参考文章:https://blog.csdn.net/amu0324/article/details/4267520
主要实现类
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
public class ShellUtils implements ShellUtil{
private static JSch jsch;
private static Session session;
/**
* 连接到指定的IP
*
* @throws JSchException
*/
public static void connect(String user, String passwd, String host) throws JSchException {
jsch = new JSch();
session = jsch.getSession(user, host, 22);
session.setPassword(passwd);
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
session.setConfig(config);
session.connect();
System.out.println("connect success!!!");
}
/**
* 执行相关的命令
* @throws JSchException
*/
public static void execCmd(String command, String user, String passwd, String host) throws JSchException {
connect(user, passwd, host);
//用来记录服务器反馈的信息
BufferedReader reader = null;
Channel channel = null;try {
if (command != null) {
channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
channel.setInputStream(null);
((ChannelExec) channel).setErrStream(System.err);
channel.connect();
InputStream in = channel.getInputStream();
reader = new BufferedReader(new InputStreamReader(in));
//这个buffer是得到显示信息的
String buf = null;
while ((buf = reader.readLine()) != null) {
log.println(buf);
}
}
} catch (IOException e) {
e.printStackTrace();
} catch (JSchException e) {
e.printStackTrace();
} finally {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
channel.disconnect();
session.disconnect();
}
}
}