baoshi-was/app/OwnerReport.php

<?php

namespace App;

use App\Traits\ModelTimeFormat;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Model;

class OwnerReport extends Model
{
    use ModelTimeFormat;
    protected $fillable = [
        "owner_id",                     //货主ID
        "counting_month",               //结算月
        "daily_average_order_amount",   //日均单量
        "current_month_counting_area",  //结算月盘点面积
        "last_month_counting_area",     //结算月上月盘点面积
        "owner_bill_report_id"          //账单ID
    ];
    public $timestamps = false;

    public function owner()
    {   //货主
        return $this->hasOne(Owner::class,"id","owner_id");
    }
    public function ownerBillReport()
    {   //账单
        return $this->hasOne(OwnerBillReport::class,"id","owner_bill_report_id");
    }

    /* 结算月格式转换，仅截取至月
     * 引用：CreateOwnerReport
     */
    public function getCountingMonthAttribute($value)
    {
        return substr($value,0,7);
    }
}