<?php namespace app\common\model; use think\Model; use think\model\concern\SoftDelete; class UpgradeAuth extends Model { //protected $pk = 'id'; //主键 protected $autoWriteTimestamp = true; //开启自动时间戳 protected $createTime = 'create_time'; //软删除 use SoftDelete; protected $deleteTime = 'delete_time'; protected $defaultSoftDelete = 0; }