初始化项目：添加后端代码、ThinkPHP框架、前端资源

application/callback/controller/app/msgpush/Notice.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace app\callback\controller\app\msgpush;
+
+/**
+ * 直播回调
+ */
+class Notice
+{
+    /**
+     * @return bool
+     */
+    public function handle()
+    {
+        (new \app\admin\library\app\msgpush\Msg)->handle();
+    }
+}