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设备若通过MQTT通道上报数据，需要发给指定的topic，上报消息的topic格式为：$oc/devices/{device_id}/sys/properties/report，其中对于一机一密设备，使用deviceId接入时需填写为设备注册成功后返回的deviceId值。
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
在CommandSample例子中实现了命令的处理，收到命令后仅进行打印，然后调用respondCommand上报响应。
commandName); log.info("onCommand, paras = " + paras.toString()); //处理命令用户自定义 //发送命令响应 device.getClient().respondCommand
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
链接 DCIM能耗管理系统标准协议 是一种用于数据中心基础设施管理系统的协议，适用于微/小型数据中心、中大型数据中心、室外预制化数据中心。
产品规格 基础版、标准版和企业版的对比 设备接入服务（IoTDA）提供基础版（2023年1月1日前）、标准版（标准实例）和企业版（专享实例）三种实例类型。开通设备接入服务后，默认开通标准版免费单元S0，按需付费使用，标准版更多规格和企业版需要您购买对应实例。详细差异请参考下表。 表
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
//加载iot平台的ca证书，获取链接参考：https://support.huaweicloud.com/devg-iothub/iot_02_1004.html#section3 URL resource = BroadcastMessageSample.class.getClassLoader
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
//加载iot平台的ca证书，获取链接参考：https://support.huaweicloud.com/devg-iothub/iot_02_1004.html#section3 URL resource = BroadcastMessageSample.class.getClassLoader
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcore.auth.credentials import DerivedCredentials
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