java Resource下文件下载

java Resource下文件下载 /** * 文件下载，根据文件名，在Resource文件夹下读取文件，设置报文头，response响应文件流。 * @param response * @param fileName * @throws Exception */ public static void downFile(HttpServletResponse response, String fileName) throws Exception{ ClassPathResource classPathResource = new ClassPathResource(fileName); InputStream inputStream=classPathResource. getInputStream(); response.setHeader("Content-Disposition", "attachment;filename*=utf-8'zh_cn'"+ URLEncoder.encode (fileName,"UTF-8"")); response.setHeader("Connection","close"); response.setHeader("Content-Type", "application/octet-stream"); IOUtils.copy(inputStream, response.getOutputStream()); }