我只说一点,非常关键!!!
1、在下载qtmqtt时候,要选与你qt版本相同的包,不然编译总出错!
原因可看这篇文章:
https://forum.qt.io/topic/120579/no-member-named-erroroccurred-in-qabstractsocket/3
标签:named,qt,no,topic,MQTT,io,qabstractsocket,搭建,Qt From: https://blog.51cto.com/xfxuezhang/5859808