Java 获取iP地址

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package com.bonc.utils;   import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory;   import javax.servlet.http.HttpServletRequest;   /**  * IP地址  *  * @Author  * @email  * @Date  */ public class IPUtils {     private static Logger logger = LoggerFactory.getLogger(IPUtils.class);       /**      * 获取IP地址      *      * 使用Nginx等反向代理软件， 则不能通过request.getRemoteAddr()获取IP地址      * 如果使用了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP地址，X-Forwarded-For中第一个非unknown的有效IP字符串，则为真实IP地址      */     public static String getIpAddr(HttpServletRequest request) {         String ip = null;         try {             ip = request.getHeader("x-forwarded-for");             if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {                 ip = request.getHeader("Proxy-Client-IP");             }             if (StringUtils.isEmpty(ip) || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {                 ip = request.getHeader("WL-Proxy-Client-IP");             }             if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {                 ip = request.getHeader("HTTP_CLIENT_IP");             }             if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {                 ip = request.getHeader("HTTP_X_FORWARDED_FOR");             }             if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {                 ip = request.getRemoteAddr();             }         } catch (Exception e) {             logger.error("IPUtils ERROR = {}", e.getMessage());         }           //        //使用代理，则获取第一个IP地址 //        if(StringUtils.isEmpty(ip) && ip.length() > 15) { //          if(ip.indexOf(",") > 0) { //              ip = ip.substring(0, ip.indexOf(",")); //          } //      }             return ip;     }   }

　若在本级上获取的IP地址为0:0:0:0:0:0:0:1，则表示你的本机地址。当程序在你本地运行时，获取到的是ipv6的地址，当程序部署到服务器中时，就可获取到外网的ip地址，格式类似于192.168.1.1