引入easyadmin'

app/admin/service/ConfigService.php

@@ -0,0 +1,31 @@
+<?php
+
+// +----------------------------------------------------------------------
+// | EasyAdmin
+// +----------------------------------------------------------------------
+// | PHP交流群: 763822524
+// +----------------------------------------------------------------------
+// | 开源协议  https://mit-license.org 
+// +----------------------------------------------------------------------
+// | github开源项目：https://github.com/zhongshaofa/EasyAdmin
+// +----------------------------------------------------------------------
+
+namespace app\admin\service;
+
+use think\facade\Cache;
+
+class ConfigService
+{
+
+    public static function getVersion()
+    {
+        $version = Cache('version');
+        if (empty($version)) {
+            $version = sysconfig('site', 'site_version');
+            cache('site_version', $version);
+            Cache::set('version', $version, 3600);
+        }
+        return $version;
+    }
+
+}