thinkphp-butter/app/validate/EnterprisesLogin.php

<?php

namespace app\validate;

class EnterprisesLogin extends \think\Validate
{
    protected $rule =   [

        'username'   => 'require',
        'password' => 'require',

    ];

    protected $message  =   [
        'username.require'     => '登录账号不能为空',
        'password.require'     => '密码不能为空',

    ];

}