Model\Message::getGlobalMessage PHP Method

    public static function getGlobalMessage()
    {
        $stn = DB::getInstance()->prepare("SELECT * FROM `message` WHERE pushUsers=-2 AND `id` BETWEEN 1 AND 4 ORDER BY id ASC");
        $stn->execute();
        return $stn->fetchAll(DB::FETCH_CLASS, __CLASS__);
    }

 /**
  * Login
  *
  * @JSON
  */
 public function login()
 {
     /**
      * 1. 判断用户是否已经登录,
      *      若已经登录,则直接跳转到控制面板(仪表盘)中.
      * 2. 加载登录页面模板,进入登录页面.
      */
     $user = User::getCurrent();
     if ($user->uid) {
         header("Location:/member");
     } else {
         if (isset($_REQUEST['email']) && isset($_REQUEST['passwd'])) {
             $result = array('error' => 1, 'message' => '账户不存在啊喂!');
             $email = htmlspecialchars(trim($_REQUEST['email']));
             $passwd = htmlspecialchars(trim($_REQUEST['passwd']));
             $remember_me = htmlspecialchars(trim($_REQUEST['remember_me']));
             $user = User::getUserByEmail($email);
             if ($user) {
                 if ($user->verifyPassword($passwd)) {
                     $result['error'] = 0;
                     $result['message'] = '登录成功,即将跳转到 >仪表盘';
                     $remember_me == 'week' ? $ext = 3600 * 24 * 7 : ($ext = 3600);
                     $expire = time() + $ext;
                     $token = md5($user->uid . ":" . $user->email . ":" . $user->passwd . ":" . $expire . ":" . COOKIE_KEY);
                     setcookie("uid", base64_encode(Encrypt::encode($user->uid, ENCRYPT_KEY)), $expire, "/");
                     setcookie("expire", base64_encode(Encrypt::encode($expire, ENCRYPT_KEY)), $expire, "/");
                     setcookie("token", base64_encode(Encrypt::encode($token, ENCRYPT_KEY)), $expire, "/");
                     $_SESSION['currentUser'] = $user;
                     Logger::getInstance()->info('user [' . $user->email . '] Login success');
                 } else {
                     $result['message'] = "账户名或密码错误, 请检查后再试!";
                     Logger::getInstance()->info('user [' . $user->email . '] Login failed! wrong password');
                 }
             }
             return $result;
         } else {
             $data['globalMessage'] = MessageModel::getGlobalMessage();
             Template::setContext($data);
             Template::setView('panel/login');
         }
     }
 }