antshop/backend/modules/shop/controllers/CommentController.php

<?php

namespace backend\modules\shop\controllers;

use Yii;
use backend\modules\shop\models\ars\Comment;
use backend\modules\shop\models\searchs\CommentSearch;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use iron\widget\Excel;

/**
 * CommentController implements the CRUD actions for Comment model.
 */
class CommentController extends Controller
{
    /**
     * {@inheritdoc}
     */
    public function behaviors()
    {
        return [
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'delete' => ['POST'],
                ],
            ],
        ];
    }

    /**
     * Lists all Comment models.
     * @return mixed
     */
    public function actionIndex()
    {
        $searchModel = new CommentSearch();
        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);

        return $this->render('index', [
            'searchModel' => $searchModel,
            'dataProvider' => $dataProvider,
            'columns' => $searchModel->columns()
    ]);
    }

    /**
     * Displays a single Comment model.
     * @param integer $id
     * @return mixed
     * @throws NotFoundHttpException if the model cannot be found
     */
    public function actionView($id)
    {
        return $this->render('view', [
            'model' => $this->findModel($id),
        ]);
    }

    /**
     * Creates a new Comment model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {
        $model = new Comment();

        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            return $this->redirect('index');
        }

        return $this->render('create', [
            'model' => $model,
        ]);
    }

    /**
     * Updates an existing Comment model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     * @throws NotFoundHttpException if the model cannot be found
     */
    public function actionUpdate($id)
    {
        $model = $this->findModel($id);

        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            return $this->redirect('index');
        }

        return $this->render('update', [
            'model' => $model,
        ]);
    }

    /**
     * Deletes an existing Comment model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id
     * @return mixed
     * @throws NotFoundHttpException if the model cannot be found
     */
    public function actionDelete($id)
    {
        $this->findModel($id)->delete();

        return $this->redirect(['index']);
    }

    /**
     * Finds the Comment model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     * @param integer $id
     * @return Comment the loaded model
     * @throws NotFoundHttpException if the model cannot be found
     */
    protected function findModel($id)
    {
        if (($model = Comment::findOne($id)) !== null) {
            return $model;
        }

        throw new NotFoundHttpException('The requested page does not exist.');
    }
    /**
    * @author iron
    * 文件导出
    */
    public function actionExport()
    {
        $searchModel = new CommentSearch();
        $params = Yii::$app->request->queryParams;
        if ($params['page-type'] == 'all') {
             $dataProvider = $searchModel->allData($params);
        } else {
            $dataProvider = $searchModel->search($params);
        }
        Excel::export([
            'models' => $dataProvider->getModels(),
            'format' => 'Xlsx',
            'asAttachment' => true,
            'fileName' =>'Comments'. "-" .date('Y-m-d H/i/s', time()),
            'columns' => $searchModel->columns()
        ]);
    }
}