获取当前用户的UserId的最佳方法是什么 [英] What is the best way to get the UserId of the current user

问题描述

如何获取Face Book当前用户ID.我想避免请求权限，因为我的用户只是在浏览，我只想看看他们以前是否做过此事.

How to get Face Book Current UserId . I would like to avoid asking for permissions since my users are just browsing and i only want to see if they have done this before.

推荐答案

使用Facebook c#sdk:

using Facebook c# sdk:

 string signedRequest = Request.Form["signed_request"];
     var DecodedSignedRequest = FacebookSignedRequest.Parse(Facebook.Web.FacebookWebContext.Current.Settings.AppSecret, signedRequest);
                    dynamic SignedRequestData = DecodedSignedRequest.Data;
         accessToken = (String)SignedRequestData.oauth_token;
                        var app = new FacebookWebClient();
                        var me = (IDictionary<string, object>)app.Get("me");
                        firstName = (string)me["name"];
                        U_Id = (string)me["id"];

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