From 0bf868d3cdf9226e178c076d3b588ed5207409a0 Mon Sep 17 00:00:00 2001
From: kongzy <kongzy>
Date: 星期五, 24 十一月 2023 17:51:40 +0800
Subject: [PATCH] merge

---
 assess-common/src/main/java/com/gkhy/assess/common/utils/RequestUtil.java |   46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 46 insertions(+), 0 deletions(-)

diff --git a/assess-common/src/main/java/com/gkhy/assess/common/utils/RequestUtil.java b/assess-common/src/main/java/com/gkhy/assess/common/utils/RequestUtil.java
new file mode 100644
index 0000000..28557dd
--- /dev/null
+++ b/assess-common/src/main/java/com/gkhy/assess/common/utils/RequestUtil.java
@@ -0,0 +1,46 @@
+package com.gkhy.assess.common.utils;
+
+import javax.servlet.http.HttpServletRequest;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ * 请求工具类
+ */
+public class RequestUtil {
+
+    /**
+     * 获取请求真实IP地址
+     */
+    public static String getRequestIp(HttpServletRequest request) {
+        //通过HTTP代理服务器转发时添加
+        String ipAddress = request.getHeader("x-forwarded-for");
+        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
+            ipAddress = request.getHeader("Proxy-Client-IP");
+        }
+        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
+            ipAddress = request.getHeader("WL-Proxy-Client-IP");
+        }
+        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
+            ipAddress = request.getRemoteAddr();
+            // 从本地访问时根据网卡取本机配置的IP
+            if (ipAddress.equals("127.0.0.1") || ipAddress.equals("0:0:0:0:0:0:0:1")) {
+                InetAddress inetAddress = null;
+                try {
+                    inetAddress = InetAddress.getLocalHost();
+                } catch (UnknownHostException e) {
+                    e.printStackTrace();
+                }
+                ipAddress = inetAddress.getHostAddress();
+            }
+        }
+        // 通过多个代理转发的情况,第一个IP为客户端真实IP,多个IP会按照','分割
+        if (ipAddress != null && ipAddress.length() > 15) {
+            if (ipAddress.indexOf(",") > 0) {
+                ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
+            }
+        }
+        return ipAddress;
+    }
+
+}

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