public function loadModel($id)
{
$model = \app\models\Banner::findOne($id);
if ($model === null) {
throw new \yii\web\HttpException(404, 'Запрашиваемая страница не существует.');
}
return $model;
}
public function uniquedName($attribute, $params)
{
if (!$this->hasErrors()) {
$banner = Banner::findOne(['name' => $this->name]);
if ($banner) {
$this->addError($attribute, '该导航名已存在');
}
}
}
/**
* Finds the Banner model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Banner the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Banner::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
