52 lines
1.8 KiB
Java
52 lines
1.8 KiB
Java
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package com.zhgd.xmgl.util;
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import javax.servlet.http.HttpServletRequest;
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/**
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* @program: wisdomSite
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* @description: 获取IP地址
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* @author: Mr.Peng
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* @create: 2021-05-06 18:16
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**/
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public class IpUtil {
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public static String getRemortIP(HttpServletRequest request) {
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String ip = null;
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//X-Forwarded-For：Squid 服务代理
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String ipAddresses = request.getHeader("X-Forwarded-For");
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if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
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//Proxy-Client-IP：apache 服务代理
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ipAddresses = request.getHeader("Proxy-Client-IP");
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}
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if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
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//WL-Proxy-Client-IP：weblogic 服务代理
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ipAddresses = request.getHeader("WL-Proxy-Client-IP");
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}
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if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
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//HTTP_CLIENT_IP：有些代理服务器
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ipAddresses = request.getHeader("HTTP_CLIENT_IP");
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}
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if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
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//X-Real-IP：nginx服务代理
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ipAddresses = request.getHeader("X-Real-IP");
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}
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//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
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if (ipAddresses != null && ipAddresses.length() != 0) {
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ip = ipAddresses.split(",")[0];
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}
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//还是不能获取到，最后再通过request.getRemoteAddr();获取
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
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ip = request.getRemoteAddr();
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}
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return ip;
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}
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}
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