1、java代码
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/** 获取客户端IP */ public static final String getClientIp(HttpServletRequest request) { String ip = request.getHeader("X-Forwarded-For"); if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)|| "127.0.0.1".equalsIgnoreCase(ip)) { ip = request.getHeader("Proxy-Client-IP"); } if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)|| "127.0.0.1".equalsIgnoreCase(ip)) { ip = request.getHeader("WL-Proxy-Client-IP"); } if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)|| "127.0.0.1".equalsIgnoreCase(ip)) { ip = request.getHeader("X-Real-IP"); } if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)|| "127.0.0.1".equalsIgnoreCase(ip)) { ip = request.getRemoteAddr(); } if (StringUtils.isBlank(ip) ||"127.0.0.1".equals(ip)|| ip.indexOf(":") > -1) { try { ip = InetAddress.getLocalHost().getHostAddress(); } catch (UnknownHostException e) { ip = null; } } // 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割 if (ip != null && ip.length() > 15) { if (ip.indexOf(",") > 0) { ip = ip.substring(0, ip.indexOf(",")); } } return ip; } |
2、nginx需要进行相应修改,重点 proxy_set_header
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server { listen xxxx; server_name 127.0.0.1; # 静态页面目录 root xxxxxxxxxx; # 默认首页 index login.html; proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header REMOTE-HOST $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Methods 'GET,POST'; add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization'; #proxy_cookie_path /* /*; client_max_body_size 100m; location / { proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header REMOTE-HOST $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization'; add_header Access-Control-Allow-Methods GET,POST,OPTIONS; ...... } } |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://www.cnblogs.com/xiufengd/p/13625361.html
