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19 lines
560 B
19 lines
560 B
import paho.mqtt.client as mqtt
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def on_connect(client, userdata, flags, rc,properties):
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print("Connected with result code " + str(rc))
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client.subscribe("test/image")
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def on_message(client, userdata, msg):
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with open("received_image.jpg", "wb") as image_file:
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image_file.write(msg.payload)
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print("Image received and saved")
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client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2, )
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client.on_connect = on_connect
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client.on_message = on_message
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client.connect("121.40.129.71", 48835, 60) # 连接到 MQTT 代理
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client.loop_forever()
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