jiaoyi-webman/app/model/saas/SaasOrderExpress.php

<?php

namespace app\model\saas;

use app\extra\basic\Model;
use think\model\relation\HasOne;


/**
 * @property integer $id (主键)
 * @property mixed $order_sn 
 * @property mixed $express_sn 
 * @property integer $status 0运输中1已签收
 * @property mixed $last_at 
 * @property mixed $create_at
 */
class SaasOrderExpress extends Model
{
    /**
     * The connection name for the model.
     *
     * @var string|null
     */
    protected $connection = 'mysql';
    
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected string $table = "saas_order_express";
    
    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected string $primaryKey = "id";
    
    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public bool $timestamps = false;


    public function orders(): HasOne
    {
        return $this->hasOne(SaasOrder::class,"order_sn","order_sn");
    }

}