process_sheet/fastadmin/application/common/model/ps/Workorder.php

<?php

namespace app\common\model\ps;

class Workorder extends FactoryModel
{
    protected $name = 'ps_workorder';

    public function processes()
    {
        return $this->hasMany(WorkorderProcess::class, 'workorder_id', 'id')->order('seq asc,id asc');
    }

    public function product()
    {
        return $this->belongsTo(Product::class, 'product_id', 'id');
    }
}