mqttmsg.wait_for_publish()#must wait else not publish complete # 创建MQTT客户端 mqtt_client_id = f"ZNY_{BH}" mqtt_client = mqtt.Client(mqtt_client_id, userdata=None, protocol=mqtt.MQTTv5) mqtt_client.enable_logger() mqtt_client.on_connect = on_connect mqtt_client.on_message = on_me...
首先在HASS上下载mqtt 步骤如下: 配置中打开设备与服务,点开右下角添加集成,输入MQTT查找,下面紫色那个图标就是我们要配置的对象。 下载后,点击左下角选项进入配置界面,配置MQTT 填写如下信息,服务器地址为前面下载的mosquitto MQTT代理服务器IP地址,端口都市区883,用户名和密码是之前自己设置的 以上完成后,本地PC端...
首先定义一个 while 循环语句,在循环中我们将设置每秒调用 MQTT 客户端publish函数向/python/mqtt主题发送消息。 def publish(client): msg_count = 0 while True: time.sleep(1) msg = f"messages: {msg_count}" result = client.publish(topic, msg) # result: [0, 1] status = result[0] if status...
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) mqttc.connect(strBroker, port, 60) ...
client.on_message = on_message # 连接到阿里云物联网平台 client.connect(broker, port, 60) # 启动MQTT客户端 client.loop_start() # 发送随机数的函数 def publish_random_number(): topic = f"/sys/${ProductKey}/${deviceName}/thing/event/property/post" ...
该书的代码包也托管在 GitHub 上,网址为github.com/PacktPublishing/Hands-On-MQTT-Programming-with-Python。如果代码有更新,将在现有的 GitHub 存储库中更新。 我们还有其他代码包,来自我们丰富的书籍和视频目录,可以在github.com/PacktPublishing/上找到。去看看吧!
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) 相关的回调函数构造,主要参考了paho-mqtt库官方文档: ...
@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 ...
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) ...
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() ...