【rule】增加一个工具类获取本机hostname

kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/util/IpInfoUtils.java

@@ -0,0 +1,28 @@
+package cn.stylefeng.roses.kernel.rule.util;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ * IP工具类
+ *
+ * @author fengshuonan
+ * @date 2021/1/10 14:25
+ */
+public class IpInfoUtils {
+
+    /**
+     * 获取当前机器的hostname
+     *
+     * @author fengshuonan
+     * @date 2021/1/10 18:40
+     */
+    public static String getHostName() {
+        try {
+            return InetAddress.getLocalHost().getHostName();
+        } catch (UnknownHostException ignored) {
+            return "未知";
+        }
+    }
+
+}