自己通过VC编写的链接库，负责PC机对接外围设备。通过串口将PC机与外设链接起来的小驱动-Written by VC link to their own library, responsible for the PC, docking peripherals. PC unit through the serial port will be linked with peripheral small-driven

使用JNI JNA以及Jnative的不同方法，实现java端调用DLL库，具有极高的参考价值-Use JNI JNA and the different methods Jnative achieve the java side call the DLL library, with a high reference value