C#中Byte转换相关的函数

public static byte GetByte(object o){byte retInt = 0;if (o != null){byte tmp;if (byte.TryParse(o.ToString().Trim(), out tmp)){retInt = tmp;}}return retInt;} 

public static byte GetByteFormHex(string hexValue){try{return Convert.ToByte(hexValue, 16);}catch {return 0;}}

public static byte GetByteFormSingleString(string value){return GetByteFormChar(Convert.ToChar(value));}

public static byte[] GetBytes(string values){return System.Text.Encoding.Default.GetBytes(values);}