通过ip信息获取电脑mac地址： 插网线时的mac 蓝牙的mac 无线网卡mac 各种虚拟机的mac

public class MACAddress {

public static String callCmd(String[] cmd) {
    String result = "";
    String line = "";
    try {
        Process proc = Runtime.getRuntime().exec(cmd);
        InputStreamReader is = new InputStreamReader(proc.getInputStream());
        BufferedReader br = new BufferedReader (is);
        while ((line = br.readLine ()) != null) {
            result += line;
        }
    }
    catch(Exception e) {
        e.printStackTrace();
    }
    return result;
}

/**
 *
 * @param cmd 第一个命令
 * @param another 第二个命令
 * @return  第二个命令的执行结果
 */
public static String callCmd(String[] cmd,String[] another) {
    String result = "";
    String line = "";
    try {
        Runtime rt = Runtime.getRuntime();
        Process proc = rt.exec(cmd);
        proc.waitFor(); //已经执行完第一个命令，准备执行第二个命令
        proc = rt.exec(another);
        InputStreamReader is = new InputStreamReader(proc.getInputStream());
        BufferedReader br = new BufferedReader (is);
        while ((line = br.readLine ()) != null) {
            result += line;
        }
    }
    catch(Exception e) {
        e.printStackTrace();
    }
    return result;
}



/**
 *
 * @param ip 目标ip,一般在局域网内
 * @param sourceString 命令处理的结果字符串
 * @param macSeparator mac分隔符号
 * @return mac地址，用上面的分隔符号表示
 */
public static String filterMacAddress(final String ip, final String sourceString,final String macSeparator) {
    String result = "";
    String regExp = "((([0-9,A-F,a-f]{1,2}" + macSeparator + "){1,5})[0-9,A-F,a-f]{1,2})";
    Pattern pattern = Pattern.compile(regExp);
    Matcher matcher = pattern.matcher(sourceString);
    while(matcher.find()){
        result = matcher.group(1);
        if(sourceString.indexOf(ip) <= sourceString.lastIndexOf(matcher.group(1))) {
            break; //如果有多个IP,只匹配本IP对应的Mac.
        }
    }

    return result;
}

public static String filterSnAddress(final String ip, final String sourceString,final String macSeparator) {
    String result = "";
    String regExp = "((([0-9,A-F,a-f]{1,2}" + macSeparator + "){1,5})[0-9,A-F,a-f]{1,2})";
    Pattern pattern = Pattern.compile(regExp);
    Matcher matcher = pattern.matcher(sourceString);
    while(matcher.find()){
        result = matcher.group(1);
        if(sourceString.indexOf(ip) <= sourceString.lastIndexOf(matcher.group(1))) {
            break; //如果有多个IP,只匹配本IP对应的Mac.
        }
    }

    return result;
}



/**
 *
 * @param ip 目标ip
 * @return  Mac Address
 *
 */
public static String getMacInWindows(final String ip){
    String result = "";
    String[] cmd = {
            "cmd",
            "/c",
            "ping " + ip
    };
    String[] another = {
            "cmd",
            "/c",
            "arp -a"
    };

    String cmdResult = callCmd(cmd,another);
    result = filterMacAddress(ip,cmdResult,"-");

    return result;
}

/**
 * @param ip 目标ip
 * @return  Mac Address
 *
 */
public static String getMacInLinux(final String ip){
    String result = "";
    String[] cmd = {
            "/bin/sh",
            "-c",
            "ping " + ip + " -c 2 && arp -a"
    };
    String cmdResult = callCmd(cmd);
    result = filterMacAddress(ip,cmdResult,":");

    return result;
}

/**
 * 获取MAC地址
 * @return 返回MAC地址
 */
public static String getMacAddress(String ip){
    String macAddress = "";
    macAddress = getMacInWindows(ip).trim();
    if(macAddress==null||"".equals(macAddress)){
        macAddress = getMacInLinux(ip).trim();
    }
    return macAddress;
}

//做个测试
public static void main(String[] args) {
    System.out.println(getMacInWindows("192.168.7.138"));
    System.out.println(getMacAddress("192.168.7.138"));
    System.out.println(getMacInLinux("192.168.1.102"));
}
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}
通过ip地址获取电脑mac地址：
插网线时的mac
蓝牙的mac
无线网卡mac
各种虚拟机的mac