java自动连接堡垒机传输文件

import com.jcraft.jsch.*;

public class SSHExample {
    public static void main(String[] args) {
        String host = "your_bastion_host";
        int port = 22;
        String user = "your_username";
        String password = "your_password";

        JSch jsch = new JSch();
        Session session = null;

        try {
            session = jsch.getSession(user, host, port);
            session.setPassword(password);
            session.setConfig("StrictHostKeyChecking", "no");
            session.connect();

            System.out.println("Connected to bastion host successfully!");
        } catch (JSchException e) {
            e.printStackTrace();
        } finally {
            if (session != null && session.isConnected()) {
                session.disconnect();
            }
        }
    }
}

import com.jcraft.jsch.*;

public class SFTPExample {
    public static void main(String[] args) {
        String host = "your_bastion_host";
        int port = 22;
        String user = "your_username";
        String password = "your_password";
        String localFile = "/path/to/local/file";
        String remoteFile = "/path/to/remote/file";

        JSch jsch = new JSch();
        Session session = null;
        ChannelSftp channelSftp = null;

        try {
            session = jsch.getSession(user, host, port);
            session.setPassword(password);
            session.setConfig("StrictHostKeyChecking", "no");
            session.connect();

            channelSftp = (ChannelSftp) session.openChannel("sftp");
            channelSftp.connect();

            channelSftp.put(localFile, remoteFile);

            System.out.println("File transferred successfully!");
        } catch (JSchException | SftpException e) {
            e.printStackTrace();
        } finally {
            if (channelSftp != null && channelSftp.isConnected()) {
                channelSftp.disconnect();
            }
            if (session != null && session.isConnected()) {
                session.disconnect();
            }
        }
    }
}