bms-java/src/main/java/com/zy/bms/config/mqtt/MqttGateway.java

package com.zy.bms.config.mqtt;

import org.springframework.integration.annotation.MessagingGateway;
import org.springframework.integration.mqtt.support.MqttHeaders;
import org.springframework.messaging.handler.annotation.Header;
import org.springframework.stereotype.Service;

/**
 * 消息推送接口
 */
@Service
@MessagingGateway(defaultRequestChannel = "mqttOutboundChannel")
public interface MqttGateway {
    /**
     * 向指定主题推送消息
     *
     * @param data  消息
     * @param topic 主题
     */
    void sendMsgToMqtt(String data, @Header(MqttHeaders.TOPIC) String topic);
}