cmeb 上传文件到阿里云

/**
 * 上传文件
 * @return \think\response\Json
 */
public function uploadfile()
{
    $aliyunOss = \Api\AliyunOss::instance([
        'AccessKey' => SystemConfigService::get('accessKeyId'),
        'AccessKeySecret' => SystemConfigService::get('accessKeySecret'),
        'OssEndpoint' => SystemConfigService::get('end_point'),
        'OssBucket' => SystemConfigService::get('OssBucket'),
        'uploadUrl' => SystemConfigService::get('uploadUrl'),
    ]);
    $res = $aliyunOss->upload('file');
    if ($res) {
        return JsonService::successful('上传成功', ['url' => $res['url']]);
    } else {
        return JsonService::fail('上传失败');
    }
}