直接上代码
import org.apache.commons.lang.text.StrTokenizer;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.util.Enumeration;
import java.util.regex.Pattern;
import javax.servlet.http.HttpServletRequest;
/**
* ClassName: IpUtil
* @Description: user-agent
* user-agent 值可参考以下值
* https://blog.csdn.net/u012175089/article/details/61199238/
* @author JornTang
* @email 957707261@qq.com
* @date 2017年8月17日
*/
public class IpUtil {
private static final Logger logger = LoggerFactory.getLogger(IpUtil.class);
public static final String _255 = "(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)";
public static final Pattern pattern = Pattern.compile("^(?:" + _255 + "\\.){3}" + _255 + "$");
private static final String ANYHOST = "0.0.0.0";
private static final String LOCALHOST = "127.0.0.1";
public static final Pattern IP_PATTERN = Pattern.compile("\\d{1,3}(\\.\\d{1,3}){3,5}$");
private static volatile InetAddress LOCAL_ADDRESS = null;
/**
* 访问来源
*/
public static String ipFrom(HttpServletRequest request){
String requestHeader = request.getHeader("user-agent");
if(StringUtils.isEmpty(requestHeader)) {
return "未知来源";
}
requestHeader = requestHeader.toLowerCase();
// 苹果
String[] macDeviceArr = new String[] {"mac os", "ipad", "ipod", "iphone"};
for(int i = 0; i< macDeviceArr.length; i++) {
if(requestHeader.indexOf(macDeviceArr[i]) > 0) {
return "苹果";
}
}
// 安卓
String[] androidDeviceArr = new String[] {"android", "adr"};
for(int i = 0; i< androidDeviceArr.length; i++) {
if(requestHeader.indexOf(androidDeviceArr[i]) > 0) {
return "安卓";
}
}
// 其他移动端
String[] othDeviceArr = new String[] {"mobile", "windows phone", "windows ce"};
for(int i = 0; i< othDeviceArr.length; i++) {
if(requestHeader.indexOf(othDeviceArr[i]) > 0) {
return "其他移动端";
}
}
return "PC端";
}
/**
* 终端名称
*/
public static String terminal(HttpServletRequest request){
String requestHeader = request.getHeader("user-agent");
if(StringUtils.isEmpty(requestHeader)) {
return "未知终端";
}
requestHeader = requestHeader.toLowerCase();
// ipad
String[] ipadDeviceArr = new String[] {"ipad", "ipod"};
for(int i = 0; i< ipadDeviceArr.length; i++) {
if(requestHeader.indexOf(ipadDeviceArr[i]) > 0) {
return "ipad";
}
}
// 手机
String[] mobileDeviceArr = new String[] {"android", "adr", "iphone", "mobile", "windows phone", "windows ce"};
for(int i = 0; i< mobileDeviceArr.length; i++) {
if(requestHeader.indexOf(mobileDeviceArr[i]) > 0) {
return "手机";
}
}
// 电脑
String[] pcDeviceArr = new String[] {"windowsnt", "windows nt"};
for(int i = 0; i< pcDeviceArr.length; i++) {
if(requestHeader.indexOf(pcDeviceArr[i]) > 0) {
return "电脑";
}
}
return "其他";
}
/**
* 浏览器类型
*/
public static String browser(HttpServletRequest request){
String requestHeader = request.getHeader("user-agent");
if(StringUtils.isEmpty(requestHeader)) {
return "未知来源";
}
requestHeader = requestHeader.toLowerCase();
String[] browserArr = new String[] {"msie", "firefox", "chrome", "opera", "safari", "360se", "ucweb", "qqbrowser", "tencenttraveler"};
for(int i = 0; i< browserArr.length; i++) {
if(requestHeader.indexOf(browserArr[i]) > 0) {
return browserArr[i];
}
}
return "其他浏览器";
}
/**
* valid address
* @param address
* @return
*/
private static boolean isValidAddress(InetAddress address) {
if (address == null || address.isLoopbackAddress())
return false;
String name = address.getHostAddress();
return (name != null
&& ! ANYHOST.equals(name)
&& ! LOCALHOST.equals(name)
&& IP_PATTERN.matcher(name).matches());
}
/**
* get first valid addredd
* @return
*/
private static InetAddress getFirstValidAddress() {
InetAddress localAddress = null;
try {
localAddress = InetAddress.getLocalHost();
if (isValidAddress(localAddress)) {
return localAddress;
}
} catch (Throwable e) {
logger.error("Failed to retriving ip address, " + e.getMessage(), e);
}
try {
Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
if (interfaces != null) {
while (interfaces.hasMoreElements()) {
try {
NetworkInterface network = interfaces.nextElement();
Enumeration<InetAddress> addresses = network.getInetAddresses();
if (addresses != null) {
while (addresses.hasMoreElements()) {
try {
InetAddress address = addresses.nextElement();
if (isValidAddress(address)) {
return address;
}
} catch (Throwable e) {
logger.error("Failed to retriving ip address, " + e.getMessage(), e);
}
}
}
} catch (Throwable e) {
logger.error("Failed to retriving ip address, " + e.getMessage(), e);
}
}
}
} catch (Throwable e) {
logger.error("Failed to retriving ip address, " + e.getMessage(), e);
}
logger.error("Could not get local host ip address, will use 127.0.0.1 instead.");
return localAddress;
}
/**
* get address
* @return
*/
private static InetAddress getAddress() {
if (LOCAL_ADDRESS != null)
return LOCAL_ADDRESS;
InetAddress localAddress = getFirstValidAddress();
LOCAL_ADDRESS = localAddress;
return localAddress;
}
/**
* 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) {
e.printStackTrace();
}
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;
}
/**
* get ip
* @return
*/
public static String getIp(){
InetAddress address = getAddress();
if (address==null) {
return null;
}
return address.getHostAddress();
}
/**
* get ip:port
* @param port
* @return
*/
public static String getIpPort(int port){
String ip = getIp();
if (ip==null) {
return null;
}
return ip.concat(":").concat(String.valueOf(port));
}
public static void main(String[] args) throws UnknownHostException {
System.out.println(getFirstValidAddress());
System.out.println(getIpPort(8080));
}
public static String longToIpV4(long longIp) {
int octet3 = (int) ((longIp >> 24) % 256);
int octet2 = (int) ((longIp >> 16) % 256);
int octet1 = (int) ((longIp >> 8) % 256);
int octet0 = (int) ((longIp) % 256);
return octet3 + "." + octet2 + "." + octet1 + "." + octet0;
}
public static long ipV4ToLong(String ip) {
String[] octets = ip.split("\\.");
return (Long.parseLong(octets[0]) << 24) + (Integer.parseInt(octets[1]) << 16)
+ (Integer.parseInt(octets[2]) << 8) + Integer.parseInt(octets[3]);
}
public static boolean isIPv4Private(String ip) {
long longIp = ipV4ToLong(ip);
return (longIp >= ipV4ToLong("10.0.0.0") && longIp <= ipV4ToLong("10.255.255.255"))
|| (longIp >= ipV4ToLong("172.16.0.0") && longIp <= ipV4ToLong("172.31.255.255"))
|| longIp >= ipV4ToLong("192.168.0.0") && longIp <= ipV4ToLong("192.168.255.255");
}
public static boolean isIPv4Valid(String ip) {
return pattern.matcher(ip).matches();
}
public static String getIpFromRequest(HttpServletRequest request) {
String ip;
boolean found = false;
if ((ip = request.getHeader("x-forwarded-for")) != null) {
StrTokenizer tokenizer = new StrTokenizer(ip, ",");
while (tokenizer.hasNext()) {
ip = tokenizer.nextToken().trim();
if (isIPv4Valid(ip) && !isIPv4Private(ip)) {
found = true;
break;
}
}
}
if (!found) {
ip = request.getRemoteAddr();
}
return ip;
}
/**
* 获取用户IP地址
*
* @param request
* @return
*/
public static String getIpAddrs(final 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 == 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");
}
// 如果是多级代理，那么取第一个ip为客户ip
if (ip != null && ip.indexOf(",") != -1) {
ip = ip.substring(ip.lastIndexOf(",") + 1, ip.length()).trim();
}
if (ip.indexOf("0:") != -1) {
ip = "本地";
}
StringBuffer sb=new StringBuffer();
sb.append(";x-forwarded-for:"+request.getHeader("x-forwarded-for"));
sb.append(";Proxy-Client-IP:"+request.getHeader("Proxy-Client-IP"));
sb.append(";WL-Proxy-Client-IP:"+request.getHeader("WL-Proxy-Client-IP"));
sb.append("getRemoteAddr:"+request.getRemoteAddr());
sb.append(";http_client_ip:"+request.getHeader("http_client_ip"));
sb.append(";HTTP_X_FORWARDED_FOR:"+request.getHeader("HTTP_X_FORWARDED_FOR"));
// log.error("获取ip："+sb.toString()+"\n头部信息");
Enumeration he=request.getHeaderNames();
while(he.hasMoreElements()){
Object name=he.nextElement();
String value=request.getHeader(name.toString());
sb.append("header:"+name);
sb.append("="+value+",headers:");
Enumeration e=request.getHeaders(name.toString());
while(e.hasMoreElements()){
sb.append((String ) e.nextElement()+"------");
}
sb.append("\n");
}
return ip;
}
}
作者：[云软科技-档案管理系统](http://www.gzyrkj.net) JornTang (微信同号)
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