java 通过ip获取客户端mac地址
package com.asppro.util; import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.regex.Matcher;
import java.util.regex.Pattern; public class MacUtil { public static String getLocalMacByIp(String ip) throws SocketException, IOException{
NetworkInterface ne=NetworkInterface.getByInetAddress(InetAddress.getByName(ip));
byte[]mac=ne.getHardwareAddress();
String mac_s=hexByte(mac[0])+"-"+
hexByte(mac[1])+"-"+
hexByte(mac[2])+"-"+
hexByte(mac[3])+"-"+
hexByte(mac[4])+"-"+
hexByte(mac[5])
;
return mac_s;
} private static String hexByte(byte b)
{
String s="000000"+Integer.toHexString(b);
return s.substring(s.length()-2);
} /**
* 获取当前操作系统名称. return 操作系统名称 例如:windows,Linux,Unix等.
*/
public static String getOSName() {
return System.getProperty("os.name").toLowerCase();
} /**
* 获取Unix网卡的mac地址.
*
* @return mac地址
*/
public static String getUnixMACAddress() {
String mac = null;
BufferedReader bufferedReader = null;
Process process = null;
try {
/**
* Unix下的命令，一般取eth0作为本地主网卡 显示信息中包含有mac地址信息
*/
process = Runtime.getRuntime().exec("ifconfig eth0");
bufferedReader = new BufferedReader(new InputStreamReader(
process.getInputStream()));
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
/**
* 寻找标示字符串[hwaddr]
*/
index = line.toLowerCase().indexOf("hwaddr");
/**
* 找到了
*/
if (index != -1) {
/**
* 取出mac地址并去除2边空格
*/
mac = line.substring(index + "hwaddr".length() + 1).trim();
break;
}
}
} catch (IOException e) {
e.getMessage();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
bufferedReader = null;
process = null;
}
return mac;
} /**
* 获取Linux网卡的mac地址.
*
* @return mac地址
*/
public static String getLinuxMACAddress() {
String mac = null;
BufferedReader bufferedReader = null;
Process process = null;
try {
/**
* linux下的命令，一般取eth0作为本地主网卡 显示信息中包含有mac地址信息
*/
process = Runtime.getRuntime().exec("ifconfig eth0");
bufferedReader = new BufferedReader(new InputStreamReader(
process.getInputStream()));
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
index = line.toLowerCase().indexOf("硬件地址");
/**
* 找到了
*/
if (index != -1) {
/**
* 取出mac地址并去除2边空格
*/
mac = line.substring(index + 4).trim();
break;
}
}
} catch (IOException e) {
e.getMessage();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
bufferedReader = null;
process = null;
} return mac;
} /**
* 获取widnows网卡的mac地址.
*
* @return mac地址
*/
public static String getWindowsMACAddress() {
String mac = null;
BufferedReader bufferedReader = null;
Process process = null;
try {
/**
* windows下的命令，显示信息中包含有mac地址信息
*/
process = Runtime.getRuntime().exec("ipconfig /all");
bufferedReader = new BufferedReader(new InputStreamReader(
process.getInputStream(), "GBK")); // windows系统都是GBK编码，不加GBK读出的中文是乱码
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
/**
* 寻找标示字符串[physical address]
*/
index = line.toLowerCase().indexOf("physical address");
if (index == -1) {
/**
* 寻找标示字符串[物理地址]
*/
index = line.toLowerCase().indexOf("物理地址"); } if (index != -1) {
index = line.indexOf(":");
if (index != -1) {
/**
* 取出mac地址并去除2边空格
*/
mac = line.substring(index + 1).trim();
}
break;
}
}
} catch (IOException e) {
e.getMessage();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
bufferedReader = null;
process = null;
}
return mac;
} /**
* 获取widnows网卡的mac地址.
*
* @return mac地址
*/
public static String getWindowsMACAddress(String ip) {
String mac = null;
BufferedReader bufferedReader = null;
Process process = null;
try {
/**
* windows下的命令，显示信息中包含有mac地址信息
*/
// process = Runtime.getRuntime().exec("ipconfig /all");
process = Runtime.getRuntime().exec("nbtstat -A " + ip);
bufferedReader = new BufferedReader(new InputStreamReader(
process.getInputStream(), "GBK")); // windows系统都是GBK编码，不加GBK读出的中文是乱码
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
/**
* 寻找标示字符串[physical address]
*/
index = line.toLowerCase().indexOf("mac 地址 ="); if (index != -1) {
index = line.indexOf("=");
if (index != -1) {
/**
* 取出mac地址并去除2边空格
*/
mac = line.substring(index + 1).trim();
}
break;
}
}
} catch (IOException e) {
e.getMessage();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
bufferedReader = null;
process = null;
}
return mac;
} /**
* 获取客户端mac
*
* @description {TODO}
* @return
*/
public static String getMACAddress(String ip) {
String os = getOSName();
String mac = "";
if (os.startsWith("windows")) {
mac = getWindowsMACAddress(ip);
} else if (os.startsWith("linux")) {
mac = getLinuxMACAddress();
} else {
mac = getUnixMACAddress();
}
return mac;
} }