Customer-Service/application/admin/validate/UserPlatform.php

<?php
namespace app\admin\validate;

use think\Validate;
use think\Lang;

class UserPlatform extends Validate
{
    // 验证规则.
    protected $rule = [
        'pageSize'    =>  'number',
        'currentPage'    =>  'number',
        'platform_id'    =>  'require|number|length:1,20',
        'user_platform_id'    =>  'require|number|length:1,20',
    ];

    // 触犯规则提示语.
    protected $message = '';

    // 验证层.
    protected $scene = [
        'userList'   =>  ['platform_id', 'pageSize', 'currentPage'],
        'deleteUser'   =>  ['user_platform_id'],
    ];

    public function __construct() {
        $this->message = [
            'platform_id'  =>  lang('EP01001'),
            'user_platform_id'  =>  lang('EP01001'),
            'pageSize'  =>  lang('EC01002'),
            'currentPage'  =>  lang('EC01002'),
        ];
    }
}