baoshi-was/app/OwnerStoreFeeDetail.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

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

class OwnerStoreFeeDetail extends Model
{
    use ModelLogChanging;

    public $fillable = [
        'owner_fee_detail_id',
        'unit_id',
        'unit_price', //单价
        'amount', //数量
        'owner_id', //货主
        'store_item_id',
        'owner_price_operation_id'
    ];

    public function ownerFeeDetail(): BelongsTo
    {
        return $this->belongsTo(OwnerFeeDetail::class);

    }

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

    public function getPriceAttribute(): string
    {
        return $this->unit_price . '/' . $this->unit->name;
    }

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

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

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