drb/app/Model/RevenueCost.php

<?php

namespace App\Model;

use Illuminate\Database\Eloquent\Model;

class RevenueCost extends Model
{
    protected $guarded = [];
    protected $table = "revenue_cost"; //指定表
    const CREATED_AT = 'crt_time';
    const UPDATED_AT = 'upd_time';
    protected $dateFormat = 'U';

    const ORDER_ONE = 1;
    const ORDER_TWO = 2;
    const ORDER_THREE = 3;

    public static $order_type = [
        self::ORDER_ONE => '销货单',
        self::ORDER_TWO => '销售发票',
        self::ORDER_THREE => '回款单'
    ];

    const job = 'yf_revenue_cost';
}