baoshi-was/app/StoreItems.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class StoreItems extends Model
{
    protected $fillable=[
        'store_id','asn_line_code','name',
        'sku','barcode','depository_id','amount','quality','status',
    ];
    protected $appends=[
        'store_asn_code',
        'depository_name'
    ];

    public function depository(){
        return $this->belongsTo('App\Depository','depository_id','id');
    }
    public function store(){
        return $this->belongsTo('App\Store','store_id','id');
    }


    public function getStoreASNCodeAttribute()
    {
        return $this['store']?$this['store']['asn_code']:null;
    }
    public function getDepositoryNameAttribute()
    {
        return $this['depository']?$this['depository']['name']:null;
    }

}