water/server/plugin/saiadmin/app/controller/system/RegisterController.php

<?php
// +----------------------------------------------------------------------
// | saiadmin [ saiadmin快速开发框架 ]
// +----------------------------------------------------------------------
// | Author: sai <1430792918@qq.com>
// +----------------------------------------------------------------------
namespace plugin\saiadmin\app\controller\system;

use plugin\saiadmin\app\model\system\SystemUser;
use plugin\saiadmin\app\validate\system\RegisterValidate;
use plugin\saiadmin\basic\OpenController;
use support\Request;
use support\Response;

/**
 * 匿名用户注册
 *
 * 不挂 #[Permission] 注解，免登录可访问。
 * 新注册用户默认 is_super=0、status=1，不分配任何角色/部门，
 * 后续由超级管理员通过后台「用户管理」分配。
 */
class RegisterController extends OpenController
{
    public function __construct()
    {
        $this->validate = new RegisterValidate();
    }

    /**
     * 注册新用户
     * @param Request $request
     * @return Response
     */
    public function register(Request $request): Response
    {
        $data = $request->post();
        if (!$this->validate('register', $data)) {
            return $this->fail($this->validate->getError());
        }

        $exists = SystemUser::where('username', $data['username'])->find();
        if ($exists) {
            return $this->fail('该用户名已被占用');
        }

        $user = SystemUser::create([
            'username'   => $data['username'],
            'password'   => password_hash($data['password'], PASSWORD_DEFAULT),
            'status'     => 1,
            'is_super'   => 0,
            'dashboard'  => 'work',
            'remark'     => '匿名注册',
            'create_time' => date('Y-m-d H:i:s'),
            'update_time' => date('Y-m-d H:i:s'),
        ]);

        if (!$user) {
            return $this->fail('注册失败，请稍后重试');
        }

        return $this->success('注册成功');
    }
}