fix: 物联网平台，amqp数据接入并插入TD数据库相关逻辑编码。
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tianyongbao
@@ -0,0 +1,108 @@
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package com.intc.iot.utils;
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import lombok.experimental.UtilityClass;
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import lombok.extern.slf4j.Slf4j;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import java.nio.charset.StandardCharsets;
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import java.util.Base64;
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/**
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* 阿里云 IoT AMQP 签名工具类
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*
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* 用于生成 AMQP 服务端订阅所需的认证信息
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*
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* @author intc
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*/
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@Slf4j
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@UtilityClass
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public class AliyunAmqpSignUtil {
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/**
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* 生成 AMQP 用户名
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*
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* @param accessKeyId 阿里云 AccessKey ID
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* @return AMQP 用户名
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*/
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public static String generateUsername(String accessKeyId) {
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return accessKeyId + "|authMode=aksign|";
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}
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/**
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* 生成 AMQP 密码
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* 使用 HMAC-SHA1 算法对消费组 ID 进行签名
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*
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* @param accessKeySecret 阿里云 AccessKey Secret
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* @param consumerGroupId 消费组 ID
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* @return AMQP 密码（Base64 编码）
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*/
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public static String generatePassword(String accessKeySecret, String consumerGroupId) {
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try {
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Mac mac = Mac.getInstance("HmacSHA1");
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SecretKeySpec secretKeySpec = new SecretKeySpec(
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accessKeySecret.getBytes(StandardCharsets.UTF_8),
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"HmacSHA1"
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);
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mac.init(secretKeySpec);
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byte[] signData = mac.doFinal(consumerGroupId.getBytes(StandardCharsets.UTF_8));
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return Base64.getEncoder().encodeToString(signData);
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} catch (Exception e) {
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log.error("生成 AMQP 密码失败", e);
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throw new RuntimeException("生成 AMQP 密码失败", e);
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}
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}
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/**
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* 生成 AMQP 虚拟主机名
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* 默认为 AccessKey ID 的前 8 位
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*
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* @param accessKeyId 阿里云 AccessKey ID
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* @return 虚拟主机名
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*/
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public static String generateVirtualHost(String accessKeyId) {
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if (accessKeyId == null || accessKeyId.length() < 8) {
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throw new IllegalArgumentException("AccessKey ID 长度不足 8 位");
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}
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return accessKeyId.substring(0, 8);
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}
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/**
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* 生成 AMQP 接入点地址
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*
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* @param uid 阿里云账号 UID
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* @param regionId 地域 ID（如：cn-shanghai）
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* @return AMQP 接入点地址
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*/
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public static String generateHost(String uid, String regionId) {
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return String.format("%s.iot-amqp.%s.aliyuncs.com", uid, regionId);
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}
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/**
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* 打印完整的 AMQP 配置信息（用于调试）
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*
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* @param accessKeyId AccessKey ID
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* @param accessKeySecret AccessKey Secret
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* @param consumerGroupId 消费组 ID
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* @param uid 阿里云账号 UID
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* @param regionId 地域 ID
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*/
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public static void printAmqpConfig(String accessKeyId, String accessKeySecret,
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String consumerGroupId, String uid, String regionId) {
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String host = generateHost(uid, regionId);
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String virtualHost = generateVirtualHost(accessKeyId);
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String username = generateUsername(accessKeyId);
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String password = generatePassword(accessKeySecret, consumerGroupId);
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log.info("========== AMQP 配置信息 ==========");
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log.info("host: {}", host);
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log.info("port: 5672");
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log.info("virtual-host: {}", virtualHost);
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log.info("username: {}", username);
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log.info("password: {}", password);
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log.info("consumer-group-id: {}", consumerGroupId);
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log.info("==================================");
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}
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}
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@@ -0,0 +1,150 @@
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package com.intc.iot.utils;
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import cn.hutool.crypto.SecureUtil;
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import lombok.extern.slf4j.Slf4j;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import java.nio.charset.StandardCharsets;
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/**
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* 阿里云IoT平台MQTT连接签名工具类
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*
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* @author intc
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*/
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@Slf4j
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public class AliyunIotSignUtil {
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/**
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* 生成MQTT ClientId
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* 格式：{ClientId}|securemode=2,signmethod=hmacsha1,timestamp={timestamp}|
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*
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* @param clientId 客户端ID（可自定义，建议使用设备名称）
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* @return 完整的ClientId
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*/
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public static String generateClientId(String clientId) {
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long timestamp = System.currentTimeMillis();
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return String.format("%s|securemode=2,signmethod=hmacsha1,timestamp=%d|", clientId, timestamp);
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}
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/**
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* 生成MQTT Username
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* 格式：{DeviceName}&{ProductKey}
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*
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* @param deviceName 设备名称
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* @param productKey 产品Key
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* @return Username
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*/
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public static String generateUsername(String deviceName, String productKey) {
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return String.format("%s&%s", deviceName, productKey);
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}
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/**
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* 生成MQTT Password（使用HMAC-SHA1签名）
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* 签名内容：clientId{ClientId}deviceName{DeviceName}productKey{ProductKey}timestamp{timestamp}
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*
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* @param clientId 客户端ID
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* @param deviceName 设备名称
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* @param productKey 产品Key
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* @param deviceSecret 设备密钥
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* @return Password
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*/
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public static String generatePassword(String clientId, String deviceName, String productKey, String deviceSecret) {
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try {
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long timestamp = System.currentTimeMillis();
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// 构造签名内容
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String content = String.format("clientId%sdeviceName%sproductKey%stimestamp%d",
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clientId, deviceName, productKey, timestamp);
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log.debug("签名内容: {}", content);
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// 使用HMAC-SHA1算法签名
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Mac mac = Mac.getInstance("HmacSHA1");
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SecretKeySpec secretKeySpec = new SecretKeySpec(deviceSecret.getBytes(StandardCharsets.UTF_8), "HmacSHA1");
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mac.init(secretKeySpec);
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byte[] hash = mac.doFinal(content.getBytes(StandardCharsets.UTF_8));
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// 转换为十六进制字符串
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StringBuilder hexString = new StringBuilder();
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for (byte b : hash) {
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String hex = Integer.toHexString(0xff & b);
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if (hex.length() == 1) {
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hexString.append('0');
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}
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hexString.append(hex);
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}
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return hexString.toString().toUpperCase();
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} catch (Exception e) {
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log.error("生成MQTT密码失败", e);
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throw new RuntimeException("生成MQTT密码失败", e);
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}
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}
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/**
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* 生成阿里云IoT平台MQTT Broker地址
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* 格式：{ProductKey}.iot-as-mqtt.{RegionId}.aliyuncs.com:1883
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* SSL格式：ssl://{ProductKey}.iot-as-mqtt.{RegionId}.aliyuncs.com:8883
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*
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* @param productKey 产品Key
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* @param regionId 地域ID（如：cn-shanghai）
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* @param useSsl 是否使用SSL
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* @return Broker地址
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*/
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public static String generateBrokerUrl(String productKey, String regionId, boolean useSsl) {
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String protocol = useSsl ? "ssl://" : "tcp://";
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int port = useSsl ? 8883 : 1883;
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return String.format("%s%s.iot-as-mqtt.%s.aliyuncs.com:%d", protocol, productKey, regionId, port);
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}
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/**
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* 生成设备属性上报Topic
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* 格式：/sys/{ProductKey}/{DeviceName}/thing/event/property/post
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*
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* @param productKey 产品Key
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* @param deviceName 设备名称
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* @return Topic
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*/
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public static String generatePropertyTopic(String productKey, String deviceName) {
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return String.format("/sys/%s/%s/thing/event/property/post", productKey, deviceName);
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}
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/**
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* 生成所有设备属性上报Topic（使用通配符）
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* 格式：/sys/{ProductKey}/+/thing/event/property/post
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*
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* @param productKey 产品Key
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* @return Topic
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*/
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public static String generateAllDevicesPropertyTopic(String productKey) {
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return String.format("/sys/%s/+/thing/event/property/post", productKey);
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}
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/**
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* 生成设备事件上报Topic
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* 格式：/sys/{ProductKey}/{DeviceName}/thing/event/{EventIdentifier}/post
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*
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* @param productKey 产品Key
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* @param deviceName 设备名称
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* @param eventIdentifier 事件标识符（使用+通配符可订阅所有事件）
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* @return Topic
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*/
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public static String generateEventTopic(String productKey, String deviceName, String eventIdentifier) {
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return String.format("/sys/%s/%s/thing/event/%s/post", productKey, deviceName, eventIdentifier);
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}
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/**
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* 生成设备服务调用Topic
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* 格式：/sys/{ProductKey}/{DeviceName}/thing/service/{ServiceIdentifier}
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*
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* @param productKey 产品Key
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* @param deviceName 设备名称
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* @param serviceIdentifier 服务标识符
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* @return Topic
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*/
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public static String generateServiceTopic(String productKey, String deviceName, String serviceIdentifier) {
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return String.format("/sys/%s/%s/thing/service/%s", productKey, deviceName, serviceIdentifier);
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}
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}
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