JAVA EE 下载，文件名显示中文

HttpServletRequest request = getHttpRequest();
HttpServletResponse response = getHttpResponse();
response.reset();

response.setCharacterEncoding(SysConfig.CHARSET.name());
response.setContentType(item.getCContentType());
response.setHeader("Connection", "close");

// 生成中文文件名
String filename = item.getCName();
String newFilename = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) +"."+ FileUtils.getFileSuffix(filename);
try {
String header = request.getHeader("user-Agent");
if (null != header) {
header = header.toUpperCase();
}
if (null == header) {
// 不能识别浏览器类型, 不处理
} else if (header.contains("MSIE")) { // IE
newFilename = URLEncoder.encode(filename, "UTF-8");
} else if (header.contains("FIREFOX")){ // 火狐
newFilename = new String(filename.getBytes("UTF-8"), "ISO8859-1");
} else if (header.contains("CHROME")) {
newFilename = new String(filename.getBytes("UTF-8"), "ISO8859-1");
}
} catch (UnsupportedEncodingException e) {
logger.error("不支持的字符集", e);
}
response.setHeader("Content-disposition", "attachment;filename=\"" + newFilename + "\"");


// 文件输出
OutputStream outStream = null;
InputStream inStream = null;
try{
response.setContentLength((int) item.getBContent().length());
outStream = response.getOutputStream();
inStream = item.getBContent().getBinaryStream();
IOUtils.copy(inStream, outStream);
} catch (Exception e) {
logger.error("下载文件出错[newsId=" + newsId + "]", e);
} finally {
IOUtils.closeQuietly(inStream);
IOUtils.closeQuietly(outStream);
}