调整MQTT

jiazx0107@163.com

2023-11-09 97c75a868e9fca03598dfa862bdd7ad94fd5fdcb

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package com.fzzy.mqtt;
 
import lombok.extern.slf4j.Slf4j;
import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
import org.eclipse.paho.client.mqttv3.MqttException;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
 
import javax.annotation.Resource;
 
@Slf4j
@Service
public class MqttPublishService {
 
 
    @Resource
    private MqttProperties mqttProperties;
 
    private static MqttClient client;
 
 
    public void init() throws MqttException {
        //String topic = "/device/hx-weigh-big-01/91511424746940066Y001_91511424746940066Y0010000_002_004_002_001/message/property/report";
        String username = mqttProperties.getUsername();
        String password = mqttProperties.getPassword();
        String clientid = mqttProperties.getClientId();
        String broker = mqttProperties.getHost();
        //String content = " { \"headers\":{ \"productId\":\"hx-weigh-big-01\", \"keepOnlineTimeoutSeconds\":600, \"keepOnline\":true, \"deviceName\":\"地磅称重\" }, \"messageType\":\"REPORT_PROPERTY\", \"deviceId\":\"91511424746940066Y001_91511424746940066Y0010000_002_004_002_001\", \"properties\":{ \"weightInfo\":\"{\\\"exceed\\\":false,\\\"grossWeight\\\":3000.0,\\\"netWeight\\\":3000.0,\\\"static\\\":false,\\\"tareWeight\\\":3000.0,\\\"weightUnit\\\":\\\"KG\\\"}\" }, \"timestamp\":1698336020044     }";
        int qos = 0;
        try {
            client = new MqttClient(broker, clientid, new MemoryPersistence());
            // 连接参数
            MqttConnectOptions options = new MqttConnectOptions();
            // 设置用户名和密码
            options.setUserName(username);
            options.setPassword(password.toCharArray());
            options.setConnectionTimeout(60);
            options.setKeepAliveInterval(60);
            // 连接
            client.connect(options);
 
        } catch (MqttException e) {
            throw new RuntimeException(e);
        }
 
    }
 
    public void publishMsg(String topic, String content) {
 
        // String topic = "/device/hx-weigh-big-01/91511424746940066Y001_91511424746940066Y0010000_002_004_002_001/message/property/report";
        //String content = " { \"headers\":{ \"productId\":\"hx-weigh-big-01\", \"keepOnlineTimeoutSeconds\":600, \"keepOnline\":true, \"deviceName\":\"地磅称重\" }, \"messageType\":\"REPORT_PROPERTY\", \"deviceId\":\"91511424746940066Y001_91511424746940066Y0010000_002_004_002_001\", \"properties\":{ \"weightInfo\":\"{\\\"exceed\\\":false,\\\"grossWeight\\\":3000.0,\\\"netWeight\\\":3000.0,\\\"static\\\":false,\\\"tareWeight\\\":3000.0,\\\"weightUnit\\\":\\\"KG\\\"}\" }, \"timestamp\":1698336020044     }";
        int qos = mqttProperties.getQos();
 
        try {
            // 创建消息并设置 QoS
            MqttMessage message = new MqttMessage(content.getBytes());
            message.setQos(qos);
            // 发布消息
            client.publish(topic, message);
 
 
            log.info("------------Message published-------------");
            log.info("topic: " + topic);
            log.info("message content: " + content);
 
            // 关闭连接
            //client.disconnect();
            // 关闭客户端
            //client.close();
        } catch (MqttException e) {
            throw new RuntimeException(e);
        }
    }
}