public function __construct() { if (empty(Config::$partner)) { throw new \Exception('请设置商户ID'); } Config::$cacert = realpath('batch-trans/cert/cacert.pem'); $this->alipay_submit = new \AlipaySubmit(['partner' => Config::$partner, 'key' => Config::$key, 'sign_type' => Config::$sign_type, 'input_charset' => Config::$input_charset, 'cacert' => Config::$cacert, 'transport' => Config::$transport]); }