package com.rzyc.utils;

import javax.servlet.http.HttpServletRequest;

/**
 * @author dong
 * @date 2023-11-22 14:32
 * @Version V1.0
 */
public class IpUtil {

    /**
     * 获取真实ip
     * @author: hanguodong
     * @date: 2023/6/6 22:12
     * @param: [request]
     * @return:
     **/
    public static String getIpAddr(HttpServletRequest request) {
        String ip = request.getHeader("X-Real-IP");
        if (ip != null && !"".equals(ip) && !"unknown".equalsIgnoreCase(ip)) {
            return ip;
        }
        ip = request.getHeader("X-Forwarded-For");
        if (ip != null && !"".equals(ip) && !"unknown".equalsIgnoreCase(ip)) {
            int index = ip.indexOf(',');
            if (index != -1) {
                return ip.substring(0, index);
            } else {
                return ip;
            }
        } else {
            return request.getRemoteAddr();
        }
    }

}