/**
* List food
* @return type
*/
public function actionIndex()
{
$page = Yii::$app->request->get('page', 1);
$row_per_page = Yii::$app->request->get('row_per_page', 10);
$keyword = Yii::$app->request->get('keyword', '');
$food = new Category();
list($max_page, $count, $data) = $food->getData($keyword, $page, $row_per_page);
$router = 'category/index';
return $this->render('index', ['max_page' => $max_page, 'count' => $count, 'row_per_page' => $row_per_page, 'page' => $page, 'data' => $data, 'router' => $router, 'keyword' => $keyword]);
}