Java实现文件远程上传和下载

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/** Created on 2009-9-14* Copyright 2009 by www.xfok.net. All Rights Reserved**/package net.xfok.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;/*** @author YangHua* 转载请注明出处：http://www.xfok.net/2009/10/124485.html*/public class MySFTP {/*** 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*/public Vector listFiles(String directory, ChannelSftp sftp) throws SftpException{return sftp.ls(directory);}public static void main(String[] args) {MySFTP sf = new MySFTP(); String host = "192.168.0.1";int port = 22;String username = "root";String password = "root";String directory = "/home/httpd/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();} } }
转自：http://www.cnblogs.com/chen1987lei/archive/2010/11/26/1888384.html
参考：http://www.cnblogs.com/longyg/archive/2012/06/25/2556576.html
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