SpringMvc下载excel文件
@RequestMapping public void download(HttpServletRequest request, HttpServletResponse response) throws Exception { response.setContentType("text/html;charset=UTF-8"); BufferedInputStream in = null; BufferedOutputStream out = null; request.setCharacterEncoding("UTF-8"); String rootpath = request.getSession().getServletContext().getRealPath( "/"); String fileName = request.getParameter("f"); fileName=CommonProperty.getValue(fileName); try { File f = new File(rootpath + "template/" + fileName); response.setContentType("application/x-excel"); response.setCharacterEncoding("UTF-8"); response.setHeader("Content-Disposition", "attachment; filename="+fileName); response.setHeader("Content-Length",String.valueOf(f.length())); in = new BufferedInputStream(new FileInputStream(f)); out = new BufferedOutputStream(response.getOutputStream()); byte[] data = new byte[1024]; int len = 0; while (-1 != (len=in.read(data, 0, data.length))) { out.write(data, 0, len); } } catch (Exception e) { e.printStackTrace(); } finally { if (in != null) { in.close(); } if (out != null) { out.close(); } } }
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