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我想将消息发布到不同网络中的 yammer。为此，我编写了以下代码，它给出了服务器未找到异常。

               rawtoken = Security.GetRawToken();

                //TODO
                //get list of Yammer tokens for this user
                WebClient wc = new System.Net.WebClient();
                wc.DownloadStringCompleted += wc_DownloadStringCompleted;
                wc.DownloadStringAsync(new Uri("https://www.yammer.com/api/v1/oauth/tokens.json?access_token=" + rawtoken));
 void wc_DownloadStringCompleted(object sender, System.Net.DownloadStringCompletedEventArgs e)
    {
        string tokens = e.Result;
        MessageBox.Show(tokens);
        List<Response> myDeserializedObjList = (List<Response>)Newtonsoft.Json.JsonConvert.DeserializeObject(tokens,typeof(List<Response>));
        List<Response> response = myDeserializedObjList.Where(item => item.network_id == "992371").ToList();
        accessToken = response[0].token;

        WebClient wc = new System.Net.WebClient();
       Uri uri = new Uri("https://www.yammer.com/api/v1/messages.json?access_token=" + accessToken);

        student ns = new student();
      //  wc.Headers["Authorization"] = "Bearer " + accessToken;  //use discoEN token here
        String data = "group-id=" + ns.group_id + "&body=" + ns.body;
        wc.UploadStringCompleted += new UploadStringCompletedEventHandler(wc_UploadStringCompleted);
        wc.Headers["Content-Type"] = "application/x-www-form-urlencoded";
        wc.Encoding = Encoding.UTF8;
        wc.UploadStringTaskAsync(uri, data);

    }

    private void wc_UploadStringCompleted(object sender, UploadStringCompletedEventArgs e)
    {
        MessageBox.Show(e.Result);
    }
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1 回答 1

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您应该使用适用于 Windows Mobile 的 SDK，而不是滚动您自己的代码。它可从Yammer 开发人员站点获得。您的代码还会通过 URL 参数传递令牌。这不再受支持，您需要在身份验证标头上传递它。

ServerNotFoundException 突出显示连接问题。也许您没有连接到网络，无法路由连接，或者无法通过 DNS 解析 www.yammer.com。

于 2013-12-23T18:41:43.127 回答