回调测试

backendApi/modules/v1/controllers/DemoController.php

@@ -69,6 +69,7 @@ class DemoController extends BaseController
 
 
     public function actionPayments($vpc_MerchTxnRef){
+        file_put_contents('./text.txt',$vpc_MerchTxnRef);
         $params = array(
             'vpc_Version' => '1',
             'vpc_Command' => 'queryDR',