1. maven 配置
com.jcraft
jsch
0.1.54
2.代码
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
public class SSHUtils {
final static String user = "root";// 用户名
final static String pwd = "131420.com";// 密码
final static String ip = "47.107.168.139";// 服务器地址
final static int port = 22;// 端口号
final static int timeout = 60000000;
public static void main(String[] args) throws Exception {
//查看文件个数
String commond = "free";
String ls = SSHUtils.execCommandByJSch(ip, port,user, pwd,commond);
System.out.println(ls);
}
private static final String ENCODING = "UTF-8";
//private static final int timeout = 60 * 60 * 1000;
private static final int defaultPort = 22;
public static Session getJSchSession(String ip, int port, String user, String pwd, int timeout) throws JSchException {
JSch jsch = new JSch();
Session session = jsch.getSession(user, ip, port);
session.setPassword(pwd);
session.setConfig("StrictHostKeyChecking", "no"); // 第一次访问服务器时不用输入yes
session.setConfig("PreferredAuthentications", "publickey,keyboard-interactive,password");
session.setTimeout(timeout);
session.connect();
return session;
}
public static String execCommandByJSch(String ip, String user, String pwd, String command) throws IOException, JSchException {
return execCommandByJSch(ip, defaultPort, user, pwd, timeout, command, ENCODING);
}
public static String execCommandByJSch(String ip, int port, String user, String pwd, String command) throws IOException, JSchException {
return execCommandByJSch(ip, port, user, pwd, timeout, command, ENCODING);
}
public static String execCommandByJSch(String ip, int port, String user, String pwd, int timeout, String command, String resultEncoding) throws IOException, JSchException {
Session session = getJSchSession(ip, port, user, pwd, timeout);
String result = execCommandByJSch(session, command, resultEncoding);
session.disconnect();
return result;
}
public static String execCommandByJSch(Session session, String command) throws IOException, JSchException {
return execCommandByJSch(session, command, ENCODING);
}
public static String execCommandByJSch(Session session, String command, String resultEncoding) throws IOException, JSchException {
ChannelExec channelExec = (ChannelExec) session.openChannel("exec");
InputStream in = channelExec.getInputStream();
channelExec.setCommand(command);
channelExec.setErrStream(System.err);
channelExec.connect();
String result = IOUtils.toString(in, resultEncoding);
channelExec.disconnect();
return result;
}
}