C# byte[] 轉換16進位字串

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1.byte[] 轉換16進位字串

  1.1 BitConverter方式

1             var str = DateTime.Now.ToString();2             var encode = Encoding.UTF8;3             var bytes = encode.GetBytes(str);4             var hex = BitConverter.ToString(bytes, 0).Replace("-", string.Empty).ToLower();5             Console.WriteLine(hex);

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 1.2 StringBuilder方式

1             var str = DateTime.Now.ToString();2             var encode = Encoding.UTF8;3             var bytes = encode.GetBytes(str);4             var hex = BitConverter.ToString(bytes, 0).Replace("-", string.Empty).ToLower();5             Console.WriteLine(hex);

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2.16進位字串轉換 byte[]

1 var inputByteArray = new byte[hex.Length / 2];2             for (var x = 0; x < inputByteArray.Length; x++)3             {4                 var i = Convert.ToInt32(hex.Substring(x * 2, 2), 16);5                 inputByteArray[x] = (byte)i;6             }7             str = encode.GetString(inputByteArray);8             Console.WriteLine(str);

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C# byte[] 轉換16進位字串