我可以让照片出现在用户的提要中，但只有第一张照片。之后上传连续照片仍会将照片添加到名为我的应用程序的相册中，但它似乎对提要没有做任何其他事情。
NSURL *requestUrl = [NSURL URLWithString:[NSString stringWithFormat:@"https://graph.facebook.com/me/photos?access_token=%@",self.fbAccessToken]];
self.fbRequest = [ASIFormDataRequest requestWithURL:requestUrl];
[self.fbRequest setTimeOutSeconds:60];
self.fbRequest .uploadProgressDelegate = self;
self.fbRequest .delegate = self;
self.fbRequest .requestMethod = @"POST";
[self.fbRequest setPostValue:[item customValueForKey:@"status"] forKey:@"message"];
[self.fbRequest addData:UIImagePNGRepresentation(item.image) forKey:@"source"];
self.fbRequest.tag = RequestStepUpload;
[self.fbRequest startAsynchronous];