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

运用Java Communications API实现JAVA的串口通信功能，打开串口后开始从串口接收数据，显示在文本框-JAVA using Java Communications API to achieve the serial communication function, open the serial port after receiving data from the serial port, appears in the text box

使用Java Communications API能够正确的与Windows系统交互，实现串口通信-Use the Java Communications API can correctly interact with the Windows system, the serial communication