t_nine/app/Model/Header_ext.php

<?php

namespace App\Model;

use Illuminate\Database\Eloquent\Model;

/**
 *
 * Class Unit
 * @package App\Models
 */
class Header_ext extends Model
{
    protected $table = "header_ext"; //指定表
    const CREATED_AT = 'crt_time';
    const UPDATED_AT = 'upd_time';
    protected $dateFormat = 'U';

}