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/// <summary> /// 字符串转16进制字节数组 /// </summary> /// <param name="hexString"></param> /// <returns></returns> private
static byte[] strToToHexByte(string
hexString) { hexString = hexString.Replace(" ", ""); if
((hexString.Length % 2) != 0) hexString += " "; byte[] returnBytes = new
byte[hexString.Length / 2]; for
(int
i = 0; i < returnBytes.Length; i++) returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16); return
returnBytes; } /// <summary> /// 字节数组转16进制字符串 /// </summary> /// <param name="bytes"></param> /// <returns></returns> public
static string byteToHexStr(byte[] bytes) { string
returnStr = ""; if
(bytes != null) { for
(int
i = 0; i < bytes.Length; i++) { returnStr += bytes[i].ToString("X2"); } } return
returnStr; } /// <summary> /// 从汉字转换到16进制 /// </summary> /// <param name="s"></param> /// <param name="charset">编码,如"utf-8","gb2312"</param> /// <param name="fenge">是否每字符用逗号分隔</param> /// <returns></returns> public
static string ToHex(string
s, string
charset, bool
fenge) { if
((s.Length % 2) != 0) { s += " ";//空格 //throw new ArgumentException("s is not valid chinese string!"); } System.Text.Encoding chs = System.Text.Encoding.GetEncoding(charset); byte[] bytes = chs.GetBytes(s); string
str = ""; for
(int
i = 0; i < bytes.Length; i++) { str += string.Format("{0:X}", bytes[i]); if
(fenge && (i != bytes.Length - 1)) { str += string.Format("{0}", ","); } } return
str.ToLower(); } ///<summary> /// 从16进制转换成汉字 /// </summary> /// <param name="hex"></param> /// <param name="charset">编码,如"utf-8","gb2312"</param> /// <returns></returns> public
static string UnHex(string
hex, string
charset) { if
(hex == null) throw
new ArgumentNullException("hex"); hex = hex.Replace(",", ""); hex = hex.Replace("\n", ""); hex = hex.Replace("\\", ""); hex = hex.Replace(" ", ""); if
(hex.Length % 2 != 0) { hex += "20";//空格 } // 需要将 hex 转换成 byte 数组。 byte[] bytes = new
byte[hex.Length / 2]; for
(int
i = 0; i < bytes.Length; i++) { try { // 每两个字符是一个 byte。 bytes[i] = byte.Parse(hex.Substring(i * 2, 2), System.Globalization.NumberStyles.HexNumber); } catch { // Rethrow an exception with custom message. throw
new ArgumentException("hex is not a valid hex number!", "hex"); } } System.Text.Encoding chs = System.Text.Encoding.GetEncoding(charset); return
chs.GetString(bytes); } |
C# 16进制与字符串、字节数组之间的转换,布布扣,bubuko.com
原文：http://www.cnblogs.com/fredcyt/p/3729765.html