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using System; using System.Net; namespace IP2Byte { class Program { static void Main(string[] args) { //创建一个IPEndPoint IPEndPoint testip = new IPEndPoint(IPAddress.Parse("114.114.114.114"), 65535); Console.WriteLine("Input:" + testip.Address.ToString() + ":" + testip.Port); //转到Byte[] var temp = IP2Byte(testip); //逐个数出Byte Console.WriteLine("\n"); Console.WriteLine("Byte:"); foreach (var item in temp) { Console.Write(item + ","); } //转回IPEndPoint var temp2 = Byte2IP(temp); Console.WriteLine("\n"); Console.WriteLine("Output:" + temp2.Address.ToString() + ":" + temp2.Port); //判断转换前后IPEndPoint是否相同 Console.WriteLine("Equal:" + testip.Equals(temp2)); Console.ReadKey(); } //IP地址转Byte static byte[] IP2Byte(IPEndPoint ip) { byte[] output = new byte[6]; //ip逐位转换到Byte for (int i = 0; i < 4; i++) { output[i] = ip.Address.GetAddressBytes()[i]; } //端口号转换到Byte（16位） byte[] port = BitConverter.GetBytes(ip.Port); for (int i = 0; i < 2; i++) { output[i + 4] = port[i]; } return output; } //Byte转IP地址 static IPEndPoint Byte2IP(byte[] ip) { //前四字节逐个取int int[] address = new int[4]; for (int i = 0; i < 4; i++) { address[i] = Convert.ToUInt16(ip[i]); } //后两字节取int int port = BitConverter.ToUInt16(ip, 4); IPEndPoint output = new IPEndPoint(IPAddress.Parse(string.Format("{0}.{1}.{2}.{3}",address[0], address[1], address[2], address[3])), port); return output; } } } |
测试：
