tp6/app/api/validate/IndexValidate.php

<?php
declare (strict_types = 1);

namespace app\api\validate;

use app\common\BaseValidate;

class IndexValidate extends BaseValidate
{
    /**
     * 定义验证规则
     * 格式：'字段名' =>  ['规则1','规则2'...]
     *
     * @var array
     */
    protected $rule = [
        'phone' => 'require'
    ];

    /**
     * 定义错误信息
     * 格式：'字段名.规则名' =>  '错误信息'
     *
     * @var array
     */
    protected $message = [
        'phone.require' => '电话不能为空'
    ];

    protected $scene = [
        'phone' => ['phone']
    ];
}