VC编写的+Modbus+协议类\ComData.cpp ......................\ComData.h ......................\ModBus.cpp ......................\ModBus.h ......................\Protocal.cpp ......................\Protocal.h ......................\SerialPort.cpp ......................\serialport.h ......................\Verity.cpp ......................\Verity.h VC编写的+Modbus+协议类