baoshi-was/app/OwnerStoreOutFeeReport.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

use App\Traits\ModelLogChanging;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class OwnerStoreOutFeeReport extends Model
{
    use ModelLogChanging;

    public $fillable = [
        'owner_bill_report_id',
        'counting_month',
        'step', //阶梯
        'unit_id',
        'unit_price',//单价
        'amount', //数量
        'owner_id',
        'work_name',//作业名称
        'fee',//费用
        'model_id',//计费模型
        'tax_fee',//税费
    ];

    public $timestamps = false;

    public function ownerBillReport(): BelongsTo
    {
        return $this->belongsTo(OwnerBillReport::class);
    }

    public function unit(): BelongsTo
    {
        return $this->belongsTo(Unit::class);
    }

    public function owner(): BelongsTo
    {
        return $this->belongsTo(Owner::class);
    }

    public function model(): BelongsTo
    {
        return $this->belongsTo(OwnerPriceOperation::class, 'model_id', 'id');
    }
}