//composer require qiniu/php-sdk 下载sdk  public function index()    {        require_once 'vendor/qiniu/php-sdk/autoload.php';        $accessKey = C('ACCESSKEY');        $secretKey = C('SECRETKEY');        // 构建鉴权对象        classLoader('Auth');        $auth = new Auth($accessKey,$secretKey);        // 要上传的空间        $bucket = C('BUCKET');        $token = $auth->uploadToken($bucket);        $this->assign('token',$token);        $this->display();    }

　　 <script src="__PUBLIC__/jquery-2.0.3.min.js"></script>