blog_tp6/app/sys/controller/Login.php

<?php
declare (strict_types = 1);
/**
 * +----------------------------------------------------------------------
 * | 后台登录控制制器
 * +----------------------------------------------------------------------
 */
namespace app\sys\controller;

// 引入框架内置类
use think\facade\Session;
use think\facade\View;

use app\common\model\SysUser;

use think\facade\Cache;

class Login
{
    // 登录页面
    public function index()
    {
        // 已登录自动跳转
        if (Session::has('adminuser')) {
            return redirect((string)url('index/index'));
        }
        $restore_url = Session::has('restore') ? Session::get('restore'): (string)url('index/index');

        View::assign('restore_url', $restore_url);

        return View::fetch();
    }

    // 校验登录
    public function checkLogin(){
        return SysUser::checkLogin();
    }

    // 退出登录
    public function logout(){
        Cache::clear();
        Session::delete('adminuser');
        return redirect((string) url('login/index'));
    }
}