- public HttpServletResponse download(String path, HttpServletResponse response) {
- try {
- // path是指欲下载的文件的路径。
- File file = new File(path);
- // 取得文件名。
- String filename = file.getName();
- // 取得文件的后缀名。
- String ext = filename.substring(filename.lastIndexOf(".") + 1).toUpperCase();
- // 以流的形式下载文件。
- InputStream fis = new BufferedInputStream(new FileInputStream(path));
- byte[] buffer = new byte[fis.available()];
- fis.read(buffer);
- fis.close();
- // 清空response
- response.reset();
- // 设置response的Header
- response.addHeader("Content-Disposition", "attachment;filename=" + new String(filename.getBytes()));
- response.addHeader("Content-Length", "" + file.length());
- OutputStream toClient = new BufferedOutputStream(response.getOutputStream());
- response.setContentType("application/octet-stream");
- toClient.write(buffer);
- toClient.flush();
- toClient.close();
- } catch (IOException ex) {
- ex.printStackTrace();
- }
- return response;
- }
来源: http://www.phpxs.com/code/1001665/