ODerController.class.php内容如下 

 1 <?php

 /*

  * To change this license header, choose License Headers in Project Properties.

  * To change this template file, choose Tools | Templates

  * and open the template in the editor.

  */

 namespace Home\Controller;

 use Think\Controller;

 class ODerController extends Controller{

     //未付款的信息

     public function gwc(){

        echo dddd;

     }

 }

 UserController.class.php内容如下：
 1 <?php

 /*

  * To change this license header, choose License Headers in Project Properties.

  * To change this template file, choose Tools | Templates

  * and open the template in the editor.

  */

 namespace Home\Controller;

 use Think\Controller;

 class UserController extends Controller{

     public function info(){

      // echo '5555';

         /*

          * 跨控制器调用，现在是自己在调用

           $order = new \Home\Controller\ODerController();

           $order->gwc();

          */

         /*跨控制器调用,使用A()函数

         $order=A('Home/ODer');

         *dump();tp系统函数，开发小组自己用的，带有格式的输出

         *dump($order);

         * $order->gwc();

         */

     }

 }