myc/app/validate/admin/LoginValidate.php

<?php




namespace app\validate\admin;


use think\Validate;

class LoginValidate extends Validate
{
    protected $failException = true;

    protected $rule = [
        'account|账号' => 'require|min:4|max:32',
        'password|密码' => 'require|min:6|max:16',
        'code|验证码' => 'require|length:4',
        'key|key' => 'require|max:64',
    ];
}