mqtt_client = mqtt.Client(ClientId) 1. 2. 设置用户名和密码 mqtt_client.username_pw_set(username, password) # 设置用户名和一个可用的密码 1. 然后设置MQTT连接时的回调函数: mqtt_client.on_connect = mqtt_connected # 设置连接成功回调函数 mqtt_client.on_message = on_message # 设置收到订阅主题...
mqttc.on_connect = on_connect mqttc.on_publish = on_publish mqttc.on_subscribe = on_subscribe mqttc.on_log = on_log # 设置账号密码 # mqttc.username_pw_set(username, password=password) mqttc.connect(strBroker, port, 60) mqttc.subscribe(topic, 0) mqttc.loop_forever() MqttServer.py...
mqttc.on_publish = on_publish mqttc.on_subscribe = on_subscribe mqttc.on_log = on_log # 设置账号密码 # mqttc.username_pw_set(username, password=password) mqttc.connect(strBroker, port, 60) mqttc.subscribe(topic, 0) mqttc.loop_forever() MqttServer.py import sys import datetime import...
mqttc.on_log = on_log # 设置账号密码 # mqttc.username_pw_set(username, password=password) mqttc.connect(strBroker, port, 60) mqttc.subscribe(topic, 0) mqttc.loop_forever() MqttServer.py import sys import datetime import socket, sys import paho.mqtt.publish as publish''' 发送消息 ''...
broker='127.0.0.1'#mqtt代理服务器地址port = 1883keepalive= 60#与代理通信之间允许的最长时间段(以秒为单位)topic ="/python/mqtt"#消息主题client_id = f'python-mqtt-pub-{random.randint(0, 1000)}'#客户端id不能重复defconnect_mqtt():'''连接mqtt代理服务器'''defon_connect(client, userdata, fl...
定义一个 while 循环语句,在循环中设置每秒调用 MQTT 客户端publish函数向/python/mqtt主题发送消息。 登录后复制ddef on_publish(): # 发布消息 msg_count = 0 while True: time.sleep(1) mqttClient = mqtt_connect(MQTT_SERVER_IP, MQTT_PORT) ...
on_message=self.on_messageself.myClient.on_publish=self.on_publish# self.myClient.connect_async(mqtt_host, mqtt_port, mqtt_keepalive) # 异步数据发送self.myClient.connect(mqtt_host,mqtt_port,mqtt_keepalive)# 同步数据发送# self.myClient.loop_forever() # 保持连接defon_connect(self,client,...
self.client.on_subscribe=self.on_subscribedefconnect(self):'''connect to the mqtt server. '''self.client.username_pw_set(self.config['username']if'username'inself.configelseNone,self.config['password'])# 'admin', '123456')self.client.connect(self.config['host'],self.config['port'],keep...
首先是进行获取MQTT的数据,函数API使用实例如下: ##MQTT操作defMQTTWeight():# config._init()client_weight= mqtt.Client()client_weight.on_connect = on_connect_weightclient_weight.on_message = on_message_weightclient_weight.connect('**.**.***....
MQTT调试工具MQTT.fx 是目前主流的mqtt客户端,可以快速验证是否可以与IoT Hub 服务交流发布或订阅消息。 Python paho-mqtt 模块使用 安装:pip install paho-mqtt MQTT订阅消息的python案例: import paho.mqtt.client as mqtt def on_connect(client, userdata, flags, rc): ...