@ -34,8 +34,6 @@ def on_message(client, userdata, msg):
client.publish("response/{}".format(user_id), "image produce success!", qos=2)
client.publish("image/{}".format(user_id), open("/tmp/image.jpg", "rb").read(), qos=2)
# 全局变量,用于标记是否收到响应
global response_received
response_received = True
# 创建客户端实例
client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2,)