应用侧华为云LoTDA设备接入平台

1、概述
    华为云设备接入平台分为应用侧和设备侧两端。本章只介绍应用侧如何接入LoTDA平台。

2、应用侧下发指令到设备

package com.huaweicloud.sdk.test;import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.AbstractCredentials;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.core.region.Region;
import com.huaweicloud.sdk.iotda.v5.*;
import com.huaweicloud.sdk.iotda.v5.model.*;public class CreateMessageSolution {public static void main(String[] args) {// The AK and SK used for authentication are har