打印，暂时免登陆

application/admin/controller/Maintain.php

@@ -18,6 +18,8 @@ use app\common\model\Maintain as Maintainmodel;
 class Maintain extends Backend
 {
 
+    protected $noNeedLogin = ['showinfo'];
+    protected $noNeedRight = ['showinfo'];
     /**
      * Maintain模型对象
      * @var \app\admin\model\Maintain