From 91dd6fad8ee8888344b59fc8610d850feb453ab5 Mon Sep 17 00:00:00 2001
From: TsMask <340112800@qq.com>
Date: Fri, 6 Dec 2024 21:48:40 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20IP=E5=9C=B0=E5=9D=80=E5=8F=96MAC?=
 =?UTF-8?q?=E5=9C=B0=E5=9D=80=E5=B7=A5=E5=85=B7?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../wfc/common/core/utils/ip/MacUtils.java    | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 wfc-common/wfc-common-core/src/main/java/org/wfc/common/core/utils/ip/MacUtils.java

diff --git a/wfc-common/wfc-common-core/src/main/java/org/wfc/common/core/utils/ip/MacUtils.java b/wfc-common/wfc-common-core/src/main/java/org/wfc/common/core/utils/ip/MacUtils.java
new file mode 100644
index 0000000..c85cdac
--- /dev/null
+++ b/wfc-common/wfc-common-core/src/main/java/org/wfc/common/core/utils/ip/MacUtils.java
@@ -0,0 +1,82 @@
+package org.wfc.common.core.utils.ip;
+
+import org.wfc.common.core.utils.StringUtils;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+/**
+ * 获取MAC地址方法
+ *
+ * @author wfc
+ */
+public class MacUtils {
+
+    /**
+     * 获取客户端MAC 00:50:56:b4:09:c0
+     *
+     * @return MAC地址
+     */
+    public static String getMacAddress(String ipAddress) {
+        String macAddress = null;
+        try {
+            String os = System.getProperty("os.name").toLowerCase();
+            String command = null;
+
+            if (os.contains("win")) {
+                command = "arp -a " + ipAddress;  // Windows
+            } else if (os.contains("nix") || os.contains("nux") || os.contains("mac")) {
+                command = "arp -n " + ipAddress;  // Linux/macOS
+            }
+
+            // 执行命令并获取输出
+            Process process = Runtime.getRuntime().exec(command);
+            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
+            String line;
+
+            while ((line = reader.readLine()) != null) {
+                // 输出每一行，查找包含 MAC 地址的行
+                if (line.contains(ipAddress)) {
+                    String[] tokens = line.trim().split("\\s+");
+                    if (os.contains("win")) {
+                        macAddress = tokens[1]; // MAC 地址通常在第二个位置
+                    } else if (os.contains("nix") || os.contains("nux") || os.contains("mac")) {
+                        macAddress = tokens[2]; // MAC 地址通常在第三个位置
+                    }
+                    break;
+                }
+            }
+            reader.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return macAddress;
+    }
+
+    /**
+     * 转换MAC格式为 00-50-56-B4-44-4E
+     *
+     * @return MAC地址
+     */
+    public static String toUpperCaseMacAddress(String macAddress) {
+        if (StringUtils.isBlank(macAddress)) {
+            return null;
+        }
+        // 分割原始 MAC 地址字符串
+        String[] parts = macAddress.split("-");
+
+        // 创建一个 StringBuilder 来存储转换后的地址
+        StringBuilder convertedMac = new StringBuilder();
+
+        // 遍历所有部分并转换为大写
+        for (int i = 0; i < parts.length; i++) {
+            if (i > 0) {
+                convertedMac.append("-"); // 在每部分之间添加分隔符
+            }
+            // 将每个字节转换为大写
+            convertedMac.append(parts[i].toUpperCase());
+        }
+
+        return convertedMac.toString();
+    }
+}
\ No newline at end of file