1、调用处
HttpServletRequest request = SpringContextUtils.getHttpServletRequest();
String ipAddr = IpUtils.getIpAddress(request);
log.info("ipAddr:{}",ipAddr);
2、Iputils
import javax.servlet.http.HttpServletRequest;
import java.net.InetAddress;
import java.net.UnknownHostException;
/**
* 获取IP方法
*/
public class IpUtils {
/**
* 获取用户真实IP地址，不使用request.getRemoteAddr();的原因是有可能用户使用了代理软件方式避免真实IP地址,
* <p>
* 可是，如果通过了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP值，究竟哪个才是真正的用户端的真实IP呢？
* 答案是取X-Forwarded-For中第一个非unknown的有效IP字符串。
* <p>
* 如：X-Forwarded-For：192.168.1.110, 192.168.1.120, 192.168.1.130,
* 192.168.1.100
* <p>
* 用户真实IP为： 192.168.1.110
*
*/
public static String getIpAddress(HttpServletRequest request) {
String ip = request.getHeader("x-forwarded-for");
String unknown = "unknown";
if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_CLIENT_IP");
}
if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
return ip;
}
}
**特别注意：**如果使用到了nginx代理的话，需要在nginx.cofig内加上下面配置文章来源：https://www.toymoban.com/news/detail-572719.html
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $host:$server_port;
效果：
加油，奥利给文章来源地址https://www.toymoban.com/news/detail-572719.html
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