获取本地Ip工具类

farkguidao · Dec 12, 2019 · d58d3f8 · d58d3f8
1 parent 1d0afea
commit d58d3f8
Showing 1 changed file with 34 additions and 0 deletions.
diff --git a/src/main/java/com/swpu/uchain/blog/util/IpUtil.java b/src/main/java/com/swpu/uchain/blog/util/IpUtil.java
@@ -0,0 +1,34 @@
+package com.swpu.uchain.blog.util;
+
+import java.net.Inet4Address;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.util.Enumeration;
+
+/**
+ * @author hobo
+ * @description
+ */
+public class IpUtil {
+    public static String getHostIp() {
+        try {
+            Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
+            while (allNetInterfaces.hasMoreElements()) {
+                NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
+                Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
+                while (addresses.hasMoreElements()) {
+                    InetAddress ip = (InetAddress) addresses.nextElement();
+                    if (ip instanceof Inet4Address
+                            //loopback地址即本机地址，IPv4的loopback范围是127.0.0.0 ~ 127.255.255.255
+                            && !ip.isLoopbackAddress()
+                            && !ip.getHostAddress().contains(":")) {
+                        return ip.getHostAddress() + ":8083";
+                    }
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}