage *image in fetchedObjects) {
[cdArray addObject:image];
[[self tableView] reloadRowsAtIndexPaths:[NSArray arrayWithObject:[NSIndexPath indexPathForRow:[cdArray indexOfObject:image] inSection:0]] withRowAnimation:UITableViewScrollPositionMiddle];
}
[[self tableView] reloadData];
NSLog(@"%d", [cdArray count]);
NSLog(@"IN REFRESH ARRAY");
[fetchRequest release];
}