AFNetworking 3.0 无法读取数据,因为它的格式不正确

AFNetworking 3.0 The data couldn’t be read because it isn’t in the correct format

还有其他标题相似的问题,但其中 none 对我有所帮助。我必须向服务器发送 PUT 请求以更改约会状态,所以我制作了此方法 -(void)appointmentStatusChangedTo:(NSString *)statusID atAppointmentID:(NSString *)appointmentID,其中我将 URL 和参数设置为

NSString *string = [NSString stringWithFormat:@"%@/API/Appointments/3",BaseURLString];
    NSDictionary *para = @{
                           @"AppointmentStatusId":statusID,
                           @"ID":appointmentID
                           };

然后我URL请求

AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];

    NSMutableURLRequest *req = [[AFJSONRequestSerializer serializer] requestWithMethod:@"PUT" URLString:string parameters:para error:nil];

之后,我将授权令牌的 header 设置为

 NSString *token = [NSString stringWithFormat:@"Bearer %@",[[NSUserDefaults standardUserDefaults] objectForKey:@"userToken"]];

    [req setValue:token forHTTPHeaderField:@"Authorization"];

所以最后我称它为

[[manager dataTaskWithRequest:req completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error){
        if (!error) {
            if (response) {
                NSLog(@"Respose Object: %@",responseObject);
                [self.patientsAppointmentsTableView reloadData];
            }
        }
        else {
    // NSLog(@"Error: %@, %@, %@", error, response, responseObject);
    NSLog(@"Error: %@", error.localizedDescription);
}
        }] resume];

现在它已成功将数据发送到服务器,但作为响应我得到了

Error: The data couldn’t be read because it isn’t in the correct format.

我不确定目前的响应是什么样的,因为我没有与后端人员联系。但据我所知,这只是一个简单的 1。请告诉我如何使用 AFNetworking 3.0 或我的代码中的任何更改来处理任何类型的响应。

尝试使用下面的代码:

AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];

AFJSONRequestSerializer *serializer = [AFJSONRequestSerializer serializer];
[serializer setStringEncoding:NSUTF8StringEncoding];

manager.requestSerializer=serializer;
manager.responseSerializer = [AFHTTPResponseSerializer serializer];

使用 Afnetworking 3.0 尝试以下代码

AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    manager.responseSerializer = [AFJSONResponseSerializer serializer];
    [manager GET:url parameters:nil progress:nil success:^(NSURLSessionTask *task, id responseObject) {
        NSLog(@"%@",responseObject);
        self.responseHandlers(YES,responseObject);
    } failure:^(NSURLSessionTask *operation, NSError *error) {
        self.responseHandlers(NO,nil);
    }];