common防非法登录

// 本类由系统自动生成，仅供测试用途
namespace Admin\Controller;
use Think\Controller;
class CommonController extends Controller {
   public function __construct(){
        parent::__construct();
        $session=session("admin");
        $cookie=cookie("admin");
        //处理七天免登陆
        if(empty($session)&&!empty($cookie)){
            $session=$cookie;
            session("admin",$cookie);
        }
        //防非法登录
        if(empty($session)){
            $this->redirect('Login/login');
            exit;
        }
    }
}