MQTT客户端工具
1. Eclipse Paho版客户端
官网页面: https://www.eclipse.org/paho/components/tool/
参考资料
[1] OASIS MQTT3.1.1协议描述 http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/mqtt-v3.1.1.html
[2] OASIS MQTT5.0 协议描述 http://docs.oasis-open.org/mqtt/mqtt/v5.0/mqtt-v5.0.html
[3] MQTT3.1和3.1.1版本区别 https://blog.csdn.net/qq_21842575/article/details/82760457