/**
  * 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 $id the ID of the model to be loaded
  * @return Tucao the loaded model
  * @throws CHttpException
  */
 public function loadModel($id)
 {
     $model = Tucao::model()->findByPk($id);
     if ($model === null) {
         throw new CHttpException(404, 'The requested page does not exist.');
     }
     return $model;
 }
 public function actionOppose()
 {
     if (!Yii::app()->request->isPostRequest) {
         echo 'failed';
         die;
     }
     $tucao_id = $_POST['tucao_id'];
     $model = Tucao::model()->findByPk($tucao_id);
     $model->oppose++;
     $model->save() or die(' 保存失败');
     echo 'success';
 }