java通過Linux擷取命令資訊並顯示出來

標籤：緩衝   sch   通過   username   script   try   desc   uptime   main   

代碼如下：

package test;import java.io.*;import java.nio.charset.Charset;import java.util.Properties;import com.jcraft.jsch.ChannelExec;import com.jcraft.jsch.JSch;import com.jcraft.jsch.JSchException;import com.jcraft.jsch.Session;import org.apache.commons.io.IOUtils;import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;/** * @author lw * @createTime 2018/8/3 15:49 * @description ssh登陸主機 輸入密碼登陸並執行命令 */public class LinuxShh {    private static Logger logger = LogManager.getLogger(LinuxShh.class);    final static String userName = "test";// 使用者名稱    final static String password = "87654321";// 密碼    final static String host = "174.31.514.222";// 伺服器位址    final static int port = 22;// 連接埠號碼    final static int timeout = 60000000;    /**     * <dependency>     * <groupId>com.jcraft</groupId>     * <artifactId>jsch</artifactId>     * <version>0.1.54</version>     * </dependency>     */    public static void main(String[] args)  {        String cmd = "uname -a && date && uptime && who && vmstat 1 60 ";        /*try {            String rs =   LinuxShh.exeCommand(host,port,userName,password,cmd);            System.out.println(rs);        } catch (JSchException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }*/        try {            LinuxShh.getLog(host,port,userName,password,cmd);        } catch (JSchException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }    }    /**    *@Author:lw    *@Description:  即時擷取命令日誌     * @param :host,port user,password cmmmand    *@Date:14:00 2018/8/6    */    public static void getLog(String host, int port, String user, String password, String command)throws JSchException, IOException{        JSch jsch = new JSch(); // 建立JSch對象        //String cmd = "vmstat 1 1";// 要啟動並執行命        String cmd = "uname -a && date && uptime && vmstat 1 60 ";  //>/home/linux_shell/m/vmstat.txt        Session session = jsch.getSession(user, host, port); // 根據使用者名稱，主機ip，連接埠擷取一個Session對象        session.setPassword(password); // 設定密碼        Properties config = new Properties();        config.put("StrictHostKeyChecking", "no");        session.setConfig(config); // 為Session對象設定properties        session.setTimeout(timeout); // 設定timeout時間        session.connect(); // 通過Session建立連結        ChannelExec channelExec = (ChannelExec) session.openChannel("exec");        channelExec.setCommand(command);        channelExec.setInputStream(null);        channelExec.setErrStream(System.err);        channelExec.connect();        InputStream in = channelExec.getInputStream();        BufferedReader reader = new BufferedReader(new InputStreamReader(in, Charset.forName("UTF-8")));        //寫入相應的檔案        BufferedWriter out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("d:\\2.txt"),"UTF-8"));        String buf = null;        StringBuffer sb = new StringBuffer();        System.out.println("您的IP是：" + host);        logger.info("您的IP是：" + host);        System.out.println("以下是：系統資源資訊：");        while ((buf = reader.readLine()) != null) {            sb.append(buf);            //寫入相關檔案            out.write(buf);            out.newLine();            System.out.println(buf);// 列印控制台輸出        }        //清楚緩衝        out.flush();        //關閉流        reader.close();        out.close();        channelExec.disconnect();        if (null != session) {            session.disconnect();        }    }    /**    *@Author:lw    *@Description:  去除全部結果後，才顯示處理，不是即時擷取資料    *@Date:13:53 2018/8/6    */    public static String exeCommand(String host, int port, String user, String password, String command) throws JSchException, IOException {        JSch jsch = new JSch();        Session session = jsch.getSession(user, host, port);        session.setConfig("StrictHostKeyChecking", "no");        session.setPassword(password);        session.connect();        session.setTimeout(timeout); // 設定timeout時間        ChannelExec channelExec = (ChannelExec) session.openChannel("exec");        InputStream in = channelExec.getInputStream();        channelExec.setCommand(command);        channelExec.setErrStream(System.err);        channelExec.connect();        String out = IOUtils.toString(in, "UTF-8");        channelExec.disconnect();        session.disconnect();        return out;    }}

結果：

java通過Linux擷取命令資訊並顯示出來