org\upload\driver\qiniu\QiniuStorage::accessToken PHP Method

    public function accessToken($url, $body = '')
    {
        $parsed_url = parse_url($url);
        $path = $parsed_url['path'];
        $access = $path;
        if (isset($parsed_url['query'])) {
            $access .= "?" . $parsed_url['query'];
        }
        $access .= "\n";
        if ($body) {
            $access .= $body;
        }
        return self::sign($this->sk, $this->ak, $access);
    }