复制 Markdown查看 MarkdownonMqttConnectState(listener: Function)版本要求:DeviceKit≥2.5.1@ray-js/ray≥0.6.23支持平台:iOSAndroidPromise该方法支持 Promise 调用,不传 success / fail / complete 回调时返回 Promiseimport { device } from '@ray-js/ray'; const { onMqttConnectState } = device; // Promise 调用 try { const res = await onMqttConnectState({ ...params }); console.log(res); } catch (err) { console.log(err.errorMsg); }描述mqtt连接状态变化事件参数参数类型必填说明›listener(params: MqttConnectStateResponse) => void是返回值无示例代码import { device } from '@ray-js/ray' device.onMqttConnectState(e => { console.log(e); });上一页offMqttMessageReceived下一页onMqttMessageReceived