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public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
backOffWithJitter); client.options.reconnectPeriod = waitTImeUtilNextRetry; log("next retry time: " + waitTImeUtilNextRetry); retryTimes++; })
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
IOTDA.000030 Failed to register the resource in Stage. Please try again later. 注册资源失败。 请稍后重试或联系华为工程师分析解决。 400 IOTDA.000031 Failed to deregister
参数说明:设备的服务ID,在设备关联的产品模型中定义。 取值范围:长度不超过32,只允许中文、字母、数字、以及_?'#().,&%@!-等字符的组合。 desired 是 Object 参数说明:设备初始配置属性数据,Json格式,里面是一个个键值对,每个键都是产品模型中属性的参数名(prope
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
物联网平台支持批量注册设备吗? 物联网平台支持通过应用服务器调用创建批量任务接口,或者在控制台上批量注册设备。下面介绍如何在控制台上批量注册设备。 访问设备接入服务,单击“立即使用”进入设备接入控制台。 选择并进入您的实例,在左侧导航栏,单击“ 设备 > 所有设备”。 单击“批量
获取指定tag_key对应的tag_value。 GET_TAG('testTagName') 字符串 - CONTAINS_TAG String tagKey 判断是否包含指定tag_key。 CONTAINS_TAG('testTagName') 布尔值 - GET_SERVICE String serviceId,boolean
单击右上角“购买Kafka实例”,根据需求选择实例规格与配置安全组后,单击“立即购买”。 图1 购买Kafka实例 配置设备接入服务 在设备接入服务中创建产品模型、注册设备并设置数据转发规则,实现当设备上报数据时将数据转发至Kafka。 访问设备接入服务,单击“立即使用”进入设备接入控制台。选择您的实例,单击实例卡片进入。
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
支持方式:IoTDA原生支持。 使用指导 CoAP - 协议描述:CoAP(Constrained Application Protocol)是一种在物联网世界的类web协议,使用了请求/响应交互模型。协议设计精炼, 采用 UDP 协议进行数据传输,适用在资源受限的低功耗设备上,尤其是NB-IoT的设备使用。