//获取数字类型所占字节        public static int SizeBytesOfType(IConvertible number)        {            TypeCode typeCode = number.GetTypeCode();            int bytesCount = 0;            switch (typeCode)            {                case TypeCode.Boolean:                    bytesCount = 1;                    break;                case TypeCode.Byte:                    bytesCount = 1;                    break;                case TypeCode.Char:                    bytesCount = 1;                    break;                case TypeCode.DBNull:                    break;                case TypeCode.DateTime:                    break;                case TypeCode.Decimal:                    bytesCount = 12;                    break;                case TypeCode.Double:                    bytesCount = 8;                    break;                case TypeCode.Empty:                    break;                case TypeCode.Int16:                    bytesCount = 2;                    break;                case TypeCode.Int32:                    bytesCount = 4;                    break;                case TypeCode.Int64:                    bytesCount = 8;                    break;                case TypeCode.Object:                    break;                case TypeCode.SByte:                    bytesCount = 1;                    break;                case TypeCode.Single:                    bytesCount = 4;                    break;                case TypeCode.String:                    break;                case TypeCode.UInt16:                    bytesCount = 2;                    break;                case TypeCode.UInt32:                    bytesCount = 4;                    break;                case TypeCode.UInt64:                    bytesCount = 8;                    break;                default:                    break;            }            return bytesCount;        }