weixin/app/Repositories/Transformers/Wechat/EnentTransformer.php

<?php

namespace App\Repositories\Transformers\Wechat;

use App\Repositories\Models\Wechat\Enent;
use League\Fractal\TransformerAbstract;

class EnentTransformer extends TransformerAbstract
{
   /**
    * Prepare data to present.
    *
    * @param Enent $enent
    * @return array
    */
    public function transform(Enent $enent)
    {
        if (request()->has('id')) {
             return [
                 'id' => $enent->id,
                 'created_at' => $enent->created_at ? $enent->created_at->format('Y-m-d H:i:s') : null,
             ];
        }
        return [
            'id' => $enent->id,
            'created_at' => $enent->created_at ? $enent->created_at->format('Y-m-d H:i:s') : null,
        ];
    }
}