只获取clientIP
package com.ppms.utils; import javax.servlet.http.HttpServletRequest; /**
* Created by liangyadong on 2018/9/6 0006.
*/
public class GetClientIPUtil { public static String getIpAddr(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.getHeader("HTTP-CLIENT-IP");
} if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)){
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
} if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)){
ip = request.getRemoteAddr();
}
return ip;
}
}
================================================我是分割线.==================================================
获取ip和mac地址:
jsp:
<%@ page import="com.ppms.utils.UdpGetClientMacAddr" %>
<%
String macAddress = "";
String sip = request.getHeader("x-forwarded-for");
if(sip == null || sip.length() == 0 || "unknown".equalsIgnoreCase(sip)) {
sip = request.getHeader("Proxy-Client-IP");
}
if(sip == null || sip.length() == 0 || "unknown".equalsIgnoreCase(sip)) {
sip = request.getHeader("WL-Proxy-Client-IP");
}
if(sip == null || sip.length() == 0 || "unknown".equalsIgnoreCase(sip)) {
sip = request.getRemoteAddr();
}
UdpGetClientMacAddr umac = new UdpGetClientMacAddr(sip);
macAddress = umac.GetRemoteMacAddr();
%>
<input id="mac" type="hidden" value="<%=macAddress%>">
java:
package com.ppms.utils; import java.io.IOException;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress; /**
* Created by liangyadong on 2018/8/6 0006.
*/
public class UdpGetClientMacAddr {
private String sRemoteAddr;
private int iRemotePort=137;
private byte[] buffer = new byte[1024];
private DatagramSocket ds=null; public UdpGetClientMacAddr(String strAddr) throws Exception{
sRemoteAddr = strAddr;
ds = new DatagramSocket();
} protected final DatagramPacket send(final byte[] bytes) throws IOException {
DatagramPacket dp = new DatagramPacket(bytes,bytes.length, InetAddress.getByName(sRemoteAddr),iRemotePort);
ds.send(dp);
return dp;
} protected final DatagramPacket receive() throws Exception {
DatagramPacket dp = new DatagramPacket(buffer,buffer.length);
ds.receive(dp);
return dp;
}
// 询问包结构:
// Transaction ID 两字节（16位） 0x00 0x00
// Flags 两字节（16位） 0x00 0x10
// Questions 两字节（16位） 0x00 0x01
// AnswerRRs 两字节（16位） 0x00 0x00
// AuthorityRRs 两字节（16位） 0x00 0x00
// AdditionalRRs 两字节（16位） 0x00 0x00
// Name:array [1..34] 0x20 0x43 0x4B 0x41(30个) 0x00 ;
// Type:NBSTAT 两字节 0x00 0x21
// Class:INET 两字节（16位）0x00 0x01
protected byte[] GetQueryCmd() throws Exception {
byte[] t_ns = new byte[50];
t_ns[0] = 0x00;
t_ns[1] = 0x00;
t_ns[2] = 0x00;
t_ns[3] = 0x10;
t_ns[4] = 0x00;
t_ns[5] = 0x01;
t_ns[6] = 0x00;
t_ns[7] = 0x00;
t_ns[8] = 0x00;
t_ns[9] = 0x00;
t_ns[10] = 0x00;
t_ns[11] = 0x00;
t_ns[12] = 0x20;
t_ns[13] = 0x43;
t_ns[14] = 0x4B; for(int i = 15; i < 45; i++)
{
t_ns[i] = 0x41;
} t_ns[45] = 0x00;
t_ns[46] = 0x00;
t_ns[47] = 0x21;
t_ns[48] = 0x00;
t_ns[49] = 0x01;
return t_ns;
}
// 表1 “UDP－NetBIOS－NS”应答包的结构及主要字段一览表
// 序号 字段名 长度
// 1 Transaction ID 两字节（16位）
// 2 Flags 两字节（16位）
// 3 Questions 两字节（16位）
// 4 AnswerRRs 两字节（16位）
// 5 AuthorityRRs 两字节（16位）
// 6 AdditionalRRs 两字节（16位）
// 7 Name<Workstation/Redirector> 34字节（272位）
// 8 Type:NBSTAT 两字节（16位）
// 9 Class:INET 两字节（16位）
// 10 Time To Live 四字节（32位）
// 11 Length 两字节（16位）
// 12 Number of name 一个字节（8位）
// NetBIOS Name Info 18×Number Of Name字节
// Unit ID 6字节（48位
protected final String GetMacAddr(byte[] brevdata) throws Exception {
// 获取计算机名
int i = brevdata[56] * 18 + 56;
String sAddr="";
StringBuffer sb = new StringBuffer(17);
// 先从第56字节位置，读出Number Of Names（NetBIOS名字的个数，其中每个NetBIOS Names Info部分占18个字节）
// 然后可计算出“Unit ID”字段的位置＝56＋Number Of Names×18，最后从该位置起连续读取6个字节，就是目的主机的MAC地址。
for(int j = 1; j < 7;j++)
{
sAddr = Integer.toHexString(0xFF & brevdata[i+j]);
if(sAddr.length() < 2)
{
sb.append(0);
}
sb.append(sAddr.toUpperCase());
// if(j < 6) sb.append(':');//用:分隔
if(j < 6) sb.append('-');//用-分隔
}
return sb.toString();
} public final void close() {
try
{
ds.close();
}
catch (Exception ex){
ex.printStackTrace();
}
} public final String GetRemoteMacAddr() throws Exception {
byte[] bqcmd = GetQueryCmd();
send(bqcmd);
DatagramPacket dp = receive();
String smac = GetMacAddr(dp.getData());
close(); return smac;
} public 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) {
e.printStackTrace(System.out);
}
return macAddress;
} }
注意106和107两行的注释.