SchoolPhysicalExamination/application/app/controller/Download.php

<?php

namespace app\app\controller;

use think\Controller;
use think\Db;

class Download extends Base{
    public function demo(){
        
        $num = Db::table('app_version_log')->order('id desc')->find();
        echo '你好,这里就是下载页面';
        echo '<br><a href="'.$num['download_url'].'">点击下载</a>';
    }
}