``` __ROOT__ ``` config\template.php ``` use think\facade\Config; use think\facade\Request; ~~~ // 去除HTML空格换行 'strip_space' => true, // 开启模板编译缓存 'tpl_cache' => !Config::get('app_debug'), // 定义模板替换字符串 'tpl_replace_string' => [ '__APP__' => rtrim(url('@'), '\\/'), '__ROOT__' => rtrim(dirname(Request::basefile()), '\\/'), '__FULL__' => rtrim(dirname(Request::basefile(true)), '\\/'), ], ~~~ ```