java文件下载出现文件名乱码解决办法

//IE、chrom、Firefox文件中文乱码问题public String processFileName(HttpServletRequest request, String fileNames) {String codedfilename = null;try {String agent = request.getHeader("USER-AGENT");if (null != agent && -1 != agent.indexOf("MSIE") || null != agent &&-1 != agent.indexOf("Trident")) {//ieString name = java.net.URLEncoder.encode(fileNames, "UTF8");codedfilename = name;} else if (null != agent&&-1!=agent.indexOf("Mozilla")) {//火狐谷歌等codedfilename=new String(fileNames.getBytes("UTF-8"),"iso8859-1");}} catch (UnsupportedEncodingException e) {e.printStackTrace();}return codedfilename;}