<?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 = ''; } }); } }