Method getIpAddr

src/main/java/cn/hellohao/utils/GetIPS.java:28–45

(HttpServletRequest request)

    }

    public static String getIpAddr(HttpServletRequest request){
        String ip = request.getHeader("X-Forwarded-For");
        if(org.apache.commons.lang3.StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)){
            //多次反向代理后会有多个ip值，第一个ip才是真实ip
            int index = ip.indexOf(",");
            if(index != -1){
                return ip.substring(0,index);
            }else{
                return ip;
            }
        }
        ip = request.getHeader("X-Real-IP");
        if(org.apache.commons.lang3.StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)){
            return ip;
        }
        return request.getRemoteAddr();

    }


}