七牛云7.0的SDK私有下载

<code>use Qiniu\Auth;

$accessKey = 'Access_Key';
$secretKey = 'Secret_Key';

// 构建鉴权对象
$auth = new Auth($accessKey, $secretKey);

// 要上传的空间
$bucket = 'rainwsy';

// 私有空间中的外链 http://<domain>/<file_key>
$baseUrl = 'http://7xox85.com1.z0.glb.clouddn.com/resume.doc';
// 对链接进行签名
$signedUrl = $auth->privateDownloadUrl($baseUrl);

echo $signedUrl;</file_key></domain></code>

<code>public function privateDownloadUrl($baseUrl, $expires = 3600)
    {
        $deadline = time() + $expires;

        $pos = strpos($baseUrl, '?');
        if ($pos !== false) {
            $baseUrl .= '&e=';
        } else {
            $baseUrl .= '?e=';
        }
        $baseUrl .= $deadline;

        $token = $this->sign($baseUrl);
        return "$baseUrl&token=$token";
    }</code>