feat(更新日志):

ageerle

2025-05-24 373424bd010cfae218570e602199e2ac6754a0ef

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package org.ruoyi.chat.util;
 
 
import jakarta.servlet.http.HttpServletRequest;
import org.springframework.util.StringUtils;
 
/**
 * @author WangLe
 */
public class IpUtil {
 
    public static String getClientIp(HttpServletRequest request) {
        String ip = null;
 
        // 获取 X-Forwarded-For 中的第一个非 unknown 的 IP
        String xForwardedFor = request.getHeader("X-Forwarded-For");
        if (StringUtils.hasLength(xForwardedFor) && !"unknown".equalsIgnoreCase(xForwardedFor)) {
            String[] ipAddresses = xForwardedFor.split(",");
            for (String ipAddress : ipAddresses) {
                if (StringUtils.hasLength(ipAddress) && !"unknown".equalsIgnoreCase(ipAddress.trim())) {
                    ip = ipAddress.trim();
                    break;
                }
            }
        }
 
        // 如果 X-Forwarded-For 中没有找到，则依次尝试其他 header
        if (ip == null) {
            ip = request.getHeader("X-Real-IP");
        }
        if (ip == null || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_CLIENT_IP");
        }
        if (ip == null || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
 
        // 如果以上都没有获取到，则使用 RemoteAddr
        if (ip == null || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
 
        return ip;
    }
}