以下标记将从PySCADA返回HTML中的值
<span class="type-numeric var-aACB">NaN</span>
这里,变量“aACB”的值需要以HTML格式显示
https://cwraig.id.au/2017/09/24/pyscada-on-raspberry-pi-for-temperature-monitoring-with-ds18b20-on-1-wire-part-4-pyscada-hmi-configuration/安培/