我现在明白了,谢谢@dbarthelemy。但是这里是我的代码现在我收到的没有错误/终止“结果匹配查询”:如何将信息添加到PFObject而不创建全新的信息?
- (IBAction)createGroup:(id)sender {
PFObject *message = [PFObject objectWithClassName:@"Messages"];
[message setObject:self.recipients forKey:@"recipientIds"];
[message saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
if (error) {
NSLog(@"Error %@ %@", error, [error userInfo]);
}
else [self performSegueWithIdentifier:@"showDate" sender:self];
}];
}
然后第二控制器上:
PFQuery *message = [PFQuery queryWithClassName:@"Message"];
[message getObjectInBackgroundWithId:@"recipientIds" block:^(PFObject *message, NSError *error) {
[message setObject:file forKey:@"file"];
[message setObject:fileType forKey:@"fileType"];
[message setObject:[[PFUser currentUser] objectId] forKey:@"senderId"];
[message setObject:[[PFUser currentUser] username] forKey:@"senderName"];
[message saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
请务必在Parse论坛上提出这个问题,如果您还没有这样做 – jsetting32