yii2组件之下拉框带搜索功能的示例代码（yii(2)

//controller层 public function actionSearchTitle ($q) { \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON; $out = ['results' => ['id' => '', 'text' => '']]; if (!$q) { return $out; } $data = Article::find() ->select('id, title as text') ->andFilterWhere(['like', 'title', $q]) ->limit(50) ->asArray() ->all(); $out['results'] = array_values($data); return $out; }