import paho.mqtt.client as mqtt # MQTT 代理设置 broker_address = "127.0.0.1" broker_port = 41883 username = "admin" password = "public" # 创建客户端实例 client = mqtt.Client() # 设置用户名和密码 client.username_pw_set(username, password) # 连接到 MQTT 代理 client.connect(broker_address, broker_port) # 可以继续执行 MQTT 操作（发布、订阅等）
