我怎样才能使在订购货物时有新的数据项时可以直接到货物表中去

SOLVE!!!!

<?php
namespace backend'controllers;
use Yii;
use backend'models'Penerimaan;
use backend'models'PenerimaanSearch;
use yii'web'Controller;
use yii'web'NotFoundHttpException;
use yii'filters'VerbFilter;
use backend'models'Barang;
/**
 * PenerimaanController implements the CRUD actions for Penerimaan model.
 */
class PenerimaanController extends Controller
{
    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'delete' => ['POST'],
                ],
            ],
        ];
    }
    /**
     * Lists all Penerimaan models.
     * @return mixed
     */
    public function actionIndex()
    {
        $searchModel = new PenerimaanSearch();
        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);
        return $this->render('index', [
            'searchModel' => $searchModel,
            'dataProvider' => $dataProvider,
        ]);
    }
    /**
     * Displays a single Penerimaan model.
     * @param integer $id
     * @return mixed
     */
    public function actionView($id)
    {
        return $this->render('view', [
            'model' => $this->findModel($id),
        ]);
    }
    public function actionLihat()
    {
      $connection=  'Yii::$app->db;
      $users = $connection->createCommand('SELECT avg(price) as a FROM penerimaan')->queryAll();
      var_dump($users);
    }
    /**
     * Creates a new Penerimaan model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {
        $model = new Penerimaan();
        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            return $this->redirect(['view', 'id' => $model->id]);
        } else {
            return $this->render('create', [
                'model' => $model,
            ]);
        }
    }
    /**
     * Updates an existing Penerimaan model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     */
    public function actionUpdate($id)
    {
        $model = $this->findModel($id);
        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            return $this->redirect(['view', 'id' => $model->id]);
        } else {
            return $this->render('update', [
                'model' => $model,
            ]);
        }
    }
    /**
     * Deletes an existing Penerimaan model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id
     * @return mixed
     */
    public function actionDelete($id)
    {
        $this->findModel($id)->delete();
        return $this->redirect(['index']);
    }
    /**
     * Finds the Penerimaan model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     * @param integer $id
     * @return Penerimaan the loaded model
     * @throws NotFoundHttpException if the model cannot be found
     */
    protected function findModel($id)
    {
        if (($model = Penerimaan::findOne($id)) !== null) {
            return $model;
        } else {
            throw new NotFoundHttpException('The requested page does not exist.');
        }
    }
    public function actionImport(){
      $model=new Penerimaan();
      $modelImport =  new 'yii'base'DynamicModel([
        'fileImport'=>'File Import',
      ]);
      $modelImport->addRule(['fileImport'],'required');
      $modelImport->addRule(['fileImport'],'file',['extensions'=>'ods,xls,xlsx']);
      if(Yii::$app->request->post()){
        $modelImport->fileImport = 'yii'web'UploadedFile::getInstance($modelImport,'fileImport');
        if ($modelImport->fileImport && $modelImport->validate()){
          $inputFileType = 'PHPExcel_IOFactory::identify($modelImport->fileImport->tempName);
          $objReader = 'PHPExcel_IOFactory::createReader($inputFileType);
          $objPHPExcel = $objReader->load($modelImport->fileImport->tempName);
          $sheetData = $objPHPExcel->getActiveSheet()->toArray(null,true,true,true);
          $baseRow = 1;
          while(!empty($sheetData[$baseRow]['A'])){
            $x = Barang::find()->where(['rm_code'=>$sheetData[$baseRow]['A']])->count();
            if($x==0){
              $connection = 'Yii::$app->db;
              $connection->createCommand()->insert('barang',['rm_code'=>$sheetData[$baseRow]['A']])->execute();
}
            $model = new Penerimaan();
            $model->rm_code = (string) $sheetData[$baseRow]['A'];
            $model->quantity = (string) $sheetData[$baseRow]['B'];
            $bulan = $_POST['Penerimaan']['bulan'];
            $model->bulan= $bulan;
            $model->save();
            $baseRow++;
          }
          Yii::$app->getSession()->setFlash('success','Success');
        }else{
          Yii::$app->getSession()->setFlash('error','Error');
        }
        return $this->redirect(['penerimaan/index']);
      }
      return $this->render('import',[
        'modelImport'=>$modelImport,
        'model'=>$model,
      ]);
    }
    public function actionBarang()
    {
        $searchModel = new PenerimaanSearch();
        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);
        return $this->render('barang', [
            'searchModel' => $searchModel,
            'dataProvider' => $dataProvider,
        ]);
    }
}