[yii2]Module的Namespace和控制器位置

namespace app;

class admin extends \yii\base\Module
{
    public $controllerNamespace = ‘app\controllers\admin‘;

    public function init()
    {
        parent::init();

        // custom initialization code goes here
    }
}

? controllers/                
  ? admin/                     
      DefaultController.php    
    SiteController.php         
? mail/                        
? models/                      
? runtime/                     
? tests/                       
? vendor/                                                                                                                       
? views/                       
? web/                     
  admin.php     

1 namespace app\controllers\admin;