Java学习|
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public static void downloadFile(String fileName, String downloadName, HttpServletResponse response){ try { response.setContentType("octets/stream"); response.addHeader("Content-Type", "text/html; charset=utf-8"); String downLoadName = new String(downloadName.getBytes("gbk"), "iso8859-1"); response.addHeader("Content-Disposition", "attachment;filename=" + downLoadName); FileInputStream fileInputStream = new FileInputStream(fileName); OutputStream out = response.getOutputStream(); int i = 0; while ((i = fileInputStream.read()) != -1) { out.write(i); } fileInputStream.close(); } catch (Exception e) { e.printStackTrace(); } } /** * 上传文件 * * @param file * 文件 * @param radomfileName * 保存文件名 * @param materialFilePath * 保存路径 * @return */ public static boolean fileUpload(MultipartFile file, String radomfileName, String materialFilePath) { boolean flag = true; File baseFile = new File(materialFilePath); File trainFile = new File(baseFile, radomfileName); if (!baseFile.exists()) { baseFile.mkdirs(); } try { file.transferTo(trainFile); } catch (IllegalStateException e) { flag = false; } catch (IOException e) { flag = false; }// 保存文件 return flag; } |
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