import com.enterprisedt.net.ftp.FTPTransferType; //导入依赖的package包/类
/**
 * 登录服务器
 * 
 * @return 返回登录结果 true成功 false失败
 * @throws Exception
 */
private boolean connect() throws Exception {
	boolean ret = false;
	fc = new FTPClient();
	try {
		fc.setRemoteHost(this.ip);
		fc.setRemotePort(this.port);
		fc.setControlEncoding("UTF-8");
		fc.connect();
		fc.login(this.userName, this.pwd);
		fc.setConnectMode(FTPConnectMode.ACTIVE);
		fc.setType(FTPTransferType.BINARY);
		ret = true;
		return ret;
	} catch (Exception e) {
		throw new Exception("登录失败!");
	}
}
 

import com.enterprisedt.net.ftp.FTPTransferType; //导入依赖的package包/类
public static void main(String[] args) {

		// we want remote host, user name and password
		if (args.length < 3) {
			System.out.println("Usage: run remote-host username password");
			// System.exit(1);
		}

		// extract command-line arguments
		String host = "211.157.3.202";
		String username = "root";
		String password = "mabcres070907";
		String filename = "C:\\UseSFTPWithoutServerValidation.java";

		// set up logger so that we get some output
		Logger log = Logger.getLogger(FtpService.class);
		Logger.setLevel(Level.INFO);

		try {
			// create client
			log.info("Creating SFTP client");
			SSHFTPClient ftp = new SSHFTPClient();

			// set remote host
			ftp.setRemoteHost(host);

			log.info("Setting user-name and password");
			ftp.setAuthentication(username, password);

			log.info("Turning off server validation");
			ftp.getValidator().setHostValidationEnabled(false);

			// connect to the server
			log.info("Connecting to server " + host);
			ftp.connect();

			log.info("Setting transfer mode to ASCII");
			ftp.setType(FTPTransferType.ASCII);
			FTPFile[] files = ftp.dirDetails(".");
			for (int i = 0; i < files.length; i++) {
				log.info(files[i].toString());
			}
			// putGetDelete(filename, ftp);
			log.info("Successfully transferred in ASCII mode");

			// Shut down client
			log.info("Quitting client");
			ftp.quit();

			log.info("Example complete");

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
 

import com.enterprisedt.net.ftp.FTPTransferType; //导入依赖的package包/类
@Override
public void setType( FTPTransferType type ) throws IOException, FTPException {
}