xtu_mall/app/admin/validate/Region.php

<?php
namespace app\admin\validate;

use think\Validate;

class Region extends Validate
{
    protected $rule = [
        'name|地区名称' => 'require|max:50',
        'code|地区编码' => 'require|regex:^[A-Za-z]{2,20}$|unique:region',
        'lang|绑定语言' => 'require|regex:^[a-z]{2,20}$',
        'shopurl|商城链接' => 'max:255|url',
        'is_default|默认地区' => 'in:0,1',
        'is_enabled|启用状态' => 'in:0,1',
        'sort|排序' => 'number',
    ];

    protected $scene = [
        'add' => ['name', 'code', 'lang', 'shopurl', 'is_default', 'is_enabled', 'sort'],
        'edit' => ['name', 'code', 'lang', 'shopurl', 'is_default', 'is_enabled', 'sort'],
    ];
}