中国移动的onenet作为支持多协议的物联网平台，其实挺好用的，对MQTT支持也好。
但搜遍了github，也没有发现使用新版esp-idf自带的mqtt库连接onenet的例子，于是自己做了一个。
https://github.com/rillhu/esp32-onenet-mqtt
- ESP-IDF
Based on ESP-IDF Release v3.3 (LTS) ,Documentation for release v3.3 is available at https://docs.espressif.com/projects/esp-idf/en/v3.3/
This archive can also be downloaded from Espressif's download server: https://dl.espressif.com/dl/esp-idf/rel ... f-v3.3.zip
- Compile tool
https://dl.espressif.com/dl/esp32_win32 ... 181001.zip
- other changes see code: Add push ds18b20 temperature to onetnet