public function before($context)
 {
     parent::before($context);
     $userInfo = $context->request->getCookie('userinfo');
     $inspector = DAL::get()->find_by_userid('inspector', $userInfo['id']);
     $user = DAL::get()->find('user', $userInfo['id']);
     DBC::requireTrue(Inspector::isInSpector($user), '你没有权限访问');
     $leaderGroup = DAL::get()->queryBuAndSaleLeaderIdAndAdmin("Inspector");
     DBC::requireTrue(in_array($inspector->id, $leaderGroup), "没有操作权限!");
     $context->response->curInspector = $inspector;
 }