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}"));
}
}
