使用Jsch Java API获取远程系统时间戳

import com.jcraft.jsch.*;

public class RemoteTimestamp {
    public static void main(String[] args) {
        String host = "remote_host";
        String username = "remote_username";
        String password = "remote_password";
        String command = "date +%s"; // 获取系统时间戳的命令

        try {
            JSch jsch = new JSch();
            Session session = jsch.getSession(username, host, 22);
            session.setPassword(password);
            session.setConfig("StrictHostKeyChecking", "no");
            session.connect();

            Channel channel = session.openChannel("exec");
            ((ChannelExec) channel).setCommand(command);
            channel.setInputStream(null);
            ((ChannelExec) channel).setErrStream(System.err);

            InputStream in = channel.getInputStream();
            channel.connect();

            byte[] buffer = new byte[1024];
            StringBuilder output = new StringBuilder();
            while (in.read(buffer) != -1) {
                output.append(new String(buffer));
            }

            channel.disconnect();
            session.disconnect();

            System.out.println("Remote system timestamp: " + output.toString());
        } catch (JSchException | IOException e) {
            e.printStackTrace();
        }
    }
}