PHP取得阿里雲accessToken

composer require alibabacloud/sdk

red->ttl($key);
        if ($ttl == -2) { //    
            /**
             *    ：         
             *      RAM   AccessKey ID AccessKey Secret    
             */
            AlibabaCloud::accessKeyClient(
                C('ALI.AccessKeyID'),
                C('ALI.AccessKeySecret')
            )
                ->regionId("cn-shanghai")
                ->asDefaultClient();
            try {
                $response = AlibabaCloud::nlsCloudMeta()
                    ->v20180518()
                    ->createToken()
                    ->request();
                // print $response . "
";
                $token = $response["Token"];

                if ($token != NULL) {
                    // print "Token     ：
";
                    // print_r($token);
                    $difftime = $token['ExpireTime'] - time() - 1000;
                    $this->red->setex($key, $difftime, $token['Id']);
                    return $token['Id'];
                } else {
                    return false;
                }
            } catch (ClientException $exception) {
                //       
                return false;
                // print_r($exception->getErrorMessage());
            } catch (ServerException $exception) {
                //       
                return false;
                // print_r($exception->getErrorMessage());
            }
        } else {
            return $this->red->get($key);
        }
    }
}