一个简单的jsch链接linux并执行命令的utils。
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 { 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(); } /** * 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); BufferedReader reader = null; Channel channel = null; try { while (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)); String buf = null; while ((buf = reader.readLine()) != null) { System.out.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(); } } }