init

- 框架初始化
 - 安装插件
 - 修复PHP8.4报错

application/admin/model/Admin.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace app\admin\model;
+
+use think\Model;
+use think\Session;
+
+class Admin extends Model
+{
+
+    // 开启自动写入时间戳字段
+    protected $autoWriteTimestamp = 'int';
+    // 定义时间戳字段名
+    protected $createTime = 'createtime';
+    protected $updateTime = 'updatetime';
+    protected $hidden = [
+        'password',
+        'salt'
+    ];
+
+    public static function init()
+    {
+        self::beforeWrite(function ($row) {
+            $changed = $row->getChangedData();
+            //如果修改了用户或或密码则需要重新登录
+            if (isset($changed['username']) || isset($changed['password']) || isset($changed['salt'])) {
+                $row->token = '';
+            }
+        });
+    }
+
+}