初始化项目：添加后端代码、ThinkPHP框架、前端资源

application/admin/validate/course/Group.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace app\admin\validate\course;
+
+use think\Validate;
+
+class Group extends Validate
+{
+    /**
+     * 验证规则
+     */
+    protected $rule = [
+//        'name'   => 'require|length:1,20',
+    ];
+    /**
+     * 提示消息
+     */
+    protected $message = [
+    ];
+    /**
+     * 验证场景
+     */
+    protected $scene = [
+//        'add'  => ['name'],
+//        'edit' => ['name'],
+    ];
+    
+}