public function actionIndex()
 {
     $this->pageTitle = "论坛首页";
     // 论坛公告
     $notices = Notices::model()->find();
     // 讨论区类别
     $bbsType = BbsType::model()->findAll();
     // 话题计数
     $bbsCount = BbsInfo::model()->count();
     // 回帖计数
     $revCount = Reviews::model()->count();
     // 用户计数
     $userCount = UserInfo::model()->count();
     // 绑定数据
     $data = array('notices' => $notices, 'bbsType' => $bbsType, 'bbsCount' => $bbsCount, 'revCount' => $revCount, 'userCount' => $userCount);
     $this->render('index', $data);
 }
 /**
  * Returns the data model based on the primary key given in the GET variable.
  * If the data model is not found, an HTTP exception will be raised.
  * @param integer $id the ID of the model to be loaded
  * @return Notices the loaded model
  * @throws CHttpException
  */
 public function loadModel($id)
 {
     $model = Notices::model()->findByPk($id);
     if ($model === null) {
         throw new CHttpException(404, 'The requested page does not exist.');
     }
     return $model;
 }