网友回复
<?php $ua = $_SERVER["HTTP_USER_AGENT"]; $filename = "中文文件名.txt"; $encoded_filename = urlencode($filename); $encoded_filename = str_replace("+", "%20", $encoded_filename); header("Content-Type: application/octet-stream"); if (preg_match("/MSIE/", $_SERVER['HTTP_USER_AGENT'])) { header('Content-Disposition: attachment; filename="' . $encoded_filename . '"'); } elseif (preg_match("/Firefox/", $_SERVER['HTTP_USER_AGENT'])) { header('Content-Disposition: attachment; filename*="utf8' . $filename . '"'); } else { header('Content-Disposition: attachment; filename="' . $filename . '"'); } echo "这里是文本 \n新的一行";