C# Facebook.FacebookClient类代码示例

        public FrmFacebookPost()
        {
            client = new FacebookClient();

            client.PostCompleted += (o, args) =>
            {

                if (args.Error != null)
                {
                    var error = args.Error as FacebookApiException;
                    if (error.ErrorCode == 190)
                    {
                        Dispatcher.BeginInvoke(() => MessageBox.Show("Authorization Error"));
                        SaveToken(null);
                        client.AccessToken = null;
                        return;
                    }
                    Dispatcher.BeginInvoke(() => MessageBox.Show(error.Message));
                    return;
                }

                var result = (IDictionary<string, object>)args.GetResultData();

                Dispatcher.BeginInvoke(() =>
                {
                    MessageBox.Show("Message posted successfully");
                    Browser.Visibility = System.Windows.Visibility.Collapsed;
                    Deployment.Current.Dispatcher.BeginInvoke(() =>
                    {
                        StrCommonObject = JsonConvert.SerializeObject(ObjCommon);
                        NavigationService.Navigate(new Uri("/Pages/FrmProgress.xaml?common=" + StrCommonObject, UriKind.Relative));
                    });
                });
            };

            if (GetToken() != null)
                client.AccessToken = GetToken();

            InitializeComponent();

            if (!NetworkInterface.GetIsNetworkAvailable())
            {
                Dispatcher.BeginInvoke(() => { MessageBox.Show("No Internet Connection, Try again later"); });
                return;
            }

            //If we already have an access token, then just post, otherwise move to the login page
            if (client.AccessToken == null)
            {
                var parameters = new Dictionary<string, object>();
                parameters["client_id"] = FBApiID;
                parameters["redirect_uri"] = "https://www.facebook.com/connect/login_success.html";
                parameters["response_type"] = "token";
                parameters["display"] = "touch";
                parameters["scope"] = ExtendedPermisions;
                Browser.Visibility = System.Windows.Visibility.Visible;
                string t = client.GetLoginUrl(parameters).AbsoluteUri;
                Browser.Navigate(client.GetLoginUrl(parameters));
            }
        }

        private async System.Threading.Tasks.Task RetriveUserInfo(AccessTokenData accessToken)
        {
            var client = new Facebook.FacebookClient(accessToken.AccessToken);

			dynamic result = null;
			bool failed = false;
			try
			{
				result = await client.GetTaskAsync("me?fields=id,birthday,first_name,last_name,middle_name,gender");
			}
			catch(Exception e)
			{
				failed = true;
			}
			if(failed)
			{
				MessageDialog dialog = new MessageDialog("Facebook is not responding to our authentication request. Sorry.");
				await dialog.ShowAsync();

				throw new Exception("Windows phone does not provide an exit function, so we have to crash the app.");
			}
            string fullName = string.Join(" ", new[] { result.first_name, result.middle_name, result.last_name });
            string preferredName = result.last_name;
            bool? gender = null;
            if (result.gender == "female")
            {
                gender = true;
            }
            else if (result.gender == "male")
            {
                gender = false;
            }
            DateTime birthdate = DateTime.UtcNow - TimeSpan.FromDays(365 * 30);
            if (result.birthday != null)
            {
                birthdate = DateTime.Parse(result.birthday);
            }

            var currentUser = new Facebook.Client.GraphUser(result);

            long facebookId = long.Parse(result.id);

            UserState.ActiveAccount = await Api.Do.AccountFacebook(facebookId);
            if (UserState.ActiveAccount == null)
            {
                Frame.Navigate(typeof(CreatePage), new CreatePage.AutofillInfo
                    {
                        SocialId = facebookId,
						Authenticator = Authenticator.Facebook,
                        Birthdate = birthdate,
                        FullName = fullName,
                        Gender = gender,
                        PreferredName = preferredName
                    });
            }
            else
            {
                Frame.Navigate(typeof(MainPage), UserState.CurrentId);
            }
        }

        public StreamItemCollection ExtendAccesstoken()
        {
            try
            {
                string accesstoken = "";

                string appid = "";
                string appsecret = "";

                FacebookClient client = new FacebookClient();
                dynamic Me = client.Get("oauth/access_token", new
                {
                    client_id = appid,
                    client_secret = appsecret,
                    grant_type = "fb_exchange_token",
                    fb_exchange_token = accesstoken,
                    redirect_uri ="http://www.example.com",
                });

            }
            catch (Exception exc)
            {

                throw;
            }

            return null;
        }

        public static void GetSampleWithoutAccessToken()
        {
            try
            {
                var fb = new FacebookClient();

                var result = (IDictionary<string, object>)fb.Get("/4");

                var id = (string)result["id"];
                var name = (string)result["name"];
                var firstName = (string)result["first_name"];
                var lastName = (string)result["last_name"];

                Console.WriteLine("Id: {0}", id);
                Console.WriteLine("Name: {0}", name);
                Console.WriteLine("First Name: {0}", firstName);
                Console.WriteLine("Last Name: {0}", lastName);
                Console.WriteLine();

                // Note: This json result is not the orginal json string as returned by Facebook.
                Console.WriteLine("Json: {0}", result.ToString());
            }
            catch (FacebookApiException ex)
            {
                // Note: make sure to handle this exception.
                throw;
            }
        }

        /// <summary>
        /// Posts the messages and Picture to the MQ163 Feeds
        /// </summary>
        /// <param name="postData">Data to be posted</param>
        /// <returns>Returns True: If posted successfully. 
        /// Exception: If post is unsuccessfull</returns>
        internal bool AddPost(IFacebookPostData postData)
        {
            try
            {
                string accessToken = GetPageAccessToken();
                string albumID = GetAlbumID();
                var fb = new FacebookClient();
                postData.AccessToken = accessToken;

                string path = string.Format("{0}/photos?access_token={1}", albumID, accessToken);
                dynamic publishResponse;
                if (null != postData.TaggedUserEmail)
                    publishResponse = client.PostTaskAsync(path, postData.GetPostObject(GetUserID(postData.TaggedUserEmail).Id));
                else
                    publishResponse = client.PostTaskAsync(path, postData.GetPostObject(String.Empty));

                while (publishResponse.Status == TaskStatus.WaitingForActivation) ;
                if (publishResponse.Status == TaskStatus.RanToCompletion)
                    return true;
                else if (publishResponse.Status == TaskStatus.Faulted)
                {
                    throw (new InvalidOperationException((((Exception)publishResponse.Exception).InnerException).Message, (Exception)publishResponse.Exception));
                }
                return false;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

 protected void procesRequest()
 {
     if (Request.QueryString["op"] == "twitter")
     {
         string twtProfileId = Request.QueryString["id"].ToString();
         User user = (User)Session["LoggedUser"];
         strTwtArray = objtwtStatsHelper.getNewFollowers(user, twtProfileId,15);
         strTwtFollowing = objtwtStatsHelper.getNewFollowing(user, twtProfileId,15);
         // strTwtAge = objtwtStatsHelper.GetFollowersAgeWise(user);
         strIncomingMsg = objtwtStatsHelper.getIncomingMsg(user, twtProfileId,15);
         strDmRecieve = objtwtStatsHelper.getDirectMessageRecieve(user, twtProfileId);
         strDMSent = objtwtStatsHelper.getDirectMessageSent(user, twtProfileId);
         strSentMsg = objtwtStatsHelper.getSentMsg(user, twtProfileId,15);
         strRetweet = objtwtStatsHelper.getRetweets(user, twtProfileId,15);
         strAgeDiff = objtwtStatsRepo.getAgeDiffCount(twtProfileId, 15);
         strEngagement = objtwtStatsHelper.getEngagements(user, twtProfileId, 15);
         strInfluence = objtwtStatsHelper.getInfluence(user, twtProfileId, 15);
         Response.Write(strTwtArray + "@" + strTwtFollowing + "@" + strIncomingMsg + "@" + strDmRecieve + "@" + strDMSent + "@" + strSentMsg + "@" + strRetweet + "@" + strAgeDiff + "@" + strEngagement + "@" + strInfluence);
     }
     if (Request.QueryString["op"] == "facebook")
     {
         string fbProfileId = Request.QueryString["id"].ToString();
         User user = (User)Session["LoggedUser"];
        // objfbstatsHelper.getAllGroupsOnHome.InnerHtml = fbUser;
         strFbAgeArray = objfbstatsHelper.getLikesByGenderAge(fbProfileId, user.Id, 10);
         strPageImpression = objfbstatsHelper.getPageImressions(fbProfileId, user.Id, 10);
         strLocationArray = objfbstatsHelper.getLocationInsight(fbProfileId, user.Id, 10);
         objfbstatsHelper.getPostDetails(fbProfileId, user.Id, 10);
         FacebookClient fb = new FacebookClient();
         fb.AccessToken = Request.QueryString["access"].ToString();
         dynamic pagelikes = fb.Get(fbProfileId);
         string strval = pagelikes.likes.ToString() + " Total Likes " + pagelikes.talking_about_count + " People talking about this.";
         Response.Write(strFbAgeArray + "_" + strPageImpression + "_" + strLocationArray + "_" + strval);
     }
 }

        /// <summary>
        /// test if the specified users are admins of the fan page
        /// </summary>
        ///
        /// <param name="localbusinessId">
        /// local business ID
        /// </param>
        /// 
        /// <param name="userIds">
        /// list of users to be tested (JSON formatted array)
        /// </param>
        ///
        /// <returns>
        /// standard response with dictionary of users and their corresponding
        /// role: admin or not
        /// </returns>
        public virtual JsonResult ArePageAdmins(long localbusinessId,
            string userIds)
        {
            var localBusiness = Repository.Get<LocalBusiness>(localbusinessId);
            if (!localBusiness.IsOwner(CurrentUser.Id))
            {
                return BuildFailureResult(-1,
                    App_GlobalResources.Errors.accessDenied);
            }

            var accessToken = localBusiness.FBFanPageAccessToken;
            if (string.IsNullOrEmpty(accessToken))
            {
                return BuildFailureResult(-1,
                    App_GlobalResources.Errors.facebookAccessTokenNotStored);
            }

            var fbApp = new FacebookClient(accessToken);

            var serializer = new JavaScriptSerializer();
            var users = serializer.Deserialize<string[]>(userIds);
            var rslt = Dror.Common.Utils.Facebook.AreAdmins(
                fbApp,
                localBusiness.FanPageId,
                users,
                Logger);

            return BuildSuccessResult(1, rslt);
        }

 private void btnGetFriendsList_Click(object sender, RoutedEventArgs e)
 {
     FacebookClient client = new FacebookClient(Token());
     string fqlFriendsList = "SELECT uid2 FROM friend where uid1=me()";
     client.GetCompleted += new EventHandler<FacebookApiEventArgs>(client_GetCompleted);
     client.QueryAsync(fqlFriendsList, Token());
 }

        public static void MultiQuery(string accessToken)
        {
            var query1 = "SELECT uid FROM user WHERE uid=me()";
            var query2 = "SELECT profile_url FROM user WHERE uid=me()";

            try
            {
                var fb = new FacebookClient(accessToken);

                var result = (IList<object>)fb.Query(query1, query2);

                var result0 = ((IDictionary<string, object>)result[0])["fql_result_set"];
                var result1 = ((IDictionary<string, object>)result[1])["fql_result_set"];

                Console.WriteLine("Query 0 result: {0}", result0);
                Console.WriteLine();
                Console.WriteLine("Query 1 result: {0}", result1);
                Console.WriteLine();

                // Note: This json result is not the orginal json string as returned by Facebook.
                Console.WriteLine("Json: {0}", result.ToString());
            }
            catch (FacebookApiException ex)
            {
                // Note: make sure to handle this exception.
                throw;
            }
        }

 public ActionResult Connect(string returnUrl)
 {
     // TODO: Rebuild functionality using CoffeeScript implementation and new C# API
     var fb = new FacebookClient();
     var loginUri = fb.GetLoginUrl(new { state = returnUrl });
     return Redirect(loginUri.AbsoluteUri);
 }

    //HTTPMODULE!!
    protected void Page_Load(object sender, EventArgs e)
    {
        if (HttpContext.Current.User.Identity.IsAuthenticated)
        {
            if (User.IsInRole("Triphulcas"))
                WelcomeMessage = Resources.Resource1.SnippetTriphulcasWelcomeMessage;

            if (!String.IsNullOrEmpty(User.AccessToken))
                {
                    try
                    {                        
                        var client = new FacebookClient(User.AccessToken);
                        dynamic result = client.Get("me", new { fields = "id" });
                        pImage.Src = String.Format(Resources.Resource1.FacebookPictureUrl, result.id);
                        pWelcome.InnerText = WelcomeMessage;
                        pLogout.Attributes.Remove("hidden");
                        pLogout.Attributes["style"] = "display:block";
                    }
                    catch (FacebookOAuthException)
                    {
                    }
                }            
        }
        
        else
        {
            //ugly, I know.
            pWelcome.InnerHtml = String.Format("{0} <a class=\"popup\" href=\"/authentication.aspx\">{1}</a>.", 
                Resources.Resource1.SnippetShowFaceBeforeLink, 
                Resources.Resource1.SnippetShowFaceLink);
        }
    }

        public static FacebookClient GetClient(bool reload=false)
        {
            if (reload)
               client = null;
               if (client!=null)
               {
               return client;
               }

               try
               {
               client = new FacebookClient(Data.Get("token"));

               me = client.Get("me/");

               }
               catch (WebExceptionWrapper)
               {
               throw new NoConnection();
               }
               catch (Exception)
               {

               return null;
               }

               return client;
        }

        private void btnUpload_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrWhiteSpace(_filename))
            {
                MessageBox.Show("Please select the image file first.");
                return;
            }

            var mediaObject = new FacebookMediaObject
            {
                ContentType = "image/jpeg",
                FileName = Path.GetFileName(_filename)
            }
                                  .SetValue(File.ReadAllBytes(_filename));

            progressBar1.Value = 0;

            var fb = new FacebookClient(_accessToken);
            fb.UploadProgressChanged += fb_UploadProgressChanged;
            fb.PostCompleted += fb_PostCompleted;

            // for cancellation
            _fb = fb;

            fb.PostAsync("/me/photos", new Dictionary<string, object> { { "source", mediaObject } });
        }

 protected BaseController(IRepository repository, FacebookClient app,
     ILogger logger)
 {
     Repository = repository;
     FacebookApp = app;
     Logger = logger;
 }

        public Dictionary<DateTime, int> getFacebookPageLikes(string PageId, string Accesstoken, int days)
        {


            //string accesstoken = "CAACEdEose0cBAMQVEgKsHtUogOZCQ9vtBZB6FjsUWuZCVEzVUU01yecHqo1fVpTfQq65tmMUfmlafhmGtzmUY6ZCmZBrEXWMp1sfBLMvtdB7c1HBkSBGxbqT0q0nQY6ZBmtPBhg84IrXy4jBjRdMmP1Mh8hlOC9TRuy86jabDi2ccOyeRXYVZA7vuj4HDYgLhrwlNubCYvkENa6nPuY1PCgkuCv1cS8rXMZD";
            try
            {
                long since = DateTime.Now.AddDays(-days).ToUnixTimestamp();
                long until = DateTime.Now.ToUnixTimestamp();
                FacebookClient fb = new FacebookClient();
                fb.AccessToken = Accesstoken;
                //dynamic kasdfj = fb.Get("v2.3/me/permissions");
                dynamic kajlsfdj = fb.Get("v2.0/" + PageId + "/insights/page_fans?pretty=0&since=" + since.ToString() + "&suppress_http_code=1&until=" + until.ToString());
                string facebookSearchUrl = "https://graph.facebook.com/v2.3/" + PageId + "/insights/page_fans?pretty=0&since=" + since.ToString() + "&suppress_http_code=1&until=" + until.ToString() + "&access_token=" + Accesstoken;
                string outputface = getFacebookResponse(facebookSearchUrl);
                Dictionary<DateTime, int> LikesByDay = new Dictionary<DateTime, int>();
                LikesByDay = getFacebookLikesDictonary(outputface);

                return LikesByDay;
            }
            catch (Exception ex)
            {
                return new Dictionary<DateTime, int>();
            }

        }