JAVA实现SFTP上传，下载，删除 https://my.oschina.net/u/2447394/blog/1358356
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import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.LineNumberReader; import java.util.ArrayList; import java.util.List; import java.util.Properties; 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 SFTPUtil{ private String host = "211.144.121.117"; private String username="dtportal"; private String password="DTPORTAL123"; private int port = 22; private ChannelSftp sftp = null; private String localPath = "D:/sftp_test"; private String remotePath = "/home/dtportal/test"; private String fileListPath = "TEST.txt"; private final String seperator = "/"; /** * connect server via sftp */ public void connect() { try { if(sftp != null){ System.out.println("sftp is not null"); } 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) { e.printStackTrace(); } } /** * Disconnect with server */ public void disconnect() { if(this.sftp != null){ if(this.sftp.isConnected()){ this.sftp.disconnect(); }else if(this.sftp.isClosed()){ System.out.println("sftp is closed already"); } } } public void download() { // TODO Auto-generated method stub } private 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(); } } /** * upload all the files to the server */ public void upload() { List<String> fileList = this.getFileEntryList(fileListPath); try { if(fileList != null){ for (String filepath : fileList) { String localFile = this.localPath + this.seperator+ filepath; File file = new File(localFile); if(file.isFile()){ System.out.println("localFile : " + file.getAbsolutePath()); String remoteFile = this.remotePath + this.seperator + filepath; System.out.println("remotePath:" + remoteFile); File rfile = new File(remoteFile); /* String rpath = rfile.getParent(); try { createDir(rpath, sftp); } catch (Exception e) { System.out.println("*******create path failed" + rpath); } */ this.sftp.put(new FileInputStream(file), remoteFile); System.out.println("=========upload for " + localFile); } } } } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (SftpException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /** * create Directory * @param filepath * @param sftp */ private void createDir(String filepath, ChannelSftp sftp){ boolean bcreated = false; boolean bparent = false; File file = new File(filepath); String ppath = file.getParent(); try { this.sftp.cd(ppath); bparent = true; } catch (SftpException e1) { bparent = false; } try { if(bparent){ try { this.sftp.cd(filepath); bcreated = true; } catch (Exception e) { bcreated = false; } if(!bcreated){ this.sftp.mkdir(filepath); bcreated = true; } return; }else{ createDir(ppath,sftp); this.sftp.cd(ppath); this.sftp.mkdir(filepath); } } catch (SftpException e) { System.out.println("mkdir failed :" + filepath); e.printStackTrace(); } try { this.sftp.cd(filepath); } catch (SftpException e) { e.printStackTrace(); System.out.println("can not cd into :" + filepath); } } /** * get all the files need to be upload or download * @param file * @return */ private List<String> getFileEntryList(String file){ ArrayList<String> fileList = new ArrayList<String>(); InputStream in = null; try { in = new FileInputStream(file); InputStreamReader inreader = new InputStreamReader(in); LineNumberReader linreader = new LineNumberReader(inreader); String filepath = linreader.readLine(); while(filepath != null){ fileList.add(filepath); filepath = linreader.readLine(); } in.close(); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ if(in != null){ in = null; } } return fileList; } /** * @return the host */ public String getHost() { return host; } /** * @param host the host to set */ public void setHost(String host) { this.host = host; } /** * @return the username */ public String getUsername() { return username; } /** * @param username the username to set */ public void setUsername(String username) { this.username = username; } /** * @return the password */ public String getPassword() { return password; } /** * @param password the password to set */ public void setPassword(String password) { this.password = password; } /** * @return the port */ public int getPort() { return port; } /** * @param port the port to set */ public void setPort(int port) { this.port = port; } /** * @return the sftp */ public ChannelSftp getSftp() { return sftp; } /** * @param sftp the sftp to set */ public void setSftp(ChannelSftp sftp) { this.sftp = sftp; } /** * @return the localPath */ public String getLocalPath() { return localPath; } /** * @param localPath the localPath to set */ public void setLocalPath(String localPath) { this.localPath = localPath; } /** * @return the remotePath */ public String getRemotePath() { return remotePath; } /** * @param remotePath the remotePath to set */ public void setRemotePath(String remotePath) { this.remotePath = remotePath; } /** * @return the fileListPath */ public String getFileListPath() { return fileListPath; } /** * @param fileListPath the fileListPath to set */ public void setFileListPath(String fileListPath) { this.fileListPath = fileListPath; } public static void main(String[] args) { // TODO Auto-generated method stub SFTPUtil ftp= new SFTPUtil(); ftp.connect(); ftp.upload(); ftp.disconnect(); System.exit(0); } } |
