baoshi-was/app/OwnerAreaReport.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class OwnerAreaReport extends Model
{
    protected $fillable = [
        "owner_id",         //货主ID
        "counting_month",   //结算月
        "area_on_tray",     //货物整托
        "area_on_half_tray",//货物半托
        "area_on_flat",     //平面区面积
        "accounting_area",  //结算面积
        "status"            //状态
    ];

    public function owner()
    {   //货主
        return $this->hasOne(Owner::class,"id","owner_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);
    }
}