1 import java.net.InetAddress; 2 import java.net.NetworkInterface; 3 import java.net.SocketException; 4 import java.net.UnknownHostException; 5  6 public class MacAddress { 7  8     /** 9      * @param args10      * @throws UnknownHostException 11      * @throws SocketException 12      */13     public static void main(String[] args) throws UnknownHostException, SocketException {14 15         InetAddress ia = InetAddress.getLocalHost();16         System.out.println(ia);17         getLocalMac(ia);18     }19     private static void getLocalMac(InetAddress ia) throws SocketException {20         // TODO Auto-generated method stub21         //获取网卡，获取地址22         byte[] mac = NetworkInterface.getByInetAddress(ia).getHardwareAddress();23         24         System.out.println("mac数组长度："+mac.length);25         StringBuffer sb = new StringBuffer("");26         for(int i=0; i

 

下面这个方法是获取客户端请求地址

public String getClientIp(HttpServletRequest request) {        String ip = request.getHeader("x-forwarded-for");        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {            ip = request.getHeader("Proxy-Client-IP");        }        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {            ip = request.getHeader("WL-Proxy-Client-IP");        }        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {            ip = request.getRemoteAddr();        }        if(ip.trim().contains(",")){            String [] ips=ip.split(",");            ip=ips[0];        }        return ip;    }