windows和linux下ftp连接源码

package com.jroo.base.utils.ftp; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.Properties; import java.util.Vector; import com.jcraft.jsch.Channel; import com.jcraft.jsch.ChannelSftp; import com.jcraft.jsch.JSch; import com.jcraft.jsch.Session; import com.jcraft.jsch.SftpException; public class FtpLinuxUtil { /** * 连接sftp服务器 * * @param host * 主机 * @param port * 端口 * @param username * 用户名 * @param password * 密码 * @return */ public ChannelSftp connect(String host, int port, String username, String password) { ChannelSftp sftp = null; try { JSch jsch = new JSch(); jsch.getSession(username, host, port); Session sshSession = jsch.getSession(username, host, port); System.out.println("Session created."); sshSession.setPassword(password); Properties sshConfig = new Properties(); sshConfig.put("StrictHostKeyChecking", "no"); sshSession.setConfig(sshConfig); sshSession.connect(); System.out.println("Session connected."); System.out.println("Opening Channel."); Channel channel = sshSession.openChannel("sftp"); channel.connect(); sftp = (ChannelSftp) channel; System.out.println("Connected to " + host + "."); } catch (Exception e) { } return sftp; } /** * 上传文件 * * @param directory * 上传的目录 * @param uploadFile * 要上传的文件 * @param sftp */ public void upload(String directory, String uploadFile, ChannelSftp sftp) { try { sftp.cd(directory); File file = new File(uploadFile); sftp.put(new FileInputStream(file), file.getName()); } catch (Exception e) { e.printStackTrace(); } } /** * 下载文件 * * @param directory * 下载目录 * @param downloadFile * 下载的文件 * @param saveFile * 存在本地的路径 * @param sftp */ public void download(String directory, String downloadFile, String saveFile, ChannelSftp sftp) { try { sftp.cd(directory); File file = new File(saveFile); sftp.get(downloadFile, new FileOutputStream(file)); } catch (Exception e) { e.printStackTrace(); } } /** * 删除文件 * * @param directory * 要删除文件所在目录 * @param deleteFile * 要删除的文件 * @param sftp */ public void delete(String directory, String deleteFile, ChannelSftp sftp) { try { sftp.cd(directory); sftp.rm(deleteFile); } catch (Exception e) { e.printStackTrace(); } } /** * 列出目录下的文件 * * @param directory * 要列出的目录 * @param sftp * @return * @throws SftpException */ @SuppressWarnings("rawtypes") public Vector listFiles(String directory, ChannelSftp sftp) throws SftpException { return sftp.ls(directory); } public static void main(String[] args) { FtpLinuxUtil sf = new FtpLinuxUtil(); String host = "www.huaijiuyingyuan.com"; int port = 21; String username = "jack"; String password = "DHRD688037"; String directory = "D:\\backup"; String uploadFile = "C:\\Users\\Administrator\\Desktop\\新建文本文档.txt"; ChannelSftp sftp = sf.connect(host, port, username, password); System.out.println("aaaa:"+sftp); sf.upload(directory, uploadFile, sftp); sftp.disconnect(); sftp.exit(); System.out.println("finished"); } // public static void main(String[] args) { // FtpUtil sf = new FtpUtil(); // String host = "192.168.0.1"; // int port = 22; // String username = "root"; // String password = "123456"; // // String directory = "/usr/test"; // // String uploadFile = "D:\\tmp\\upload.txt"; // // String downloadFile = "upload.txt"; // // String saveFile = "D:\\tmp\\download.txt"; // String deleteFile = "delete.txt"; // ChannelSftp sftp = sf.connect(host, port, username, password); // sf.upload(directory, uploadFile, sftp); // sf.download(directory, downloadFile, saveFile, sftp); // sf.delete(directory, deleteFile, sftp); // try { // sftp.cd(directory); // sftp.mkdir("ss"); // System.out.println("finished"); // } catch (Exception e) { // e.printStackTrace(); // } // } }