Facebook错误（＃200）用户尚未授权应用程序执行此操作 [英] Facebook Error (#200) The user hasn't authorized the application to perform this action

问题描述

我有以下内容：

         // my facebook page
        var pageId = facebookPageId;

        var app = new FacebookClient();
        dynamic fbResult = app.Get("oauth/access_token", new {
            client_id = facebookAppId,
            client_secret = facebookAppSecret,
            grant_type = "client_credentials"
        });
        app.AccessToken = fbResult.access_token;

        dynamic messagePost = new ExpandoObject();
        messagePost.access_token = app.AccessToken;
        messagePost.link = "www.google.com";
        messagePost.name = "some name";
        messagePost.caption = "{test actor} " + "Test message"; //<---{*actor*} is the user (i.e.: Aaron)
        messagePost.description = "Test description";

        try {
            var result = app.Post("/" + pageId + "/feed", messagePost);
        } catch (FacebookOAuthException ex) {
            var test = ex;
        } catch (FacebookApiException ex) {
            var test = ex;
        }

但是我总是得到（＃200）用户没有授权应用程序执行此操作。我究竟做错了什么？这是我拥有的一个页面 - 但是我看不到如何将POST权限授予我的应用程序。

Yet I always get (#200) The user hasn't authorized the application to perform this action as a result. What am I doing wrong? It's a page that I own - but I don't see how to go about granting POST permissions to my app.

推荐答案

用户需要 publish_actions 权限。
实施登录对话框供用户授予 publish_actions

您正在使用应用程序访问令牌。

You are using an application access token.

• https://developers.facebook.com/docs/facebook-login/permissions/v2.2


• https://developers.facebook.com/docs/graph-api/reference/ v2.2 / page / feed＃publish

• https://developers.facebook.com/docs/facebook-login/permissions/v2.2
• https://developers.facebook.com/docs/graph-api/reference/v2.2/page/feed#publish

要授予权限通过Graph API资源管理器

To grant permissions via the Graph API Explorer

从下拉菜单中选择您的应用程序

Select your app from the dropdown menu

然后通过单击获取访问令牌选择权限，然后选择 publish_actions <扩展权限下，最后点击get token。

Then select the permission by clicking "Get Access Token" then selecting publish_actions under Extended Permissions, and finally click get token.

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