crmeb_shop/crmeb/app/adminapi/controller/PublicController.php

<?php
// +----------------------------------------------------------------------
// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2016~2020 https://www.crmeb.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
// +----------------------------------------------------------------------
// | Author: CRMEB Team <admin@crmeb.com>
// +----------------------------------------------------------------------

namespace app\adminapi\controller;


use crmeb\services\CacheService;
use think\Response;

class PublicController
{

    /**
     * 下载文件
     * @param string $key
     * @return Response|\think\response\File
     */
    public function download(string $key = '')
    {
        if (!$key) {
            return Response::create()->code(500);
        }
        $fileName = CacheService::get($key);
        if (is_array($fileName) && isset($fileName['path']) && isset($fileName['fileName']) && $fileName['path'] && $fileName['fileName'] && file_exists($fileName['path'])) {
            CacheService::delete($key);
            return download($fileName['path'], $fileName['fileName']);
        }
        return Response::create()->code(500);
    }

    /**
     * 获取workerman请求域名
     * @return mixed
     */
    public function getWorkerManUrl()
    {
        return app('json')->success(getWorkerManUrl());
    }


    /**
     * 获取当前系统版本
     * @return array
     */
    public function getVersion()
    {
        $version_arr = [];
        $curent_version = @file(app()->getRootPath() . '.version');

        foreach ($curent_version as $val) {
            list($k, $v) = explode('=', $val);
            $version_arr[$k] = $v;
        }
        return app('json')->success($version_arr);
    }
}