/** * 网站根 * @return string */ static function urlRoot() { $host = $_SERVER['HTTP_HOST']; $url = 'http'; if ('on' == Cola_Request::server('HTTPS')) { $url .= 's'; } $url .= "://" . Cola_Request::server('SERVER_NAME'); $port = Cola_Request::server('SERVER_PORT'); if (80 != $port) { $url .= ":{$port}"; } return $url . Cola_Request::server('SCRIPT_NAME') . '/'; }