使用Python库paho.mqtt.client 模拟mqtt client 连接broker,publish topic。 #-*-coding:utf-8-*-importpaho.mqtt.client as mqttclassmqttHandle(object):def__init__(self,mqtt_info): self.mqtt_info=mqtt_infodefon_connect(client, userdata, flags, rc):print("Connected with result code"+str(rc)) c...
c = MQTTClient(CLIENT_ID, server,6002,username,password,keepalive=60) #创建客户端连接 c.set_callback(sub_cb) #set callback c.connect() #connect mqtt c.subscribe(TOPIC) #订阅 c.publish('$dp',pub_data(message)) #发布 #print('publish message:',message) time.sleep(5) try: while 1:...
client.on_message = mqttHandle.on_message client.username_pw_set(self.mqtt_info['username'], self.mqtt_info['password']) client.connect(self.mqtt_info['host'], self.mqtt_info['port'], 60) client.publish(self.mqtt_info['topic'], str(self.mqtt_info['payload'])) #client.loop_forever...
client_id,protocol=mqtt.MQTTv31):self.myClient=mqtt.Client(client_id,protocol=protocol)self.myCli...
client.on_disconnect=on_disconnectreturnclientdefpublish(client): msg_count=0whilenotFLAG_EXIT: msg_dict={'msg': msg_count } msg=json.dumps(msg_dict)ifnotclient.is_connected(): logging.error("publish: MQTT client is not connected!") ...
client.on_message = on_message client.on_publish = on_publish client.on_unsubscribe = on_unsubscribe client.on_subscribe = on_subscribe client.on_disconnect = on_disconnect client.username_pw_set(username = auth_Info.mqttUsername, password = auth_Info.mqttPassword) ...
mqttc = mqtt.Client("test") mqttc.on_message = on_message 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) ...
(MQTTHOST,MQTTPORT,60)mqttClient.loop_start()# 启用线程连接returnmqttClient# 发布消息defmqtt_publish():"""发布主题为'mqtt/demo',内容为'Demo text',服务质量为2"""mqttClient=mqtt_connect()text="Demo text"mqttClient.publish('mqtt/demo',text,2)mqttClient.loop_stop()if__name__=='__main_...
mqttc = mqtt.Client("test") mqttc.on_message = on_message 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) ...
@文心快码python mqtt publish 文心快码 为了使用Python实现MQTT消息的发布,你需要遵循以下步骤: 导入MQTT相关的Python库: 首先,确保你已经安装了paho-mqtt库。如果没有安装,可以使用以下命令进行安装: bash pip install paho-mqtt 然后,在你的Python脚本中导入该库: python from paho.mqtt import client as mqtt ...