文件流形式上载文件
文件流形式下载文件
转载来自
转载来自
引用
http://jlins-you.iteye.com/blog/1553794
public String downLoadSongFile(HttpServletResponse response) { InputStream fis = null; try { String songName = ""; String filePath = ""; File file = new File(filePath + songName); if (!file.exists()) { return null; } // 以流的形式下载文件 fis = new BufferedInputStream(new FileInputStream(filePath)); doDownload(fis, response, songName); } catch (IOException e) { e.printStackTrace(); } finally { if (null != fis) { try { fis.close(); } catch (IOException e) { e.printStackTrace(); } } } return null; } private void doDownload(InputStream inputStream, HttpServletResponse response, String songName) throws IOException { response.setContentType("application/" + resolveContentType(songName)); response.setHeader("Content-Disposition", "attachment;" + "filename=" + songName); FileCopyUtils.copy(inputStream, response.getOutputStream()); } private String resolveContentType(String fileName) { try { return fileName.substring(fileName.lastIndexOf(".") + 1); } catch (StringIndexOutOfBoundsException e) { return ""; } }