【问题标题】:upload multiple images to facebook using SLRequest使用 SLRequest 将多张图片上传到 Facebook
【发布时间】:2025-11-22 08:10:01
【问题描述】:

我有两种方法可以将图片分享到 Facebook。

SDK 方式(完美运行):

FBSDKSharePhotoContent *content = [[FBSDKSharePhotoContent alloc] init];

    NSMutableArray *uploadImages = [[NSMutableArray alloc] init];
    for (UIImage *image in images) {
        FBSDKSharePhoto *sharePhoto = [[FBSDKSharePhoto alloc] init];
        sharePhoto.caption = title;
        sharePhoto.image = image;

        [uploadImages addObject:sharePhoto];
    }
    content.photos = [NSArray arrayWithArray:uploadImages];

    [FBSDKShareAPI shareWithContent:content delegate:self];

和SLRequest方式(只发送1张图片):

+ (void)uploadPhotoToFacebook:(NSMutableArray *)imagesData imageTitle:(NSString *)title account:(ACAccount*)account completionBlock:(shareSocialResponse)completion
{
    SLRequest *facebookRequest = [SLRequest requestForServiceType:SLServiceTypeFacebook
                                                    requestMethod:SLRequestMethodPOST
                                                              URL:[NSURL URLWithString:@"https://graph.facebook.com/me/photos"]
                                                       parameters:@{@"message": title}];

    for (NSData *imageData in imagesData) {
        [facebookRequest addMultipartData:imageData
                                 withName:@"source"
                                     type:@"multipart/form-data"
                                 filename:@"photo!"];
    }
    NSLog(@"facebookRequest %@",facebookRequest);
    facebookRequest.account = account;
    [facebookRequest performRequestWithHandler:^(NSData *responseData, NSHTTPURLResponse *urlResponse, NSError *error)
    {
        if (error) {
            NSLog(@"%@",error.description);

        } else {
            NSDictionary *returnedData = [NSJSONSerialization JSONObjectWithData:responseData options:NSJSONReadingMutableContainers error:&error];
            NSLog(@"returnedData: %@", [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding]);

            if ([urlResponse statusCode] != 200) {

                dispatch_async(dispatch_get_main_queue(), ^{
                    NSString *errorMessage = @"We could not process your request now";
                    if ([returnedData valueForKeyPath:@"error.message"] != nil) {
                        errorMessage = [returnedData valueForKeyPath:@"error.message"];
                    }
                    completion(NO, errorMessage);
                });
            } else {
                completion(YES, @"Your clip was posted!");
            }
        }
    }];
}

我相信如果在多部分中发送的每个数据都可以工作,但不是。

有人知道怎么做吗?谢谢。

【问题讨论】:

    标签: ios objective-c facebook image-uploading slrequest


    【解决方案1】:

    facebook 文档中有一些文章可能对您有所帮助。

    https://developers.facebook.com/docs/graph-api/making-multiple-requests

    因此,在您的情况下,您需要在请求中发送一个名为 batch 的字段,并且每个文件都必须附加一个唯一的名称,这样它就不会被另一个文件重写。

    batch 字段的内容将是一个 json,您将在其中指定请求的端点,如下所示(缩小 btw):

    [
      {
        "method": "POST",
        "relative_url": "me/photos",
        "body": "message=labrys",
        "attached_files": "file1"
      },
      {
        "method": "POST",
        "relative_url": "me/photos",
        "body": "message=circle",
        "attached_files": "file2"
      }
    ]
    

    我用邮递员试过了,那个请求的设置应该是这样的:

    很抱歉没有发布代码,我不精通目标 C,但我希望你能明白这一点。

    【讨论】: