Solution to garbled file name when downloading files in Java

String userAgent = request.getHeader("User-Agent"); String formFileName = file.getFileName(); // 针对IE或者以IE为内核的浏览器： if (userAgent.contains("MSIE") || userAgent.contains("Trident")) { formFileName = java.net.URLEncoder.encode(formFileName, "UTF-8"); } else { // 非IE浏览器的处理： formFileName = new String(formFileName.getBytes("UTF-8"), "ISO-8859-1");

} response.setHeader("Content-disposition",String.format("attachment; filename=\"%s\"", formFileName)); response.setContentType("multipart/form-data"); response.setCharacterEncoding("UTF-8");