1.依賴的jar文件 jsch-0.1.53.jar
2.登錄方式有密碼登錄,和密匙登錄
代碼:
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import java.util.Properties; import com.cloudpower.util.Login; import com.util.LoadProperties; public class Ftp { public static void main(String[] args) { Properties properties = LoadProperties.getProperties(); Login.login(properties); } } |
登陸頁面的代碼:
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package com.cloudpower.util; import java.io.Console; import java.util.Properties; import com.jcraft.jsch.JSch; import com.jcraft.jsch.Session; public class Login { public static void login(Properties properties) { String ip = properties.getProperty( "ip" ); String user = properties.getProperty( "user" ); String pwd = properties.getProperty( "pwd" ); String port = properties.getProperty( "port" ); String privateKeyPath = properties.getProperty( "privateKeyPath" ); String passphrase = properties.getProperty( "passphrase" ); String sourcePath = properties.getProperty( "sourcePath" ); String destinationPath = properties.getProperty( "destinationPath" ); if (ip != null && !ip.equals( "" ) && user != null && !user.equals( "" ) && port != null && !port.equals( "" ) && sourcePath != null && !sourcePath.equals( "" ) && destinationPath != null && !destinationPath.equals( "" )) { if (privateKeyPath != null && !privateKeyPath.equals( "" )) { sshSftp2(ip, user, Integer.parseInt(port), privateKeyPath, passphrase, sourcePath, destinationPath); } else if (pwd != null && !pwd.equals( "" )) { sshSftp(ip, user, pwd, Integer.parseInt(port), sourcePath, destinationPath); } else { Console console = System.console(); System.out.print( "Enter password:" ); char [] readPassword = console.readPassword(); sshSftp(ip, user, new String(readPassword), Integer.parseInt(port), sourcePath, destinationPath); } } else { System.out.println( "請先設置配置文件" ); } } /** * 密碼方式登錄 * * @param ip * @param user * @param psw * @param port * @param sPath * @param dPath */ public static void sshSftp(String ip, String user, String psw, int port, String sPath, String dPath) { System.out.println( "password login" ); Session session = null ; JSch jsch = new JSch(); try { if (port <= 0 ) { // 連接服務器,采用默認端口 session = jsch.getSession(user, ip); } else { // 采用指定的端口連接服務器 session = jsch.getSession(user, ip, port); } // 如果服務器連接不上,則拋出異常 if (session == null ) { throw new Exception( "session is null" ); } // 設置登陸主機的密碼 session.setPassword(psw); // 設置密碼 // 設置第一次登陸的時候提示,可選值:(ask | yes | no) session.setConfig( "StrictHostKeyChecking" , "no" ); // 設置登陸超時時間 session.connect( 300000 ); UpLoadFile.upLoadFile(session, sPath, dPath); } catch (Exception e) { e.printStackTrace(); } System.out.println( "success" ); } /** * 密匙方式登錄 * * @param ip * @param user * @param port * @param privateKey * @param passphrase * @param sPath * @param dPath */ public static void sshSftp2(String ip, String user, int port, String privateKey, String passphrase, String sPath, String dPath) { System.out.println( "privateKey login" ); Session session = null ; JSch jsch = new JSch(); try { // 設置密鑰和密碼 // 支持密鑰的方式登陸,只需在jsch.getSession之前設置一下密鑰的相關信息就可以了 if (privateKey != null && ! "" .equals(privateKey)) { if (passphrase != null && "" .equals(passphrase)) { // 設置帶口令的密鑰 jsch.addIdentity(privateKey, passphrase); } else { // 設置不帶口令的密鑰 jsch.addIdentity(privateKey); } } if (port <= 0 ) { // 連接服務器,采用默認端口 session = jsch.getSession(user, ip); } else { // 采用指定的端口連接服務器 session = jsch.getSession(user, ip, port); } // 如果服務器連接不上,則拋出異常 if (session == null ) { throw new Exception( "session is null" ); } // 設置第一次登陸的時候提示,可選值:(ask | yes | no) session.setConfig( "StrictHostKeyChecking" , "no" ); // 設置登陸超時時間 session.connect( 300000 ); UpLoadFile.upLoadFile(session, sPath, dPath); System.out.println( "success" ); } catch (Exception e) { e.printStackTrace(); } } } |
文件上傳的代碼:
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package com.cloudpower.util; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Scanner; import com.jcraft.jsch.Channel; import com.jcraft.jsch.ChannelSftp; import com.jcraft.jsch.Session; import com.jcraft.jsch.SftpException; public class UpLoadFile { public static void upLoadFile(Session session, String sPath, String dPath) { Channel channel = null ; try { channel.connect( 10000000 ); ChannelSftp sftp = (ChannelSftp) channel; try { sftp.cd(dPath); Scanner scanner = new Scanner(System.in); System.out.println(dPath + ":此目錄已存在,文件可能會被覆蓋!是否繼續y/n?" ); String next = scanner.next(); if (!next.toLowerCase().equals( "y" )) { return ; } } catch (SftpException e) { sftp.mkdir(dPath); sftp.cd(dPath); } File file = new File(sPath); copyFile(sftp, file, sftp.pwd()); } catch (Exception e) { e.printStackTrace(); } finally { session.disconnect(); channel.disconnect(); } } public static void copyFile(ChannelSftp sftp, File file, String pwd) { if (file.isDirectory()) { File[] list = file.listFiles(); try { try { String fileName = file.getName(); sftp.cd(pwd); System.out.println( "正在創建目錄:" + sftp.pwd() + "/" + fileName); sftp.mkdir(fileName); System.out.println( "目錄創建成功:" + sftp.pwd() + "/" + fileName); } catch (Exception e) { // TODO: handle exception } pwd = pwd + "/" + file.getName(); try { sftp.cd(file.getName()); } catch (SftpException e) { // TODO: handle exception e.printStackTrace(); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } for ( int i = 0 ; i < list.length; i++) { copyFile(sftp, list[i], pwd); } } else { try { sftp.cd(pwd); } catch (SftpException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } System.out.println( "正在復制文件:" + file.getAbsolutePath()); InputStream instream = null ; OutputStream outstream = null ; try { outstream = sftp.put(file.getName()); instream = new FileInputStream(file); byte b[] = new byte [ 1024 ]; int n; try { while ((n = instream.read(b)) != - 1 ) { outstream.write(b, 0 , n); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } catch (SftpException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { try { outstream.flush(); outstream.close(); instream.close(); } catch (Exception e2) { // TODO: handle exception e2.printStackTrace(); } } } } } |
讀取配置文件的代碼:
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package com.util; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.util.Properties; public class LoadProperties { public static Properties getProperties() { File file = new File(Class. class .getClass().getResource( "/" ).getPath() + "properties.properties" ); InputStream inputStream = null ; try { inputStream = new FileInputStream(file); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } Properties properties = new Properties(); try { properties.load(inputStream); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return properties; } } |
代碼目錄結構:
測試運行時配置文件放在項目的bin目錄下(打包成可運行jar文件的時候要刪除,打包完成后將配置文件和jar包放在同級目錄下即可):
properties.properties
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ip= user= pwd= port=22 privateKeyPath= passphrase= sourcePath= destinationPath=/home/dbbs/f |
打包可運行jar文件:
Export->java->Runnabe JAR file
完成后
在控制臺運行java -jar 導出jar包的名字.jar 即可
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持服務器之家。
原文鏈接:http://www.cnblogs.com/zuo-java/p/5913295.html