package com.fzzy.igds.utils;
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import javax.servlet.http.HttpServletRequest;
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/**
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* @Description 获取客户登陆信息
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* @Author CZT
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* @Date 2025/11/29 11:02
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*/
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public class SystemUtil {
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/***
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* 获取客户端IP地址
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* @param request
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*/
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public static String getIP(HttpServletRequest request) {
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if (request == null) {
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return "127.0.0.1";
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}
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String ip = request.getHeader("X-Real-IP");
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if (ip != null && !"".equals(ip) && !"unknown".equalsIgnoreCase(ip)) {
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return ip;
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}
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ip = request.getHeader("X-Forwarded-For");
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if (ip != null && !"".equals(ip) && !"unknown".equalsIgnoreCase(ip)) {
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// 多次反向代理后会有多个IP值，第一个为真实IP。
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int index = ip.indexOf(',');
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if (index != -1) {
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return ip.substring(0, index);
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} else {
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return ip;
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}
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} else {
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return request.getRemoteAddr();
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}
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}
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}
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