1 public void downloadAppliForm(String id, HttpServletRequest request,
2 HttpServletResponse response) throws Exception { //传入id，向数据库查询文件保存地址和文件名称
3 JgVolunteers jgVolunteers = jgVolunteersMapper.selectByPrimaryKey(Long
4 .valueOf(id));
5 String fileName = null;
6 String fileUrl = null;
7 if (jgVolunteers != null) {
8 fileName = jgVolunteers.getApplicationname(); //文件名称 文件名+文件类型
9 fileUrl = VocationJunGangConstant.GYYJ_IMG_PATH+
10 jgVolunteers.getUrldecode();//文件在服务器的保存地址
11 }
12 response.setContentType("text/html;charset=utf-8");
13 request.setCharacterEncoding("UTF-8");
14 java.io.BufferedInputStream bis = null;
15 java.io.BufferedOutputStream bos = null;
16
17 try {
18 long fileLength = new File(fileUrl).length();
19 response.setContentType("application/x-msdownload;");
20 response.setHeader("Content-Disposition", "attachment; filename="
21 + new String(fileName.getBytes("gbk"), "iso-8859-1"));
22 response.setHeader("Content-Length", String.valueOf(fileLength));
23 bis = new BufferedInputStream(new FileInputStream(fileUrl));
24 bos = new BufferedOutputStream(response.getOutputStream());
25 byte[] buff = new byte[2048];
26 int bytesRead;
27 while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
28 bos.write(buff, 0, bytesRead);
bos.flush();
29 }
30 } catch (Exception e) {
31 e.printStackTrace();
32 } finally {
33 if (bis != null)
34 bis.close();
35 if (bos != null)
36 bos.close();
37 }
38
39 }
