*　程序文件名称：SendComm.java * 功能：从串行口COM1中发送数据-* Name of program file: SendComm.java* feature: From the COM1 serial port to send data

程序文件名称：ReadComm.java * 功能：从串行口COM1中接收数据-File name: ReadComm.java* Function: COM1 serial port to receive from the data

运用Java Communications API实现JAVA串口通信功能。打开串口后程序每两秒发送一次数据-JAVA using Java Communications API to achieve serial communication. After the program opens the serial port once every two seconds to send data