34 lines
787 B
Python
34 lines
787 B
Python
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import paho.mqtt.client as mqtt
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# MQTT Broker 配置
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BROKER = '175.27.168.120'
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PORT = 6011
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TOPIC = "thing/product/1581F8HGX254V00A0BUY/osd"
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# 消息接收回调
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def on_message(client, userdata, msg):
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print(f"Received message: '{msg.payload.decode()}' from topic '{msg.topic}'")
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# 连接成功回调
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def on_connect(client, userdata, flags, rc):
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if rc == 0:
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print("Connected!")
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client.subscribe(TOPIC, qos=1) # 订阅主题
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else:
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print(f"Connection failed with error code {rc}")
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# 创建客户端
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client = mqtt.Client()
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client.username_pw_set("username", "my_password")
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client.on_connect = on_connect
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client.on_message = on_message
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# 连接 Broker
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client.connect(BROKER, PORT, 60)
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# 持续监听消息
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client.loop_forever() # 阻塞式循环
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