?php
 
namespace App\Model;
 
use Illuminate\Database\Eloquent\Model;
 
class Goods extends Model
{
 
  public function setStartTimeAttribute($value)
  {
    $this->attributes['start_time'] = is_int($value) ? $value : strtotime($value);
  }
 
  public function getStartTimeAttribute()
  {
    return date('Y-m-d H:i:s', $this->attributes['start_time']);
  }
}