获取客户端信息工具类

import com.wangyao.common.constant.ConstantNumeral;
import jakarta.annotation.Nullable;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.constraints.NotNull;
import lombok.extern.slf4j.Slf4j;import java.io.IOException;
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.Enumeration;/*** 常用获取客户端信息的工具** @author lisong*/
@SuppressWarnings("ALL")
@Slf4j
public class NetworkUtil {public static final String UNKNOWN = "unknown";public static final String LOCALHOST = "localhost";public static final String STRING = "127.0.0.1";public static final String STRING1 = "0:0:0:0:0:0:0:1";public static final String STR = ",";public static final int INT = 15;/*** 获取ip地址*/@Nullablepublic static String getIpAddress(@NotNull HttpServletRequest request) {String ip = request.getHeader("x-forwarded-for");if (ip == null || ip.isEmpty() || UNKNOWN.equalsIgnoreCase(ip)) {ip = request.getHeader("Proxy-Client-IP");}if (ip == null || ip.isEmpty() || UNKNOWN.equalsIgnoreCase(ip)) {ip = request.getHeader("WL-Proxy-Client-IP");}if (ip == null || ip.isEmpty() || UNKNOWN.equalsIgnoreCase(ip)) {ip = request.getHeader("HTTP_CLIENT_IP");}if (ip == null || ip.isEmpty() || UNKNOWN.equalsIgnoreCase(ip)) {ip = request.getHeader("HTTP_X_FORWARDED_FOR");}if (ip == null || ip.isEmpty() || UNKNOWN.equalsIgnoreCase(ip)) {ip = request.getRemoteAddr();}// 本机访问if (LOCALHOST.equalsIgnoreCase(ip) || STRING.equalsIgnoreCase(ip) || STRING1.equalsIgnoreCase(ip)) {// 根据网卡取本机配置的IPInetAddress inet;try {inet = InetAddress.getLocalHost();ip = inet.getHostAddress();} catch (UnknownHostException e) {log.error(e.getMessage());}}// 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割if (null != ip && ip.length() > INT) {if (ip.indexOf(STR) > INT) {ip = ip.substring(0, ip.indexOf(STR));}}return ip;}@Nullablepublic static String getIPAddress() {try {Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();while (interfaces.hasMoreElements()) {NetworkInterface networkInterface = interfaces.nextElement();Enumeration<InetAddress> addresses = networkInterface.getInetAddresses();while (addresses.hasMoreElements()) {InetAddress address = addresses.nextElement();if (!address.isLoopbackAddress() && !address.isLinkLocalAddress() && address.isSiteLocalAddress()) {return address.getHostAddress();}}}} catch (Exception e) {e.printStackTrace();}return null;}/*** 获取mac地址*/public static String getMacAddress() throws Exception {// 取mac地址byte[] macAddressBytes = NetworkInterface.getByInetAddress(InetAddress.getLocalHost()).getHardwareAddress();// 下面代码是把mac地址拼装成StringStringBuilder sb = new StringBuilder();for (int i = 0; i < macAddressBytes.length; i++) {if (i != 0) {sb.append("-");}// mac[i] & 0xFF 是为了把byte转化为正整数String s = Integer.toHexString(macAddressBytes[i] & 0xFF);sb.append(s.length() == 1 ? 0 + s : s);}return sb.toString().trim().toUpperCase();}/*** 获取MAC地址(如果获取ip为127.0.0.1的话就不会得到值了。)** @throws UnknownHostException* @throws SocketException*/public static String getMACAddress(String ip) throws Exception {if (STRING.equals(ip)) {return getMacAddress();}String str;String macAddress = "";try {Process process = Runtime.getRuntime().exec("nbtstat -A " + ip);InputStreamReader inputReader = new InputStreamReader(process.getInputStream());LineNumberReader lineReader = new LineNumberReader(inputReader);for (int i = 1; i < ConstantNumeral.ONE_HUNDRED.value(); i++) {str = lineReader.readLine();if (str != null) {if (str.indexOf("=") > 1) {macAddress = str.substring(str.indexOf("=") + 2);break;}}}} catch (IOException e) {log.error(e.getMessage());}return macAddress;}public static void main(String[] args) throws Exception {System.out.println(getMACAddress("175.167.139.28"));}