java获取登录内网ip地址

Posted 2021-05-21 未来。。。one

java获取登录内网ip地址

最近好多小伙伴在和我说怎么java怎么获取登录的ip地址，今天就分享一下我的方法了。

1、直接获取ip地址

//获取request请求
HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
//获取IP地址
String ipaddr = request.getRemoteAddr();
if(ipaddr == "0:0:0:0:0:0:0:1"){
   ipaddr ="127.0.0.1";
}
System.out.println(ipaddr);

2、第二种封装成util工具类

public class IPUtil {
    /**
     * 获取ip
     */
    public static String getIp(HttpServletRequest request) {
        if (request == null)
            return "";
        String ip = request.getHeader("X-Requested-For");
        if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("X-Forwarded-For");
        }
        if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (StringUtils.isEmpty(ip) || "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();
        }
        if ("0:0:0:0:0:0:0:1".equals(ip)) {
            return "127.0.0.1";
        }
        return ip;
    }

    public static boolean isLocalHost(String ip) {
        return "127.0.0.1".equals(ip) || "localhost".equals(ip);
    }
}

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