获取当前网络的IP和MAC

电玩女神 2024-04-18 09:06 32阅读 0赞

import lombok.extern.slf4j.Slf4j;
    
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.LineNumberReader;
    import java.net.InetAddress;
    import java.net.UnknownHostException;
    
    import javax.servlet.http.HttpServletRequest;
    @Slf4j
    public class IpUtils {
        private IpUtils() {
        }
    
        /**
         * 获取当前网络ip
         * @param request
         * @return
         */
        public static String getIpAddr(HttpServletRequest request){
            String ipAddress = request.getHeader("x-forwarded-for");
            if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
                ipAddress = request.getHeader("Proxy-Client-IP");
            }
            if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
                ipAddress = request.getHeader("WL-Proxy-Client-IP");
            }
            if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
                ipAddress = request.getRemoteAddr();
                if(ipAddress.equals("127.0.0.1") || ipAddress.equals("0:0:0:0:0:0:0:1")){
                    //根据网卡取本机配置的IP
                    InetAddress inet=null;
                    try {
                        inet = InetAddress.getLocalHost();
                    } catch (UnknownHostException e) {
                        log.error("UnknownHostException",e);
                    }
                    ipAddress= inet.getHostAddress();
                }
            }
            //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(ipAddress!=null && ipAddress.length()>15){ //"***.***.***.***".length() = 15
                if(ipAddress.indexOf(",")>0){
                    ipAddress = ipAddress.substring(0,ipAddress.indexOf(","));
                }
            }
            return ipAddress;
        }
    
        /**
         * 获得MAC地址
         * @param ip
         * @return
         */
        public static String getMACAddress(String ip){
            String str = "";
            String macAddress = "";
            try {
                Process p = Runtime.getRuntime().exec("nbtstat -A " + ip);
                InputStreamReader ir = new InputStreamReader(p.getInputStream());
                LineNumberReader input = new LineNumberReader(ir);
                for (int i = 1; i < 100; i++) {
                    str = input.readLine();
                    if (str != null) {
                        if (str.indexOf("MAC Address") > 1) {
                            macAddress = str.substring(str.indexOf("MAC Address") + 14, str.length());
                            break;
                        }
                    }
                }
            } catch (IOException e) {
                log.error("IOException",e);
            }
            return macAddress;
        }
    
    }