Java串口 ........\.classpath ........\.project ........\bin ........\...\GUI.class ........\...\MyCanvas.class ........\...\UDPSender.class ........\lib ........\...\RXTXcomm.jar ........\...\rxtxSerial.dll ........\src ........\...\GUI.java ........\...\MyCanvas.java ........\...\UDPSender.java