Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
mqtt,设备的在线状态怎么根据状态变换？
设备在线状态只与数据点在采集周期内是否上数有关，数据点上数在线 不上数设备离线。
