init

common.libs/NetworkHelper.cs

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+using System;
+using System.Net;
+using System.Net.Sockets;
+
+namespace common.libs
+{
+    public static class NetworkHelper
+    {
+
+        /// <summary>
+        /// 域名解析
+        /// </summary>
+        /// <param name="domain"></param>
+        /// <returns></returns>
+        public static IPAddress GetDomainIp(string domain)
+        {
+            try
+            {
+                if (string.IsNullOrWhiteSpace(domain)) return null;
+                if (IPAddress.TryParse(domain, out IPAddress ip))
+                {
+                    return ip;
+                }
+                IPAddress[] list = Dns.GetHostEntry(domain).AddressList;
+                if (list.Length > 0) return list[0];
+                return null;
+            }
+            catch (Exception)
+            {
+            }
+            return null;
+        }
+
+
+#if DISABLE_IPV6 || (!UNITY_EDITOR && ENABLE_IL2CPP && !UNITY_2018_3_OR_NEWER)
+            public static bool  IPv6Support = false;
+#elif !UNITY_2019_1_OR_NEWER && !UNITY_2018_4_OR_NEWER && (!UNITY_EDITOR && ENABLE_IL2CPP && UNITY_2018_3_OR_NEWER)
+           public static bool   IPv6Support = Socket.OSSupportsIPv6 && int.Parse(UnityEngine.Application.unityVersion.Remove(UnityEngine.Application.unityVersion.IndexOf('f')).Split('.')[2]) >= 6;
+#elif UNITY_2018_2_OR_NEWER
+           public static bool   IPv6Support = Socket.OSSupportsIPv6;
+#elif UNITY
+#pragma warning disable 618
+           public static bool   IPv6Support = Socket.SupportsIPv6;
+#pragma warning restore 618
+#else
+
+        public static bool IPv6Support = Socket.OSSupportsIPv6;
+#endif
+    }
+}