showdoc/Application/Home/Controller/IndexController.class.php

<?php
namespace Home\Controller;
use Think\Controller;
class IndexController extends BaseController {
    public function index(){

        if(!file_exists('./Application/Common/Conf/config.php')){
            header("location:./install");
            exit();
        }

    	$this->checkLogin(false);
    	$login_user = session("login_user");
    	$this->assign("login_user" ,$login_user);
    	if (LANG_SET == 'en-us') {
    		$demo_url = "https://www.showdoc.cc/demo-en";
    		$help_url = "https://www.showdoc.cc/help-en";
    		$creator_url = "https://github.com/star7th";
    	}
    	else{
    		$demo_url = "https://www.showdoc.cc/demo";
    		$help_url = "https://www.showdoc.cc/help";
    		$creator_url = "https://blog.star7th.com/";
    	}
    	$this->assign("demo_url" ,$demo_url);
    	$this->assign("help_url" ,$help_url);
    	$this->assign("creator_url" ,$creator_url);

        $this->display();
    }
}