yii2 jsonp

 

 public function actionSearch(){


        $callback = Yii::$app->request->get('callback','');

      $result = ['code'=>0,'msg'=>'ok'];


      $format = $callback  ? \yii\web\Response::FORMAT_JSONP : \yii\web\Response::FORMAT_JSON;

      Yii::$app->response->format = $format;

      if($callback){
          return[
              'callback'=>$callback,
              'data'=>$result
          ];
      }

      return $result;


    }