src/DdvRestfulApi/Lib/Auth.php
public function getAuthorization()
    {
        if (empty($this->authorization)) {
            throw new AuthErrorException('Authentication Info Length Error', 'AUTHORIZATION_ERROR_INFO_LENGTH', 403);
        }
        return is_string($this->authorization) ? $this->authorization : '';
    }
public function getAuthorization()
    {
        if (empty($this->authorization)) {
            throw new AuthErrorException('Authentication Info Length Error', 'AUTHORIZATION_ERROR_INFO_LENGTH', 403);
        }
        return is_string($this->authorization) ? $this->authorization : '';
    }
获取授权签名信息
@return null|string