# -*- coding: utf-8 -*- # cython: language_level=3 import json import paho.mqtt.client as mqtt # 创建MQTT客户端 client = mqtt.Client(protocol=mqtt.MQTTv311) # 连接服务器 broker_address = "192.168.5.215" port = 1883 client.connect(broker_address, port) # 发布消息 cliet_udid = '3d53149e-408f-56c6-99ef-29fae67f8efc' topic = "/maintain/room/online/" + cliet_udid + "/" message = { "udid": cliet_udid, "action": "online", "value": 1 } client.publish(topic, json.dumps(message), qos=0) # 断开连接 client.disconnect()