java获取mac地址-屏蔽ip封mac地址

java通过ip获取mac地址-封ip封mac地址

package com.yjf.test;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
* 获取MAC地址 www.zzzyk.com
* @author sunlightcs

*/
public class GetMacAddress {

     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;
     }



     /**
      *
      * @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);
     &n

补充：软件开发 , Java ,