说明：  猪舍监控页面案例，提供一套实时监控温湿度气体浓度的界面和cgi调用，如果做简单服务器和监控web网站。可以参考
(The the pig monitoring page case provides a set of real-time monitoring of temperature and humidity, gas concentration interface and cgi call, If you do a simple server monitoring web site. Can refer to)