qimall/addons/HuijuBill/api/modules/v1/controllers/PayController.php

<?php

namespace addons\HuijuBill\api\modules\v1\controllers;

use addons\HuijuBill\common\global_func\Payment;
use Yii;
use yii\web\Controller;

/**
 * 支付控制器
 *
 * Class PayController
 * @package addons\HuijuBill\api\modules\v1\controllers
 */
class PayController extends Controller
{
    public $modelClass = '';

    /**
    * 不用进行登录验证的方法
    *
    * 例如： ['index', 'update', 'create', 'view', 'delete']
    * 默认全部需要验证
    *
    * @var array
    */
    protected $authOptional = ['index'];

    /**
    * 首页
    *
    * @return string
    */
    public function actionIndex()
    {
        $order_no = $this->request->getQueryParam('order_no');
        echo Payment::getAlipayHtml($order_no);
    }
}