安装教程
https://github.com/Tibus/TouchScreen-For-NanoDLP
nextion各个按钮生效的js文件，基于nodejs
https://github.com/Tibus/TouchScreen-For-NanoDLP/tree/master/bin/plugins/nextion/pages
在树莓派3b已解决通信问题。
安装完后要运行如下语句即可
sudo cd /home/pi/nextion
sudo npm i ip sudo npm i drivelist
sudo npm i child_process
sudo shutdown -r now