swiftadmin/app/admin/model/PdmSymbol.php

<?php

namespace app\admin\model;

use think\Model;
use think\model\concern\SoftDelete;

/**
 * pdm_symbol
 * <!--partmanage-->
 * 原理符号
 * Class PdmSymbol
 * @package app\admin\model
 */
class PdmSymbol extends Model
{

    use SoftDelete;

    // 定义时间戳字段名
    protected $createTime = 'create_time';
    protected $updateTime = 'update_time';
    protected $deleteTime = 'delete_time';

    
    /**
  * 定义 sa_admin 关联模型
  * @localKey createrid
  * @bind nickname
  */
  public function admin()
  {
      return $this->hasOne(\app\common\model\system\Admin::Class,'id','creatorid')->bind(['nickname']);
  }

    

}