我使用php在youtube上上传视频。如何获取它的访问代码？

我使用php在youtube上上传视频。如何获取它的访问代码？我正在使用以下代码。它给我的响应是响应不匹配 $OAUTH2_CLIENT_ID='my_CLIENT_key'

    $OAUTH2_CLIENT_SECRET = 'my_client_secret';

    $client = new Google_Client();
    $client->setClientId($OAUTH2_CLIENT_ID);
    $client->setClientSecret($OAUTH2_CLIENT_SECRET);
    $client->setScopes('https://www.googleapis.com/auth/youtube');
    $redirect = filter_var('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'],
        FILTER_SANITIZE_URL);
    $client->setRedirectUri($redirect);

    // Define an object that will be used to make all API requests.
    $youtube = new Google_Service($client);
    if (isset($_GET['code'])) {
      if (strval($_SESSION['state']) !== strval($_GET['state'])) {
        die('The session state did not match.');
      }

      $client->authenticate($key);
      print_r($client->authenticate($_GET['code']));die;
      $_SESSION['token'] = $client->getAccessToken();
      $redirect.="?r=site/UploadYoutubeVideo";
      header('Location: ' . $redirect);
    }

    if (isset($_SESSION['token'])) {
      $client->setAccessToken($_SESSION['token']);
    }

    // Check to ensure that the access token was successfully acquired.
    if ($client->getAccessToken()) {
      try{
        // REPLACE this value with the path to the file you are uploading.
        $videoPath = "images/video.mp4";

        // Create a snippet with title, description, tags and category ID
        // Create an asset resource and set its snippet metadata and type.
        // This example sets the video's title, description, keyword tags, and
        // video category.
        $snippet = new Google_Service_YouTube_VideoSnippet();
        $snippet->setTitle("Test title");
        $snippet->setDescription("Test description");
        $snippet->setTags(array("tag1", "tag2"));

        // Numeric video category. See
        // https://developers.google.com/youtube/v3/docs/videoCategories/list 
        $snippet->setCategoryId("22");

        // Set the video's status to "public". Valid statuses are "public",
        // "private" and "unlisted".
        $status = new Google_Service_YouTube_VideoStatus();
        $status->privacyStatus = "public";

        // Associate the snippet and status objects with a new video resource.
        $video = new Google_Service_YouTube_Video();
        $video->setSnippet($snippet);
        $video->setStatus($status);

        // Specify the size of each chunk of data, in bytes. Set a higher value for
        // reliable connection as fewer chunks lead to faster uploads. Set a lower
        // value for better recovery on less reliable connections.
        $chunkSizeBytes = 1 * 1024 * 1024;

        // Setting the defer flag to true tells the client to return a request which can be called
        // with ->execute(); instead of making the API call immediately.
        $client->setDefer(true);

        // Create a request for the API's videos.insert method to create and upload the video.
        $insertRequest = $youtube->videos->insert("status,snippet", $video);

        // Create a MediaFileUpload object for resumable uploads.
        $media = new Google_Http_MediaFileUpload(
            $client,
            $insertRequest,
            'video/*',
            null,
            true,
            $chunkSizeBytes
        );
        $media->setFileSize(filesize($videoPath));


        // Read the media file and upload it chunk by chunk.
        $status = false;
        $handle = fopen($videoPath, "rb");
        while (!$status && !feof($handle)) {
          $chunk = fread($handle, $chunkSizeBytes);
          $status = $media->nextChunk($chunk);
        }

        fclose($handle);

        // If you want to make other calls after the file upload, set setDefer back to false
        $client->setDefer(false);


        $htmlBody .= "<h3>Video Uploaded</h3><ul>";
        $htmlBody .= sprintf('<li>%s (%s)</li>',
            $status['snippet']['title'],
            $status['id']);

        $htmlBody .= '</ul>';
        print_r($htmlBody);

      } catch (Google_Service_Exception $e) {
        $htmlBody .= sprintf('<p>A service error occurred: <code>%s</code></p>',
            htmlspecialchars($e->getMessage()));
      } catch (Google_Exception $e) {
        $htmlBody .= sprintf('<p>An client error occurred: <code>%s</code></p>',
            htmlspecialchars($e->getMessage()));
      }

      $_SESSION['token'] = $client->getAccessToken();
    } else {
      // If the user hasn't authorized the app, initiate the OAuth flow
      $state = mt_rand();
      $client->setState($state);
      $_SESSION['state'] = $state;

      $authUrl = $client->createAuthUrl();
      $htmlBody = "END
      <h3>Authorization Required</h3>
      <p>You need to <a href=".$authUrl.">authorize access</a> before proceeding.<p>
    END";
        print_r($htmlBody);
    }

---

检查

origins

和

Redirect uri

设置是否正确，以防出现任何错误？是400。那是个错误。错误：重定向\u uri\u不匹配应用程序：IsmartPrechooladmin请求中的重定向uri:与注册的重定向uri不匹配。请求详细信息访问\u类型=联机批准\u提示符=自动范围=响应\u类型=代码重定向\u uri=状态=11631170 pageId=无客户id=437782444891-Loupoqiu59KL2JJTUHSRPK9NCLGHF4D.apps.googleusercontent.co