huahuibao/app/admin/controllers/SlideController.php

<?php
namespace backend\controllers;
use common\services\xhRecommendService;
use Yii;
use yii\web\Controller;
use yii\helpers\Json;

class SlideController extends BackendController
{

    public function actionList()
    {
    	$recommend		= xhRecommendService::getByCondition(['merchantId' => $this->merchantId]);
    	$slide			= $recommend['slide'];
    	$list			= [];
    	if(!empty($slide)){
			$list		= json_decode($slide,true);
    	}
    	return $this->render('list',['list' => $list]);
    }

    public function actionReplace()
    {
    	$post			= Yii::$app->request->post();
    	unset($post['_csrf']);
   		xhRecommendService::updateByMerchantId($this->merchantId, ['slide' => Json::encode($post['slide'])]);
		$this->redirect(Yii::$app->request->getReferrer());
    }

}