yangys
2024-10-30 25db770e621f1259b8d5b7fd514207f7481c2d0f
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package com.qianwen.smartman.common.mqtt;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.integration.mqtt.support.MqttHeaders;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Service;
 
@Service
public class MqttMessageSender {
    @Autowired
    private MessageChannel mqttOutboundChannel;
 
    public void sendMessage(String topic, String payload) {
        mqttOutboundChannel.send(MessageBuilder.withPayload(payload)
                .setHeader(MqttHeaders.TOPIC, topic)
                .build());
        
    }
}