public void BytesToDoubleTransferTest( ) { byte[] data = new byte[16]; BitConverter.GetBytes(123.456789D).CopyTo(data, 0); BitConverter.GetBytes(-0.00000123D).CopyTo(data, 8); Array.Reverse(data, 0, 8); Array.Reverse(data, 8, 8); double[] array = byteTransform.TransDouble(data, 0, 2); Assert.AreEqual <double>(123.456789D, array[0]); Assert.AreEqual <double>(-0.00000123D, array[1]); }
/// <summary> /// 数据转换,byte[]到string /// </summary> /// <param name="dataType"></param> /// <param name="buffer"></param> /// <returns></returns> public static BllResult <string> TransferBufferToString(HslModbusDataEntity data, int index = 0) { try { switch (data.DataType) { //对于bool类型,先转化为Bool,然后转二进制,再根据对应的位来判断是0还是1 case ModbusDataType.Bool: case ModbusDataType.Short: return(BllResultFactory <string> .Sucess(reverseBytesTransform.TransInt16(data.Buffer, index).ToString(), null)); case ModbusDataType.UShort: return(BllResultFactory <string> .Sucess(reverseBytesTransform.TransUInt16(data.Buffer, index).ToString(), null)); case ModbusDataType.Int: return(BllResultFactory <string> .Sucess(reverseBytesTransform.TransInt32(data.Buffer, index).ToString(), null)); case ModbusDataType.UInt: return(BllResultFactory <string> .Sucess(reverseBytesTransform.TransUInt32(data.Buffer, index).ToString(), null)); case ModbusDataType.Long: return(BllResultFactory <string> .Sucess(reverseBytesTransform.TransInt64(data.Buffer, index).ToString(), null)); case ModbusDataType.ULong: return(BllResultFactory <string> .Sucess(reverseBytesTransform.TransUInt64(data.Buffer, index).ToString(), null)); case ModbusDataType.Float: return(BllResultFactory <string> .Sucess(reverseBytesTransform.TransSingle(data.Buffer, index).ToString(), null)); case ModbusDataType.Double: return(BllResultFactory <string> .Sucess(reverseBytesTransform.TransDouble(data.Buffer, index).ToString(), null)); case ModbusDataType.String: return(BllResultFactory <string> .Sucess(reverseBytesTransform.TransString(data.Buffer, index, data.Buffer.Length, Encoding.ASCII), null)); default: return(BllResultFactory <string> .Error("未识别")); } } catch (Exception ex) { return(BllResultFactory <string> .Error($"转换出错:{ex.Message}")); } }