平時總結的字元串和byte的轉化操作:
#region 字元串和Byte之間的轉化
/// <summary>
/// 數字和位元組之間互轉
/// </summary>
/// <param name="num"></param>
/// <returns></returns>
public static int IntToBitConverter(int num)
{
int temp = 0;
byte[] bytes = BitConverter.GetBytes(num);//将int32轉換為位元組數組
temp = BitConverter.ToInt32(bytes, 0);//将位元組數組内容再轉成int32類型
return temp;
}
/// <summary>
/// 将字元串轉為16進制字元,允許中文
/// </summary>
/// <param name="s"></param>
/// <param name="encode"></param>
/// <returns></returns>
public static string StringToHexString(string s, Encoding encode ,string spanString)
{
byte[] b = encode.GetBytes(s);//按照指定編碼将string程式設計位元組數組
string result = string.Empty;
for (int i = 0; i < b.Length; i++)//逐位元組變為16進制字元
{
result += Convert.ToString(b[i], 16) + spanString;
}
return result;
}
/// <summary>
/// 将16進制字元串轉為字元串
/// </summary>
/// <param name="hs"></param>
/// <param name="encode"></param>
/// <returns></returns>
public static string HexStringToString(string hs, Encoding encode)
{
string strTemp = "";
byte[] b = new byte[hs.Length / 2];
for (int i = 0; i < hs.Length / 2; i++)
{
strTemp = hs.Substring(i * 2, 2);
b[i] = Convert.ToByte(strTemp, 16);
}
//按照指定編碼将位元組數組變為字元串
return encode.GetString(b);
}
/// <summary>
/// byte[]轉為16進制字元串
/// </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>
/// 将16進制的字元串轉為byte[]
/// </summary>
/// <param name="hexString"></param>
/// <returns></returns>
public static byte[] StrToHexByte(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;
}
#endregion