project/app/admin/model/Rate.php

<?php
namespace app\admin\model;

class Rate extends Base
{
//设置字段信息
    protected $schema = [
        'id'       =>'int',//
        'rate'       =>'varchar',//税率
        'status'       =>'varchar',//
        'is_del'       =>'varchar',//
        'addtime'       =>'datetime',//
        'updatetime'       =>'datetime',//

    ];
}