baoshi-was/app/OwnerPriceDirectLogistic.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;

class OwnerPriceDirectLogistic extends Model
{
    protected $fillable = [
        "name",     //名称
        "base_km"   //起步公里数
    ];

    public function details()
    {   //直发车计费对应车型费
        return $this->hasMany(OwnerPriceDirectLogisticCar::class,"owner_price_direct_logistic_id","id");
    }
    public function owners()
    {   //货主中间表
        return $this->belongsToMany(Owner::class,"owner_price_direct_logistic_owner","owner_price_direct_logistic_id","owner_id");
    }

    public function getOwnerIdAttribute()
    {   //获取货主ID数组
        return array_column(DB::select(DB::raw("SELECT * FROM owner_price_direct_logistic_owner WHERE owner_price_direct_logistic_id = ?"),[$this->id]),"owner_id");
    }
}