|  |  | 
 |  |  | import lombok.extern.slf4j.Slf4j; | 
 |  |  | import org.eclipse.paho.client.mqttv3.*; | 
 |  |  | import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence; | 
 |  |  | import org.springframework.beans.factory.annotation.Value; | 
 |  |  | import org.springframework.boot.ApplicationArguments; | 
 |  |  | import org.springframework.boot.ApplicationRunner; | 
 |  |  | import org.springframework.stereotype.Component; | 
 |  |  | 
 |  |  | @Slf4j(topic = "mqtt") | 
 |  |  | public class MqttConsumer implements ApplicationRunner { | 
 |  |  |  | 
 |  |  |     @Value("${mqtt.enabled}") | 
 |  |  |     private Boolean MQTT_ENABLED; | 
 |  |  |     @Value("${mqtt.topic}") | 
 |  |  |     private String MQTT_TOPIC; | 
 |  |  |     @Value("${mqtt.host}") | 
 |  |  |     private String MQTT_HOST; | 
 |  |  |     @Value("${mqtt.clientId}") | 
 |  |  |     private String MQTT_CLIENT_ID; | 
 |  |  |     @Value("${mqtt.username}") | 
 |  |  |     private String MQTT_USER_NAME; | 
 |  |  |     @Value("${mqtt.password}") | 
 |  |  |     private String MQTT_PASSWORD; | 
 |  |  |     @Value("${mqtt.timeout}") | 
 |  |  |     private int MQTT_TIMEOUT; | 
 |  |  |     @Value("${mqtt.keepalive}") | 
 |  |  |     private int MQTT_KEEP_ALIVE; | 
 |  |  |  | 
 |  |  |     private static MqttClient client; | 
 |  |  |  | 
 |  |  |  | 
 |  |  |     @Override | 
 |  |  |     public void run(ApplicationArguments args) { | 
 |  |  |         log.info("初始化并启动mqtt......"); | 
 |  |  |         if(PropertiesUtil.MQTT_ENABLED) | 
 |  |  |         log.debug("初始化并启动mqtt......"); | 
 |  |  |         if(MQTT_ENABLED) | 
 |  |  |         { | 
 |  |  |             this.connect(); | 
 |  |  |         } | 
 |  |  | 
 |  |  |             getClient(); | 
 |  |  |             // 2 设置配置 | 
 |  |  |             MqttConnectOptions options = getOptions(); | 
 |  |  |             String[] topic = PropertiesUtil.MQTT_TOPIC.split(","); | 
 |  |  |             String[] topic = MQTT_TOPIC.split(","); | 
 |  |  |             // 3 消息发布质量 | 
 |  |  |             int[] qos = getQos(topic.length); | 
 |  |  |             // 4 最后设置 | 
 |  |  | 
 |  |  |     public void getClient() { | 
 |  |  |         try { | 
 |  |  |             if (null == client) { | 
 |  |  |                 client = new MqttClient(PropertiesUtil.MQTT_HOST, PropertiesUtil.MQTT_CLIENT_ID, new MemoryPersistence()); | 
 |  |  |                 client = new MqttClient(MQTT_HOST, MQTT_CLIENT_ID, new MemoryPersistence()); | 
 |  |  |             } | 
 |  |  |             log.info("--创建mqtt客户端"); | 
 |  |  |             log.debug("--创建mqtt客户端"); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             log.error("创建mqtt客户端异常:" + e); | 
 |  |  |         } | 
 |  |  | 
 |  |  |     public MqttConnectOptions getOptions() { | 
 |  |  |         MqttConnectOptions options = new MqttConnectOptions(); | 
 |  |  |         //设置用户名密码 | 
 |  |  |         options.setUserName(PropertiesUtil.MQTT_USER_NAME); | 
 |  |  |         options.setPassword(PropertiesUtil.MQTT_PASSWORD.toCharArray()); | 
 |  |  |         options.setUserName(MQTT_USER_NAME); | 
 |  |  |         options.setPassword(MQTT_PASSWORD.toCharArray()); | 
 |  |  |         // 设置超时时间 | 
 |  |  |         options.setConnectionTimeout(PropertiesUtil.MQTT_TIMEOUT); | 
 |  |  |         options.setConnectionTimeout(MQTT_TIMEOUT); | 
 |  |  |         // 设置会话心跳时间 | 
 |  |  |         options.setKeepAliveInterval(PropertiesUtil.MQTT_KEEP_ALIVE); | 
 |  |  |         options.setKeepAliveInterval(MQTT_KEEP_ALIVE); | 
 |  |  |         // 是否清除session | 
 |  |  |         options.setCleanSession(false); | 
 |  |  |         log.info("--生成mqtt配置对象"); | 
 |  |  |         options.setCleanSession(true); | 
 |  |  |         log.debug("--生成mqtt配置对象"); | 
 |  |  |         return options; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  | 
 |  |  |              */ | 
 |  |  |             qos[i] = 1; | 
 |  |  |         } | 
 |  |  |         log.info("--设置消息发布质量"); | 
 |  |  |         log.debug("--设置消息发布质量"); | 
 |  |  |         return qos; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  | 
 |  |  |     public void create(MqttConnectOptions options, String[] topic, int[] qos) { | 
 |  |  |         try { | 
 |  |  |             client.setCallback(new MqttConsumerCallback(client, options, topic, qos)); | 
 |  |  |             log.info("--添加回调处理类"); | 
 |  |  |             log.debug("--添加回调处理类"); | 
 |  |  |             client.connect(options); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             log.info("装载实例或订阅主题异常:" + e); | 
 |  |  |             log.error("装载实例或订阅主题异常:" + e); | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  | 
 |  |  | 
 |  |  |      */ | 
 |  |  |     public void subscribe(String topic, int qos) { | 
 |  |  |         try { | 
 |  |  |             log.info("topic:" + topic); | 
 |  |  |             log.debug("topic:" + topic); | 
 |  |  |             client.subscribe(topic, qos); | 
 |  |  |         } catch (MqttException e) { | 
 |  |  |             e.printStackTrace(); | 
 |  |  | 
 |  |  |      * 发布 | 
 |  |  |      */ | 
 |  |  |     public static void publish(int qos, boolean retained, String topic, String pushMessage) { | 
 |  |  |         log.info("【主题】:" + topic + "【qos】:" + qos + "【pushMessage】:" + pushMessage); | 
 |  |  |         log.debug("【主题】:" + topic + "【qos】:" + qos + "【pushMessage】:" + pushMessage); | 
 |  |  |         MqttMessage message = new MqttMessage(); | 
 |  |  |         message.setQos(qos); | 
 |  |  |         message.setRetained(retained); | 
 |  |  | 
 |  |  |             token = mTopic.publish(message); | 
 |  |  |             token.waitForCompletion(); | 
 |  |  |             if (token.isComplete()) { | 
 |  |  |                 log.info("消息发送成功"); | 
 |  |  |                 log.debug("消息发送成功"); | 
 |  |  |             } | 
 |  |  |         } catch (MqttPersistenceException e) { | 
 |  |  |             e.printStackTrace(); |