Excel导出文件乱码

response.setContentType("application/vnd.ms-excel");
response.setCharacterEncoding("utf-8");
String fileName = URLEncoder.encode("文件名。。。", "UTF-8");
response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName);
response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");