时间:2021-05-19
复制代码 代码如下:
package com.yswc.dao.sign;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
*
* 获取MAC地址
*
* @author
*
* 2011-12
*
*/
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);
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;
}
public static void main(String[] args) {
String mac=getMacAddress("192.168.1.102");
System.out.println("mac:"+mac);
}
}
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