Step By Step
1、设备端建立连接进行消息收发
2、添加pom.xml依赖
3、集成测试
dependencies dependency groupId com.aliyun /groupId artifactId aliyun-java-sdk-core /artifactId version 4.1.1 /version /dependency dependency groupId com.aliyun /groupId artifactId onsmqtt20200420 /artifactId version 1.0.1 /version /dependency /dependencies三、集成测试3.1 CodeSample
import com.aliyun.onsmqtt20200420.models.*; import com.aliyun.teaopenapi.models.*; import com.google.gson.Gson; public class Sample { * 使用AK SK初始化账号Client * @param accessKeyId * @param accessKeySecret * @return Client * @throws Exception public static com.aliyun.onsmqtt20200420.Client createClient(String accessKeyId, String accessKeySecret) throws Exception { Config config = new Config() // 您的AccessKey ID .setAccessKeyId(accessKeyId) // 您的AccessKey Secret .setAccessKeySecret(accessKeySecret); // 访问的域名 // config.endpoint = "onsmqtt.cn-qingdao.aliyuncs.com"; config.endpoint = "onsmqtt.cn-beijing.aliyuncs.com"; return new com.aliyun.onsmqtt20200420.Client(config); public static void main(String[] args_) throws Exception {java.util.List String args = java.util.Arrays.asList(args_); com.aliyun.onsmqtt20200420.Client client = Sample.createClient(" access key ", " access secret QuerySessionByClientIdRequest querySessionByClientIdRequest = new QuerySessionByClientIdRequest() .setClientId("GID_demo1@@@DEVICE_001") .setInstanceId("post-cn-st*********"); // 复制代码运行请自行打印 API 的返回值 QuerySessionByClientIdResponse response = client.querySessionByClientId(querySessionByClientIdRequest); // System.out.println(response.body.onlineStatus); System.out.println(new Gson().toJson(response.body)); }3.2 The Result
{"onlineStatus":true,"requestId":"87D17FA5-F1F9-48F3-893C-BD70C8CA3DED"}更多参考
QuerySessionByClientId
服务接入点
阿里云常见参数获取位置
本文转自网络,原文链接:https://developer.aliyun.com/article/785421