修改ip与port的拼接方式，以支持ipv6

src/main/java/com/genersoft/iot/vmp/utils/IpPortUtil.java

@@ -0,0 +1,90 @@
+package com.genersoft.iot.vmp.utils;
+
+import java.net.Inet6Address;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+public class IpPortUtil {
+
+    /**
+     * 拼接IP和端口
+     * @param ip IP地址字符串
+     * @param port 端口号字符串
+     * @return 拼接后的字符串
+     * @throws IllegalArgumentException 如果IP地址无效或端口无效
+     */
+    public static String concatenateIpAndPort(String ip, String port) {
+        if (port == null || port.isEmpty()) {
+            throw new IllegalArgumentException("端口号不能为空");
+        }
+
+        // 验证端口是否为有效数字
+        try {
+            int portNum = Integer.parseInt(port);
+            if (portNum < 0 || portNum > 65535) {
+                throw new IllegalArgumentException("端口号必须在0-65535范围内");
+            }
+        } catch (NumberFormatException e) {
+            throw new IllegalArgumentException("端口号必须是有效数字", e);
+        }
+
+        try {
+            InetAddress inetAddress = InetAddress.getByName(ip);
+
+            if (inetAddress instanceof Inet6Address) {
+                // IPv6地址需要加上方括号
+                return "[" + ip + "]:" + port;
+            } else {
+                // IPv4地址直接拼接
+                return ip + ":" + port;
+            }
+        } catch (UnknownHostException e) {
+            throw new IllegalArgumentException("无效的IP地址: " + ip, e);
+        }
+    }
+
+    // 测试用例
+    public static void main(String[] args) {
+        // IPv4测试
+        String ipv4 = "192.168.1.1";
+        String port1 = "8080";
+        System.out.println(concatenateIpAndPort(ipv4, port1));  // 输出: 192.168.1.1:8080
+
+        // IPv6测试
+        String ipv6 = "2001:0db8:85a3:0000:0000:8a2e:0370:7334";
+        String port2 = "80";
+        System.out.println(concatenateIpAndPort(ipv6, port2));  // 输出: [2001:0db8:85a3:0000:0000:8a2e:0370:7334]:80
+
+        // 压缩格式IPv6测试
+        String ipv6Compressed = "2001:db8::1";
+        System.out.println(concatenateIpAndPort(ipv6Compressed, port2));  // 输出: [2001:db8::1]:80
+
+        // 无效IP测试
+        try {
+            System.out.println(concatenateIpAndPort("invalid.ip", "1234"));
+        } catch (IllegalArgumentException e) {
+            System.out.println("捕获到预期异常: " + e.getMessage());
+        }
+
+        // 无效端口测试 - 非数字
+        try {
+            System.out.println(concatenateIpAndPort(ipv4, "abc"));
+        } catch (IllegalArgumentException e) {
+            System.out.println("捕获到预期异常: " + e.getMessage());
+        }
+
+        // 无效端口测试 - 超出范围
+        try {
+            System.out.println(concatenateIpAndPort(ipv4, "70000"));
+        } catch (IllegalArgumentException e) {
+            System.out.println("捕获到预期异常: " + e.getMessage());
+        }
+
+        // 空端口测试
+        try {
+            System.out.println(concatenateIpAndPort(ipv4, ""));
+        } catch (IllegalArgumentException e) {
+            System.out.println("捕获到预期异常: " + e.getMessage());
+        }
+    }
+}