javaはipでmacアドレスを取得します。


もっと読む
package com.yjf.test;

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


/**
*   MAC  
* @author sunlightcs
* 2011-4-29
* http://hi.juziku.com/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        
      * @param another       
      * @return              
      */  
     public static String callCmd(String[] cmd,String[] another) {  
         String result = "";  
         String line = "";  
         try {  
             Runtime rt = Runtime.getRuntime();  
             Process proc = rt.exec(cmd);  
             proc.waitFor();  //          ,           
             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    ip,        
      * @param sourceString            
      * @param macSeparator mac     
      * @return  mac  ,           
      */  
     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;  //     IP,    IP   Mac.  
             }  
         }
   
         return result;  
     }
     
     
     
     /** 
      * 
      * @param ip   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   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;  
     }  
     
     /**
      *   MAC   
      * @return   MAC  
      */
     public static String getMacAddress(String ip){
         String macAddress = "";
         macAddress = getMacInWindows(ip).trim();
         if(macAddress==null||"".equals(macAddress)){
             macAddress = getMacInLinux(ip).trim();
         }
         return macAddress;
     }
              /** 
     *    
     */  
     public static void main(String[] args) {           
         System.out.println(getMacAddress("220.181.111.148"));
     }
    
}

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