laravel model模型定义实现开启自动管理时间created_at,updated_at

?php
 
namespace App;
 
use Illuminate\Database\Eloquent\Model;
 
class Flight extends Model
{
  /**
   * 表明模型是否应该被打上时间戳
   *
   * @var bool
   */
  public $timestamps = false;
}

?php
 
namespace App;
 
use Illuminate\Database\Eloquent\Model;
 
class Flight extends Model
{
  /**
   * 模型日期列的存储格式
   *
   * @var string
   */
  protected $dateFormat = 'U';
}