52 lines
1.8 KiB
Java
52 lines
1.8 KiB
Java
package com.zhgd.xmgl.util;
|
||
|
||
import javax.servlet.http.HttpServletRequest;
|
||
|
||
/**
|
||
* @program: wisdomSite
|
||
* @description: 获取IP地址
|
||
* @author: Mr.Peng
|
||
* @create: 2021-05-06 18:16
|
||
**/
|
||
|
||
public class IpUtil {
|
||
|
||
public static String getRemortIP(HttpServletRequest request) {
|
||
String ip = null;
|
||
|
||
//X-Forwarded-For：Squid 服务代理
|
||
String ipAddresses = request.getHeader("X-Forwarded-For");
|
||
|
||
if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
|
||
//Proxy-Client-IP：apache 服务代理
|
||
ipAddresses = request.getHeader("Proxy-Client-IP");
|
||
}
|
||
|
||
if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
|
||
//WL-Proxy-Client-IP：weblogic 服务代理
|
||
ipAddresses = request.getHeader("WL-Proxy-Client-IP");
|
||
}
|
||
|
||
if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
|
||
//HTTP_CLIENT_IP：有些代理服务器
|
||
ipAddresses = request.getHeader("HTTP_CLIENT_IP");
|
||
}
|
||
|
||
if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
|
||
//X-Real-IP：nginx服务代理
|
||
ipAddresses = request.getHeader("X-Real-IP");
|
||
}
|
||
|
||
//有些网络通过多层代理，那么获取到的ip就会有多个，一般都是通过逗号（,）分割开来，并且第一个ip为客户端的真实IP
|
||
if (ipAddresses != null && ipAddresses.length() != 0) {
|
||
ip = ipAddresses.split(",")[0];
|
||
}
|
||
|
||
//还是不能获取到，最后再通过request.getRemoteAddr();获取
|
||
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
|
||
ip = request.getRemoteAddr();
|
||
}
|
||
return ip;
|
||
}
|
||
}
|