从Ftp下载某一文件夹下的所有文件（三）

private final static Log logger = LogFactory.getLog(TestOtherTrans.class);
//获取FTPClient对象
public FTPClient getFTPClient(String ftpHost, String ftpUsername, String ftpPassword, int ftpPort) {
    FTPClient ftpClient = new FTPClient();
    try {
        ftpClient.connect(ftpHost, ftpPort);  //连接服务器
        ftpClient.login(ftpUsername, ftpPassword);
        if (!FTPReply.isPositiveCompletion(ftpClient.getReplyCode())) {
            logger.info("未连接到，用户名或密码错误");
            ftpClient.disconnect();
        } else {
            logger.info("连接成功");
        }

    } catch (SocketException e) {
        e.printStackTrace();
        logger.info("FTP的IP地址可能错误，请正确配置");
    } catch (IOException e) {
        e.printStackTrace();
        logger.info("FTP的端口错误，请正确配置");
    }
    return ftpClient;
}


public void downloadFtpAllFiles(String ftpHost,int ftpPort,String ftpUsername,String ftpPassword,String ftpFilePath,String localPath) throws Exception {
        FTPClient ftpClient = null;
        ftpClient = getFTPClient(ftpHost, ftpUsername, ftpPassword, ftpPort);
        ftpClient.setControlEncoding("UTF-8"); // 中文支持
        ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
        ftpClient.enterLocalPassiveMode();
        ftpClient.changeWorkingDirectory(ftpFilePath);

        FTPFile[] files = ftpClient.listFiles(ftpFilePath, new FTPFileFilter() {
            @Override
            public boolean accept(FTPFile file) {
                if (file.isFile()) return true;
                return false;
            }
        });

        for (FTPFile file : files) {
            File localFile = new File(localPath + File.separatorChar + file.getName());
            OutputStream os = new FileOutputStream(localFile);
            ftpClient.retrieveFile(file.getName(), os);
            os.close();
        }
        ftpClient.logout();
}

@Test
public void testFTP(){
    String ftpHost = "106.120.193.130";
    int ftpPort = 2017;
    String ftpUserName = "ftpuser";
    String ftpPassword = "qwer!@#$";
    String ftpPathName = "/res";
    String localPath = "F:/download";
    TestOtherTrans testOtherTrans = new TestOtherTrans();
    try {
        testOtherTrans.downloadFtpAllFiles(ftpHost, ftpPort, ftpUserName, ftpPassword, ftpPathName, localPath);
    }catch(Exception e){
        e.printStackTrace();
    }

}