C#常用转换

  /// <summary>
        /// 数字转16进制字符串
        /// </summary>
        /// <param name="number"></param>
        /// <param name="byteNumber"></param>
        /// <returns></returns>
        protected string ConvertToHexString(int number, int byteNumber)
        {
            byte[] byts = BitConverter.GetBytes(number);
            if (!ServiceInitialize.IsBigEndian)
            {
                Array.Reverse(byts);
            }

            StringBuilder hex = new StringBuilder();
            foreach (byte byt in byts)
            {
                hex.AppendFormat("{0:x2}", byt);
            }

            return hex.ToString().Substring(hex.Length - byteNumber * 2, byteNumber * 2);
        }

        /// <summary>
        /// 十六进制字符串转byte流
        /// </summary>
        /// <param name="s"></param>
        /// <returns></returns>
        protected byte[] HexStringToByteArray(string str)
        {
            byte[] buffer = new byte[str.Length / 2];
            for (int i = 0; i < str.Length; i += 2)
            {
                buffer[i / 2] = (byte)Convert.ToByte(str.Substring(i, 2), 16);
            }

            return buffer;
        }

        /// <summary>
        /// 十六进制字符串转化成整形
        /// </summary>
        /// <param name="startIndex"></param>
        /// <param name="length"></param>
        /// <returns></returns>
        protected int GetIntByHexString(int startIndex, int length)
        {
            string val = m_ReceiveData.Substring(startIndex, length);
            return Convert.ToInt32(val, 16);
        }

   /// <summary>
        /// 字节流转数字，16进制字符串
        /// </summary>
        /// <param name="verifyCode"></param>
        /// <returns></returns>
        private UInt16 ByteArray16ToUInt(Byte[] verifyCode)
        {
            string result = string.Empty;
            for (int i = 0; i < verifyCode.Length; ++i)
            {
                string strTemp = verifyCode[i].ToString("X");
                if (1 == strTemp.Length)
                {
                    strTemp = strTemp.Insert(0, "0");
                }
                result += strTemp;
            }

            return Convert.ToUInt16(result, 16);
        }

        /// <summary>
        /// 字节流转数字，10进制字符串
        /// </summary>
        /// <param name="verifyCode"></param>
        /// <returns></returns>
        private UInt16 ByteArray10ToUInt(byte[] verifyCode)
        {
            return BitConverter.ToUInt16(verifyCode, 0);
        }