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c#中如何将十进制数的字符串转化成十六进制数的字符串
//
///把??字á?符¤?串??转áa换?成¨|16进?制?
///
///
///
///
private string StringToHex(string str, Encoding enc)
{
byte[] bytes = enc.GetBytes(str);
string result = string.Empty;
for (int i = 0; i < bytes.Length; i++)
{
result += "%" + Convert.ToString(bytes[i], 16);
}
return result;
}
///
///把??字á?符¤?串??转áa换?成¨|16进?制?字á?节¨2数oy组á¨|
///
///
///
private byte[] StringToHexbyte(string str)
{
str = str.Replace(" ", "");
if ((str.Length % 2) != 0)
str += "";
byte[] bytes = new byte[str.Length / 2];
for (int i = 0; i < bytes.Length; i++)
{
bytes[i] = Convert.ToByte(str.Substring(i * 2, 2), 16);
}
return bytes;
}
///
///将?字á?节¨2数oy组á¨|转áa换?成¨|16进?制?字á?符¤?串??
///
///
///
private string ByteToHexString(byte[] bytes)
{
string str = string.Empty;
if (bytes != null)
{
for (int i = 0; i < bytes.Length; i++)
{
str += bytes[i].ToString("X2");
}
}
return str;
}
///
///将?汉o字á?转áa换?成¨|16进?制?
///
///汉o字á?
///编ਤ码?：êo如¨?“??UDF-8，ê?gb2312”?à
///是o?否¤?用??…?，ê???￥号?隔?开a
///
private string ToHex(string str, string charset, bool fenge)
{
if ((str.Length % 2) != 0) //加¨?一°?个?空?格?字á?符¤?
str += "";
Encoding enc = Encoding.GetEncoding(charset); //编ਤ码?类¤¨¤型¨a
byte[] bytes = enc.GetBytes(str); //转áa换?成¨|字á?节¨2数oy组á¨|string result = string.Empty;
//逐e一°?转áa换?
for (int i = 0; i < bytes.Length; i++)
{
result += string.Format("{0:X}", bytes[i]);
//是o?否¤?用??逗o号?隔?开a
if (fenge && i != bytes.Length - 1)
{
result += string.Format("{0}", ",");
}
}
return result;
}
///
///把??十o?六￠¨′进?制?转áa换?成¨|汉o字á?
///
///
///
///
private string HexToString(string hex, string charset)
{
hex = hex.Replace(" ", "");
hex = hex.Replace(",", "");
hex = hex.Replace("\\", "");
hex = hex.Replace("\n", "");
if ((hex.Length %2) != 0)
{
hex += "20"; //加¨?一°?个?空?格?字á?符¤?
}
byte[] bytes = new byte[hex.Length / 2];
for (int i = 0; i < bytes.Length; i++)
{
//两￠?个?16进?制?的ì?字á?符¤?占?一°?个?字á?节¨2
bytes[i] = byte.Parse(hex.Substring(i * 2, 2),NumberStyles.HexNumber) ;
}
Encoding enc = Encoding.GetEncoding(charset); //指?定?§编ਤ码?
return enc.GetString(bytes); //把??字á?节¨2数oy组á¨|转áa换?成¨|
}