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  • 【.NET / C#】HexConverter

 







using System;







 



using System.Collections.Generic;







 



using System.Text;







 



using System.Text.RegularExpressions;







 



 







 



namespace System







 



{







 



/// <summary> 十六进制 转换器 </summary>







 



public class HexConverter







 



{







 



private const int RADIX = 16;







 



 







 



private static readonly Regex PATTERN = new Regex("([0123456789ABCDEF]{2})+", RegexOptions.IgnoreCase);







 



 







 



private static byte[] OutputBytes(string hex)







 



{







 



var list = new List<byte>();







 



foreach (Match match in PATTERN.Matches(hex))







 



{







 



foreach (Capture capture in match.Groups[1].Captures)







 



{







 



list.Add(Convert.ToByte(capture.Value, RADIX));







 



}







 



}







 



return list.ToArray();







 



}







 



 







 



private static string OutputHexString(byte[] bits, string separator)







 



{







 



var result = new StringBuilder();







 



for (var i = 0; i < bits.Length; i++)







 



{







 



if (0 != i) result.Append(separator ?? string.Empty);







 



result.Append(bits[i].ToString("X2"));







 



}







 



return result.ToString();







 



}







 



 







 



#region 10 进制 -> 16 进制







 



 







 



/// <summary> String -> Hex String </summary>







 



public static string GetHex(string str, string separator = null)







 



{







 



return GetHex(str, Encoding.Default, separator);







 



}







 



 







 



/// <summary> String -> Hex String </summary>







 



public static string GetHex(string str, Encoding encode, string separator = null)







 



{







 



if (!string.IsNullOrEmpty(separator))







 



{







 



str = str.Replace(separator, string.Empty);







 



}







 



var bits = encode.GetBytes(str);







 



return OutputHexString(bits, separator);







 



}







 



 







 



/// <summary> Byte -> Hex String </summary>







 



public static string GetHex(byte bit)







 



{







 



return bit.ToString("X2");







 



}







 



 







 



/// <summary> Byte[] -> Hex String </summary>







 



public static string GetHex(byte[] bits, string separator = null)







 



{







 



return "-" == separator ? BitConverter.ToString(bits) : BitConverter.ToString(bits).Replace("-", separator ?? string.Empty);







 



}







 



 







 



#endregion







 



 







 



#region 16 进制 -> 10 进制







 



 







 



/// <summary> Hex String -> Byte[] </summary>







 



public static byte[] GetBytes(string hex, string separator = null)







 



{







 



if (string.IsNullOrEmpty(separator))







 



{







 



return OutputBytes(hex);







 



}







 



else







 



{







 



var temp = hex.Split(separator);







 



var result = new byte[temp.Length];







 



for (var i = 0; i < temp.Length; i++)







 



{







 



result[i] = Convert.ToByte(temp[i], RADIX);







 



}







 



return result;







 



}







 



}







 



 







 



/// <summary> Hex String -> String </summary>







 



public static string ToString(string hex, string separator = null)







 



{







 



return ToString(hex, Encoding.Default, separator);







 



}







 



 







 



/// <summary> Hex String -> String </summary>







 



public static string ToString(string hex, Encoding encode, string separator = null)







 



{







 



if (!string.IsNullOrEmpty(separator))







 



{







 



hex = hex.Replace(separator, string.Empty);







 



}







 



var data = OutputBytes(hex);







 



return encode.GetString(data);







 



}







 



 







 



#endregion







 



 







 



}







 



}









本文作者： XKIND



本文链接：https://www.cnblogs.com/zhuzhongxing/p/14147077.html












    













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