/** * 描述:下载外部案件导入模板 * @throws Exception */ @RequestMapping(value = "/downloadExcel") @ResponseBody public void downloadExcel(HttpServletResponse res, HttpServletRequest req,String name) throws Exception { String fileName = name+".xlsx"; ServletOutputStream out; res.setContentType("multipart/form-data"); res.setCharacterEncoding("UTF-8"); res.setContentType("text/html"); String filePath = getClass().getResource("/template/" + fileName).getPath(); String userAgent = req.getHeader("User-Agent"); if (userAgent.contains("MSIE") || userAgent.contains("Trident")) { fileName = java.net.URLEncoder.encode(fileName, "UTF-8"); } else { // 非IE浏览器的处理: fileName = new String((fileName).getBytes("UTF-8"), "ISO-8859-1"); } filePath = URLDecoder.decode(filePath, "UTF-8"); res.setHeader("Content-Disposition", "attachment;fileName=" + fileName); FileInputStream inputStream = new FileInputStream(filePath); out = res.getOutputStream(); int b = 0; byte[] buffer = new byte[1024]; while ((b = inputStream.read(buffer)) != -1) { // 4.写到输出流(out)中 out.write(buffer, 0, b); } inputStream.close(); if (out != null) { out.flush(); out.close(); } }
原文:https://www.cnblogs.com/DIVEY/p/10839638.html