thinkphp-butter/app/validate/EditUserInfo.php

<?php

namespace app\validate;

use think\Validate;

class EditUserInfo extends Validate
{
    protected $rule =   [
        'username'   => 'require',
        'name'   => 'require',
        'level'   => 'require',
        'phone'   => 'require',

    ];

    protected $message  =   [
        'username.require'     => '不能为空',

    ];

}