crm/app/api/validate/Index.php

<?php

namespace app\api\validate;

use think\Validate;

class Index extends Validate
{
    // 验证规则
    protected $rule = [
        'type'       => 'require|in:uploadtime,hot',
        'page'       => 'require|number',
        'limit'      => 'require|number'
    ];

    // 验证消息
    protected $message = [
        'type.require'  => '缺少类型',
        'type.in'       => '类型错误',
        'page.require'  => '缺少参数',
        'page.number'   => '页码只能是数字',
        'limit.require' => '缺少参数',
        'limit.number'  => '分页数量只能是数字'
    ];

    // 验证场景
    protected $scene = [
        'recommend'  =>  ['type', 'page','limit']
    ];
}