如何在Laravel中定义访问器中设置图像路径？

Question

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Photo extends Model
{
    protected $uploads ='/images/codehacking/admin/'; 

    protected $fillable = ['path'];

    public function getPathAttribute($photo)
    {
        return $this->uploads.$photo;
    }
}