java连续执行多条cmd命令
命令之间用&连接
例如：
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Process p = Runtime.getRuntime().exec("cmd /c d: & cd bin/"); |
java ssh登录执行多条cmd命令
java登录ssh执行多条命令，解决出现more自动回车的问题
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import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.io.UnsupportedEncodingException; import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger; import com.jcraft.jsch.Channel;import com.jcraft.jsch.JSch;import com.jcraft.jsch.JSchException;import com.jcraft.jsch.Session;import com.jcraft.jsch.UIKeyboardInteractive;import com.jcraft.jsch.UserInfo; public class JavaSsh implements Runnable { protected Logger logger = LogManager.getLogger(); /** * 退格 */ private static final String BACKSPACE = new String(new byte[] { 8 }); /** * ESC */ private static final String ESC = new String(new byte[] { 27 }); /** * 空格 */ private static final String BLANKSPACE = new String(new byte[] { 32 }); /** * 回车 */ private static final String ENTER = new String(new byte[] { 13 }); /** * 某些设备回显数据中的控制字符 */ private static final String[] PREFIX_STRS = { BACKSPACE + "+" + BLANKSPACE + "+" + BACKSPACE + "+", "(" + ESC + "\\[\\d+[A-Z]" + BLANKSPACE + "*)+" }; private int sleepTime = 200; /** * 连接超时(单次命令总耗时) */ private int timeout = 4000; /** * 保存当前命令的回显信息 */ protected StringBuffer currEcho; /** * 保存所有的回显信息 */ protected StringBuffer totalEcho; private String ip; private int port; private String endEcho = "#,?,>,:"; private String moreEcho = "---- More ----"; private String moreCmd = BLANKSPACE; private JSch jsch = null; private Session session; private Channel channel; @Override public void run() { InputStream is; try { is = channel.getInputStream(); String echo = readOneEcho(is); while (echo != null) { currEcho.append(echo); String[] lineStr = echo.split("\\n"); if (lineStr != null && lineStr.length > 0) { String lastLineStr = lineStr[lineStr.length - 1]; if (lastLineStr != null && lastLineStr.indexOf(moreEcho) > 0) { totalEcho.append(echo.replace(lastLineStr, "")); } else { totalEcho.append(echo); } } echo = readOneEcho(is); } } catch (IOException e) { e.printStackTrace(); } } protected String readOneEcho(InputStream instr) { byte[] buff = new byte[1024]; int ret_read = 0; try { ret_read = instr.read(buff); } catch (IOException e) { return null; } if (ret_read > 0) { String result = new String(buff, 0, ret_read); for (String PREFIX_STR : PREFIX_STRS) { result = result.replaceFirst(PREFIX_STR, ""); } try { return new String(result.getBytes(), "GBK"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); return null; } } else { return null; } } public JavaSsh(String ip, int port, String endEcho, String moreEcho) { this.ip = ip; this.port = port; if (endEcho != null) { this.endEcho = endEcho; } if (moreEcho != null) { this.moreEcho = moreEcho; } totalEcho = new StringBuffer(); currEcho = new StringBuffer(); } private void close() { if (session != null) { session.disconnect(); } if (channel != null) { channel.disconnect(); } } private boolean login(String[] cmds) { String user = cmds[0]; String passWord = cmds[1]; jsch = new JSch(); try { session = jsch.getSession(user, this.ip, this.port); session.setPassword(passWord); UserInfo ui = new SSHUserInfo() { public void showMessage(String message) { } public boolean promptYesNo(String message) { return true; } }; session.setUserInfo(ui); session.connect(30000); channel = session.openChannel("shell"); channel.connect(3000); new Thread(this).start(); try { Thread.sleep(sleepTime); } catch (Exception e) { } return true; } catch (JSchException e) { return false; } } protected void sendCommand(String command, boolean sendEnter) { try { OutputStream os = channel.getOutputStream(); os.write(command.getBytes()); os.flush(); if (sendEnter) { currEcho = new StringBuffer(); os.write(ENTER.getBytes()); os.flush(); } } catch (IOException e) { e.printStackTrace(); } } protected boolean containsEchoEnd(String echo) { boolean contains = false; if (endEcho == null || endEcho.trim().equals("")) { return contains; } String[] eds = endEcho.split(","); for (String ed : eds) { if (echo.trim().endsWith(ed)) { contains = true; break; } } return contains; } private String runCommand(String command, boolean ifEnter) { currEcho = new StringBuffer(); sendCommand(command, ifEnter); int time = 0; if (endEcho == null || endEcho.equals("")) { while (currEcho.toString().equals("")) { try { Thread.sleep(sleepTime); time += sleepTime; if (time >= timeout) { break; } } catch (InterruptedException e) { e.printStackTrace(); } } } else { while (!containsEchoEnd(currEcho.toString())) { try { Thread.sleep(sleepTime); } catch (InterruptedException e) { e.printStackTrace(); } time += sleepTime; if (time >= timeout) { break; } String[] lineStrs = currEcho.toString().split("\\n"); if (lineStrs != null && lineStrs.length > 0) { if (moreEcho != null && lineStrs[lineStrs.length - 1] != null && lineStrs[lineStrs.length - 1].contains(moreEcho)) { sendCommand(moreCmd, false); currEcho.append("\n"); time = 0; continue; } } } } return currEcho.toString(); } private String batchCommand(String[] cmds, int[] othernEenterCmds) { StringBuffer sb = new StringBuffer(); for (int i = 2; i < cmds.length; i++) { String cmd = cmds[i]; if (cmd.equals("")) { continue; } boolean ifInputEnter = false; if (othernEenterCmds != null) { for (int c : othernEenterCmds) { if (c == i) { ifInputEnter = true; break; } } } cmd += (char) 10; String resultEcho = runCommand(cmd, ifInputEnter); sb.append(resultEcho); } close(); return totalEcho.toString(); } public String executive(String[] cmds, int[] othernEenterCmds) { if (cmds == null || cmds.length < 3) { logger.error("{} ssh cmds is null", this.ip); return null; } if (login(cmds)) { return batchCommand(cmds, othernEenterCmds); } logger.error("{} ssh login error", this.ip); return null; } private abstract class SSHUserInfo implements UserInfo, UIKeyboardInteractive { public String getPassword() { return null; } public boolean promptYesNo(String str) { return true; } public String getPassphrase() { return null; } public boolean promptPassphrase(String message) { return true; } public boolean promptPassword(String message) { return true; } public void showMessage(String message) { } public String[] promptKeyboardInteractive(String destination, String name, String instruction, String[] prompt, boolean[] echo) { return null; } } public static void main(String[] args) { String ip = "192.168.0.238"; int port = 22; JavaSsh JavaSsh2 = new JavaSsh(ip, port, null, null); String username = "ssh"; String password = "yzfar.com"; String[] cmds = { username, password, "display mac-address", "display mac-address" }; String executive = JavaSsh2.executive(cmds, null); System.out.println(executive); }} |
以上为个人经验，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/xueba8/article/details/78945954
