huahuibao/app/admin/controllers/StudentController.php

<?php
namespace backend\controllers;
use common\models\xhTrainStudent;

use Yii;
use yii\web\Controller;
use yii\filters\AccessControl;
use yii\data\Pagination;

/**
 * student controller
 */
class StudentController extends BackendController
{

    public function actionList()
    {
    	$query			= xhTrainStudent::find();
    	$query->where(['merchantId' =>$this->merchantId]);
    	$query->orderBy('id desc');
    	$countQuery		= clone $query;
    	$pages			= new Pagination(['totalCount' => $countQuery->count(),'pageSize' => 20]);
    	$models			= $query->offset($pages->offset)->limit($pages->limit)->all();
    	return $this->render('list', ['models' => $models,'pages' => $pages]);
    }

    public function actionShow()
    {
    	return $this->render('show');
    }

}