如何在使用laravel/socialite和facebook/graph-sdk时从控制器发送Facebook页面帖子？

use Laravel\Socialite\Facades\Socialite;
use Facebook\Facebook;

public function redirectToFacebook()
{
    return Socialite::driver('facebook')->redirect();
}

public function handleFacebookCallback()
{
    $user = Socialite::driver('facebook')->user();
    $accessToken = $user->token;
    // 将访问令牌存储在数据库或会话中以备后续使用
}

Route::get('auth/facebook', 'YourController@redirectToFacebook');
Route::get('auth/facebook/callback', 'YourController@handleFacebookCallback');

public function postToFacebookPage()
{
    $accessToken = // 从数据库或会话中获取访问令牌
    $pageId = // 目标Facebook页面的ID
    $message = // 要发布的帖子内容

    $fb = new Facebook([
        'app_id' => 'your-app-id',
        'app_secret' => 'your-app-secret',
        'default_graph_version' => 'v12.0',
    ]);

    try {
        $response = $fb->post("/$pageId/feed", ['message' => $message], $accessToken);
        $postId = $response->getDecodedBody()['id'];
        // 帖子成功发布，可以进行后续操作
    } catch (Facebook\Exceptions\FacebookResponseException $e) {
        // 处理Facebook API响应异常
    } catch (Facebook\Exceptions\FacebookSDKException $e) {
        // 处理Facebook SDK异常
    }
}