java 通过 SmbFile 类操作共享文件夹的示例

在pom.xml文件夹中添加如下的依赖就可以引用SmbFile类的jar包。

<dependency> <groupId>jcifs</groupId> <artifactId>jcifs</artifactId> <version>1.3.17</version></dependency>二、读取文件

/** * 读取共享文件夹下的所有文件(文件夹)的名称 * @param remoteUrl */public static void getSharedFileList(String remoteUrl) { SmbFile smbFile; try { // smb://userName:passWord@host/path/ smbFile = new SmbFile(remoteUrl); if (!smbFile.exists()) { System.out.println('no such folder'); } else { SmbFile[] files = smbFile.listFiles(); for (SmbFile f : files) { System.out.println(f.getName()); } } } catch (MalformedURLException e) { e.printStackTrace(); } catch (SmbException e) { e.printStackTrace(); }}三、创建文件夹

/** * 创建文件夹 * @param remoteUrl * @param folderName * @return */public static void smbMkDir(String remoteUrl, String folderName) { SmbFile smbFile; try { // smb://userName:passWord@host/path/folderName smbFile = new SmbFile(remoteUrl + folderName); if (!smbFile.exists()) { smbFile.mkdir(); } } catch (MalformedURLException e) { e.printStackTrace(); } catch (SmbException e) { e.printStackTrace(); }}四、上传文件

/** * 上传文件 * @param remoteUrl * @param shareFolderPath * @param localFilePath * @param fileName */public static void uploadFileToSharedFolder(String remoteUrl, String shareFolderPath, String localFilePath, String fileName) { InputStream inputStream = null; OutputStream outputStream = null; try { File localFile = new File(localFilePath); inputStream = new FileInputStream(localFile); // smb://userName:passWord@host/path/shareFolderPath/fileName SmbFile smbFile = new SmbFile(remoteUrl + shareFolderPath + '/' + fileName); smbFile.connect(); outputStream = new SmbFileOutputStream(smbFile); byte[] buffer = new byte[4096]; int len = 0; // 读取长度 while ((len = inputStream.read(buffer, 0, buffer.length)) != -1) { outputStream.write(buffer, 0, len); } // 刷新缓冲的输出流 outputStream.flush(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { try { outputStream.close(); inputStream.close(); } catch (IOException e) { e.printStackTrace(); } }}五、下载文件

/** * 下载文件到浏览器 * @param httpServletResponse * @param remoteUrl * @param shareFolderPath * @param fileName */public static void downloadFileToBrowser(HttpServletResponse httpServletResponse, String remoteUrl, String shareFolderPath, String fileName) { SmbFile smbFile; SmbFileInputStream smbFileInputStream = null; OutputStream outputStream = null; try { // smb://userName:passWord@host/path/shareFolderPath/fileName smbFile = new SmbFile(remoteUrl + shareFolderPath + '/' + fileName); smbFileInputStream = new SmbFileInputStream(smbFile); httpServletResponse.setHeader('content-type', 'application/octet-stream'); httpServletResponse.setContentType('application/vnd.ms-excel;charset=UTF-8'); httpServletResponse.setHeader('Content-disposition', 'attachment; filename=' + fileName); // 处理空格转为加号的问题 httpServletResponse.setHeader('Content-Disposition', 'attachment; fileName=' + fileName + ';filename*=utf-8’’' + URLEncoder.encode(fileName, 'UTF-8').replaceAll('+', '%20')); outputStream = httpServletResponse.getOutputStream(); byte[] buff = new byte[2048]; int len; while ((len = smbFileInputStream.read(buff)) != -1) { outputStream.write(buff, 0, len); } } catch (MalformedURLException e) { e.printStackTrace(); } catch (SmbException e) { e.printStackTrace(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { try { outputStream.close(); smbFileInputStream.close(); } catch (IOException e) { e.printStackTrace(); } }}

/** * 下载文件到指定文件夹 * @param remoteUrl * @param shareFolderPath * @param fileName * @param localDir */public static void downloadFileToFolder(String remoteUrl, String shareFolderPath, String fileName, String localDir) { InputStream in = null; OutputStream out = null; try { SmbFile remoteFile = new SmbFile(remoteUrl + shareFolderPath + File.separator + fileName); File localFile = new File(localDir + File.separator + fileName); in = new BufferedInputStream(new SmbFileInputStream(remoteFile)); out = new BufferedOutputStream(new FileOutputStream(localFile)); byte[] buffer = new byte[1024]; while (in.read(buffer) != -1) { out.write(buffer); buffer = new byte[1024]; } } catch (Exception e) { e.printStackTrace(); } finally { try { out.close(); in.close(); } catch (IOException e) { e.printStackTrace(); } }}六、删除文件

/** * 删除文件 * @param remoteUrl * @param shareFolderPath * @param fileName */public static void deleteFile(String remoteUrl, String shareFolderPath, String fileName) { SmbFile SmbFile; try { // smb://userName:passWord@host/path/shareFolderPath/fileName SmbFile = new SmbFile(remoteUrl + shareFolderPath + '/' + fileName); if (SmbFile.exists()) { SmbFile.delete(); } } catch (MalformedURLException e) { e.printStackTrace(); } catch (SmbException e) { e.printStackTrace(); }}

删除文件夹将路径指向要删除的文件夹即可。

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