java执行linux命令获取MAC和ip地址

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  /**     *获取linux Ubuntu网卡的mac地址     */    public static  String  getmacAddressByLinux(){        String mac = "";        String[] commands = new String[]{"/bin/bash", "-c", "ifconfig eth0|grep 'HWaddr'|awk -F ' ' '{print $5}'"};        try {              mac =RmtShellExecutor.execArrayCmdRetrun("commands", commands);        } catch (Exception e) {            e.printStackTrace();        }        return mac;    }

 /**     *  获取linux Ubuntu eth0 内网ip地址     */    public static String getinternalAddressByLinux(){        String ip ="";        String[] commands = new String[]{"/bin/bash", "-c", "ifconfig eth0|grep 'inet addr'|awk -F  ':'  '{print $2}'|awk '{print $1}'"};        try {           ip =RmtShellExecutor.execArrayCmdRetrun("commands", commands);        } catch (Exception e) {            e.printStackTrace();        }        return ip;    }

 /**     *      * @param message     * @param args     * @return     * @throws Exception     */    public static String execArrayCmdRetrun(String message, String[] args) throws Exception {        log.debug("---执行linux shell ---");        log.debug(message + ":");        String result = "";        Process process = Runtime.getRuntime().exec(args);        for (String arg : args) {            System.out.println(arg);            System.out.print(" ");        }        BufferedReader errorReader = new BufferedReader(new InputStreamReader(process.getErrorStream()));        String line = null;        while ((line = errorReader.readLine()) != null) {            System.out.println("--errorReader--:"+line);        }        errorReader.close();        BufferedReader infoReader = new BufferedReader(new InputStreamReader(process.getInputStream()));        while ((line = infoReader.readLine()) != null) {            System.out.println("--infoReader--:"+line);            result = line;        }        infoReader.close();        log.debug("");        return result;    }

 /**     * 获取widnows网卡的mac地址.     *     * @return mac地址     */    public static String getWindowsMACAddress() {        String mac = null;        BufferedReader bufferedReader = null;        Process process = null;        try {            // windows下的命令，显示信息中包含有mac地址信息            process = Runtime.getRuntime().exec("ipconfig /all");            bufferedReader = new BufferedReader(new InputStreamReader(                    process.getInputStream()));            String line = null;            int index = -1;            while ((line = bufferedReader.readLine()) != null) {                // 寻找标示字符串[physical                index = line.toLowerCase().indexOf("physical address");                if (index >= 0) {// 找到了                    index = line.indexOf(":");// 寻找":"的位置                    if (index >= 0) {                        // 取出mac地址并去除2边空格                        mac = line.substring(index + 1).trim();                    }                    break;                }            }        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                if (bufferedReader != null) {                    bufferedReader.close();                }            } catch (IOException e1) {                e1.printStackTrace();            }            bufferedReader = null;            process = null;        }        return mac;    }    /**     * windows 7 专用 获取MAC地址     *     * @return     *     * @throws Exception     */    public static String getMACAddress() throws Exception {        // 获取本地IP对象        InetAddress ia = InetAddress.getLocalHost();        // 获得网络接口对象（即网卡），并得到mac地址，mac地址存在于一个byte数组中。        byte[] mac = NetworkInterface.getByInetAddress(ia).getHardwareAddress();        // 下面代码是把mac地址拼装成String        StringBuffer sb = new StringBuffer();        for (int i = 0; i < mac.length; i++) {            if (i != 0) {                sb.append("-");            }            // mac[i] & 0xFF 是为了把byte转化为正整数            String s = Integer.toHexString(mac[i] & 0xFF);            sb.append(s.length() == 1 ? 0 + s : s);        }        // 把字符串所有小写字母改为大写成为正规的mac地址并返回        return sb.toString().toUpperCase();    }

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