问题描述

请问一下java 调用shell上传linux的问题

package com.wfj.cms.util;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;

import org.apache.log4j.Logger;
import org.apache.oro.text.regex.MalformedPatternException;

import com.jcraft.jsch.ChannelShell;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.UserInfo;

import expect4j.Closure;
import expect4j.Expect4j;
import expect4j.ExpectState;
import expect4j.matches.EofMatch;
import expect4j.matches.Match;
import expect4j.matches.RegExpMatch;
import expect4j.matches.TimeoutMatch;

public class Shell {

private static Logger log = Logger.getLogger(Shell.class);

private Session session;
private ChannelShell channel;
private static Expect4j expect = null;
private static final long defaultTimeOut = 1000;
private StringBuffer buffer=new StringBuffer();

public static final int COMMAND_EXECUTION_SUCCESS_OPCODE = -2;
public static final String BACKSLASH_R = "r";
public static final String BACKSLASH_N = "n";
public static final String COLON_CHAR = ":";
public static String ENTER_CHARACTER = BACKSLASH_R;
public static final int SSH_PORT = 22;

//正则匹配，用于处理服务器返回的结果
public static String[] linuxPromptRegEx = new String[] { "~]#", "~#", "#",
        ":~#", "/$", ">" };

public static String[] errorMsg=new String[]{"could not acquire the config lock "};

//ssh服务器的ip地址
private String ip;
//ssh服务器的登入端口
private int port;
//ssh服务器的登入用户名
private String user;
//ssh服务器的登入密码
private String password;

public Shell(String ip,int port,String user,String password) {
    this.ip=ip;
    this.port=port;
    this.user=user;
    this.password=password;
    expect = getExpect();
}

/**
 * 关闭SSH远程连接
 */
public void disconnect(){
    if(channel!=null){
        channel.disconnect();
    }
    if(session!=null){
        session.disconnect();
    }
}

/**
 * 获取服务器返回的信息
 * @return 服务端的执行结果
 */
public String getResponse(){
    return buffer.toString();
}

//获得Expect4j对象，该对用可以往SSH发送命令请求
private Expect4j getExpect() {
    try {
        log.debug(String.format("Start logging to %s@%s:%s",user,ip,port));
        JSch jsch = new JSch();
        session = jsch.getSession(user, ip, port);
        session.setPassword(password);
        Hashtable<String, String> config = new Hashtable<String, String>();
        config.put("StrictHostKeyChecking", "no");
        session.setConfig(config);
        localUserInfo ui = new localUserInfo();
        session.setUserInfo(ui);
        session.connect();
        channel = (ChannelShell) session.openChannel("shell");
        Expect4j expect = new Expect4j(channel.getInputStream(), channel
                .getOutputStream());
        channel.connect();
        log.debug(String.format("Logging to %s@%s:%s successfully!",user,ip,port));
        return expect;
    } catch (Exception ex) {
        log.error("Connect to "+ip+":"+port+"failed,please check your username and password!");
        ex.printStackTrace();
    }
    return null;
}

/**
 * 执行配置命令
 * @param commands 要执行的命令，为字符数组
 * @return 执行是否成功
 */
public boolean executeCommands(String[] commands) {
    //如果expect返回为0，说明登入没有成功
    if(expect==null){
        return false;
    }

    log.debug("----------Running commands are listed as follows:----------");
    for(String command:commands){
        log.debug(command);
    }
    log.debug("----------End----------");

    Closure closure = new Closure() {
        public void run(ExpectState expectState) throws Exception {
            buffer.append(expectState.getBuffer());// buffer is string
                                                    // buffer for appending
                                                    // output of executed
                                                    // command
            expectState.exp_continue();

        }
    };
    List<Match> lstPattern = new ArrayList<Match>();
    String[] regEx = linuxPromptRegEx;
    if (regEx != null && regEx.length > 0) {
        synchronized (regEx) {
            for (String regexElement : regEx) {
                try {
                    RegExpMatch mat = new RegExpMatch(regexElement, closure);
                    lstPattern.add(mat);
                } catch (MalformedPatternException e) {
                    return false;
                } catch (Exception e) {
                    return false;
                }
            }
            lstPattern.add(new EofMatch(new Closure() { // should cause
                                                        // entire page to be
                                                        // collected
                        public void run(ExpectState state) {
                        }
                    }));
            lstPattern.add(new TimeoutMatch(defaultTimeOut, new Closure() {
                public void run(ExpectState state) {
                }
            }));
        }
    }
    try {
        boolean isSuccess = true;
        for (String strCmd : commands){
            isSuccess = isSuccess(lstPattern, strCmd);
        }
        //防止最后一个命令执行不了
        isSuccess = !checkResult(expect.expect(lstPattern));

        //找不到错误信息标示成功
        String response=buffer.toString().toLowerCase();
        for(String msg:errorMsg){
            if(response.indexOf(msg)>-1){
                return false;
            }
        }

        return isSuccess;
    } catch (Exception ex) {
        ex.printStackTrace();
        return false;
    }
}

//检查执行是否成功
private boolean isSuccess(List<Match> objPattern, String strCommandPattern) {
    try {
        int result = expect.expect(objPattern);
        boolean isFailed = checkResult(result);
        if (!isFailed) {
            expect.send(strCommandPattern);
            expect.send("r");
            return true;
        }
        return false;
    } catch (MalformedPatternException ex) {
        return false;
    } catch (Exception ex) {
        return false;
    }
}

//检查执行返回的状态
private boolean checkResult(int intRetVal) {
    if (intRetVal == COMMAND_EXECUTION_SUCCESS_OPCODE) {
        return true;
    }
    return false;
}

//登入SSH时的控制信息
//设置不提示输入密码、不显示登入信息等
public static class localUserInfo implements UserInfo {
    String passwd;

    public String getPassword() {
        return passwd;
    }

    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 static void main(String[] orgs) throws IOException, InterruptedException{
String ip = "10.6.1.64";
    int port = 22;
    String user ="tomcat";
    String password = "123456";
    String cmd[] = {" cd /usr","ls -ls"};
    String command = "/home/tomcat";
    Shell ssh = new Shell(ip,port,user,password);
    ssh.executeCommands(cmd);
    System.out.println(ssh.getResponse());
    ssh.disconnect();

}

}

最近要做一个sell上传jar包到linux上的程序， 大致的需求是.. 将本地（部署在linux服务器上的系统）的文件上传到一组linux服务器上，（多台服务器） 服务器文件路径都是一样的。 但是要用java写， 以前没弄过关于java 调用shell的。 就从网上找到以上代码，但是新的问题又来了， 不熟悉sell命令。 只会一点简单的。从一台服务器上发布到多台服务器（一台一台的上传） 求大神指点迷津。 小弟谦虚好学。 QQ599159992

解决方案

http://www.jb51.net/article/61529.htm