FTPClient简单例子.docx

import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import .SocketException;import .ftp.FTPClient;import .ftp.FTPFile;import .ftp.FTPListParseEngine;import .ftp.FTPReply;public class FTP private String userName; /FTP 登录用户名 private String password; /FTP 登录密码 private String ip; /FTP 服务器地址IP地址 private int port; /FTP 端口 private FTPClient ftpClient = null; /FTP 客户端代理public FTP(String userName,String password,String ip,int port) this.userName = userName;this.password = password;this.ip = ip;this.port = port; public boolean connectServer() boolean flag = true; if (ftpClient = null) int reply; try System.out.println(into ftpClient = null); ftpClient = new FTPClient(); ftpClient.setControlEncoding(GBK); /文件名乱码,默认ISO8859-1，不支持中文/ System.out.println(encoding +ftpClient.getControlEncoding(); ftpClient.setDefaultPort(port); ftpClient.connect(ip); ftpClient.login(userName, password); System.out.println(Connected to + ip ); System.out.print(ftpClient.getReplyString(); reply = ftpClient.getReplyCode(); ftpClient.setDataTimeout(120000); if (!FTPReply.isPositiveCompletion(reply) ftpClient.disconnect(); System.err.println(FTP server refused connection.); flag = false; catch (SocketException e) flag = false; e.printStackTrace(); System.err.println(登录ftp服务器 + ip + 失败,连接超时！); catch (IOException e) flag = false; e.printStackTrace(); System.err.println(登录ftp服务器 + ip + 失败，FTP服务器无法打开！); System.out.println(登陆ftp服务器成功+ip); return flag; public void listRemoteAllFiles(String path) try FTPListParseEngine f = ftpClient.initiateListParsing(path); while (f.hasNext() FTPFile files = f.getNext(5); for(FTPFile file:files) disFile(file,path); catch (IOException e) e.printStackTrace(); public void disFile(FTPFile file,String path) if(file.isDirectory() & !file.getName().equals(.)& !file.getName().equals(.) System.out.println(File.separator + file.getName(); listRemoteAllFiles(path+ File.separator +file.getName(); else if(!file.getName().equals(.)& !file.getName().equals(.) System.out.println(file.getName(); public void closeConnect() System.out.println(关闭ftp服务器); try if (ftpClient != null) ftpClient.logout(); ftpClient.disconnect(); catch (Exception e) e.printStackTrace(); public void downFile(String remotePath,String fileName,String localPath) FTPFile fs;try ftpClient.changeWorkingDirectory(remotePath);/转移到FTP服务器目录fs = ftpClient.listFiles(); for(FTPFile ff:fs) if(ff.getName().equals(fileName) File localFile = new File(localPath+ File.separator +ff.getName(); FileOutputStream is = new FileOutputStream(localFile); ftpClient.retrieveFile(ff.getName(), is); is.close(); catch (IOException e) e.printStackTrace(); public void upFile(String path, String filename, String localFilePath) try FileInputStream in=new FileInputStream(new File(localFilePath);ftpClient.changeWorkingDirectory(path);ftpClient.storeFile(filename, in);in.close(); catch (Exception e) e.printStackTrace(); public static void main(String args) FTP ftp = new FTP(lixin,008357,9,21)