Java获取登陆用户IP地址

时间:2025-04-03 09:36:26
import org.apache.commons.lang3.StringUtils; import javax.servlet.http.HttpServletRequest; public class IpUtils { /** * 获取Ip地址 */ public static String getIpAddress(HttpServletRequest request) { String Xip = request.getHeader("X-Real-IP"); String XFor = request.getHeader("X-Forwarded-For"); if (StringUtils.isNotEmpty(XFor) && !"unKnown".equalsIgnoreCase(XFor)) { //多次反向代理后会有多个ip值,第一个ip才是真实ip int index = XFor.indexOf(","); if (index != -1) { return XFor.substring(0, index); } else { return XFor; } } XFor = Xip; if (StringUtils.isNotEmpty(XFor) && !"unKnown".equalsIgnoreCase(XFor)) { return XFor; } if (StringUtils.isBlank(XFor) || "unknown".equalsIgnoreCase(XFor)) { XFor = request.getHeader("Proxy-Client-IP"); } if (StringUtils.isBlank(XFor) || "unknown".equalsIgnoreCase(XFor)) { XFor = request.getHeader("WL-Proxy-Client-IP"); } if (StringUtils.isBlank(XFor) || "unknown".equalsIgnoreCase(XFor)) { XFor = request.getHeader("HTTP_CLIENT_IP"); } if (StringUtils.isBlank(XFor) || "unknown".equalsIgnoreCase(XFor)) { XFor = request.getHeader("HTTP_X_FORWARDED_FOR"); } if (StringUtils.isBlank(XFor) || "unknown".equalsIgnoreCase(XFor)) { XFor = request.getRemoteAddr(); } return XFor; } }