baoshi-was/app/OrderFreeze.php

<?php

namespace App;

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

use App\Traits\LogModelChanging;

class OrderFreeze extends Model
{
    use LogModelChanging;
    use ModelTimeFormat;

    protected $fillable = [
        "status","logistic_id","province_id","city_id","location_id"
    ];

    const status=[
        0 => "冻结",
        1 => "解冻",
    ];

    public function logistic()
    {  //承运商
        return $this->belongsTo(Logistic::class);
    }
    public function province()
    {   //省
        return $this->belongsTo(Province::class);
    }
    public function city()
    {   //市
        return $this->belongsTo(City::class);
    }
    public function location()
    {   //区
        return $this->belongsTo(City::class)->where("type","3");
    }
}