通过Nginx作为前端服务器转发后,获取到的并不是真实的IP,需要通过下面一段才能获得真实的IP
proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
然后Java中就可以通过X-Real-IP头来获取真实的IP了
public String getRealIp(HttpServletRequest request) { String ip = request.getHeader("X-Real-IP"); if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("x-forwarded-for"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getRemoteAddr(); } return ip; }