用純Java程式碼根據IP獲取windows和linux的MAC實體地址
阿新 • • 發佈：2019-02-03
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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*
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* 根據ip獲取mac地址
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*
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*/
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public class GetMacAddress {
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public static String callCmd(String[] cmd) {
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String result = "";
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String line = "";
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try {
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Process proc = Runtime.getRuntime().exec(cmd);
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InputStreamReader is = new InputStreamReader(proc.getInputStream());
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BufferedReader br = new BufferedReader (is);
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while ((line = br.readLine ()) != null) {
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result += line;
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}
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}
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catch(Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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*
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* @param cmd 第一個命令
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* @param another 第二個命令
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* @return 第二個命令的執行結果
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*/
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public static String callCmd(String[] cmd,String[] another) {
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String result = "";
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String line = "";
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try {
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Runtime rt = Runtime.getRuntime();
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Process proc = rt.exec(cmd);
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proc.waitFor(); //已經執行完第一個命令，準備執行第二個命令
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proc = rt.exec(another);
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InputStreamReader is = new InputStreamReader(proc.getInputStream());
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BufferedReader br = new BufferedReader (is);
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while ((line = br.readLine ()) != null) {
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result += line;
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}
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}
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catch(Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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*
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* @param ip 目標ip,一般在區域網內
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* @param sourceString 命令處理的結果字串
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* @param macSeparator mac分隔符號
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* @return mac地址，用上面的分隔符號表示
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*/
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public static String filterMacAddress(final String ip, final String sourceString,final String macSeparator) {
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String result = "";
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String regExp = "((([0-9,A-F,a-f]{1,2}" + macSeparator + "){1,5})[0-9,A-F,a-f]{1,2})";
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Pattern pattern = Pattern.compile(regExp);
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Matcher matcher = pattern.matcher(sourceString);
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while(matcher.find()){
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result = matcher.group(1);
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if(sourceString.indexOf(ip) <= sourceString.lastIndexOf(matcher.group(1))) {
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break; //如果有多個IP,只匹配本IP對應的Mac.
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}
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}
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return result;
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}
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/**
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*
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* @param ip 目標ip
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* @return Mac Address
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*
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*/
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public static String getMacInWindows(final String ip){
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String result = "";
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String[] cmd = {
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"cmd",
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"/c",
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"ping " + ip
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};
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String[] another = {
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"cmd",
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"/c",
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"arp -a"
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};
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String cmdResult = callCmd(cmd,another);
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result = filterMacAddress(ip,cmdResult,"-");
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return result;
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}
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/**
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*
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* @param ip 目標ip
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* @return Mac Address
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*
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*/
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public static String getMacInLinux(final String ip){
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String result = "";
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String[] cmd = {
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"/bin/sh",
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"-c",
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"ping " + ip + " -c 2 && arp -a"
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};
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String cmdResult = callCmd(cmd);
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result = filterMacAddress(ip,cmdResult,":");
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return result;
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}
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/**
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* 獲取MAC地址
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* @return 返回MAC地址
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*/
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public static String getMacAddress(String ip){
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String macAddress = "";
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macAddress = getMacInWindows(ip).trim();
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if(macAddress==null||"".equals(macAddress)){
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macAddress = getMacInLinux(ip).trim();
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}
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return macAddress;
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}
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/**
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* 測試
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*/
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public static void main(String[] args) {
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System.out.println(getMacAddress("192.168.2.184"));
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}
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