解决使用了nginx获取IP地址都是127.0.0.1 的问题

获取ip工具

import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;

import javax.servlet.http.HttpServletRequest;


@Slf4j
public class IPUtils {

    
    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) {
     log.error("IPUtils ERROR ", e);
 }
 
 //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;
    }
    
}

如果你使用了nginx 则获取到的ip都会是127.0.0.1

在代理中加入如下配置proxy_set_header x-forwarded-for $remote_addr;

server {
 listen   80;
 server_name     api.qimen.pro;
 # 服务器文件上传大小限制
 client_max_body_size 10M;
 location / {
     proxy_pass   http://gymserver;
     proxy_set_header x-forwarded-for  $remote_addr;
 }
    }

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