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java如何连续执行多条cmd命令

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测试数据" ;

         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。

原文链接:https://blog.csdn.net/xueba8/article/details/78945954

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