1.3、monkey patch的应用场景 如果我们的程序中已经基于json模块编写了大量代码了,发现有一个模块ujson比它性能更高, 但用法一样,我们肯定不会想所有的代码都换成ujson.dumps或者ujson.loads,那我们可能 会想到这么做 import ujson as json,但是这么做的需要每个文件都重新导入一下,维护成本依然很高 此时我们就可以用...
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result = client.publish(topic, msg)# result: [0, 1]status = result[0]ifstatus ==0:print(f"Send `{msg}` to topic `{topic}`")else:print(f"Failed to send message to topic{topic}")defrun(): client = connect_mqtt() client.loop_start() publish(client)if__name__ =='__main__'...
可以在MQTT服务配置中指定privatestaticfinalStringclientid="server11";privateMqttClient client;privateMqttTopic topic11;privateStringuserName="paho";//非必须privateStringpassWord="";//非
点击Publish发送 在阿里云控制台观察到LED开关的状态已经被我们更新了 至此，完成使用MQTT.fx模拟设备端与...
client.publish(topic, msg) # result: [0, 1] status = result[0] if status == 0: print(f"Send `{msg}` to topic `{topic}`") else: print(f"Failed to send message to topic {topic}") msg_count += 1 def run(): client = connect_mqtt() client.loop_start() publish(client) if...
安装依赖 yarn add paho-mqtt 新建mqtt模块 // utils/mqtt.ts import Paho from "paho-mqtt"; var...
def publish(): pubTopic = "/huawei/v1/devices/" + deviceId + "/data/json" payload = { "msgType": "deviceReq", "data": [ { "serviceId": "Storage", "serviceData": { "storage": "1" } } ] } message = json.dumps(payload) mqtt.publish(pubTopic, message, 1) ...
import paho.mqtt.publish as publish hostname = ‘183.230.40.39’ # OneNET服务器地址 port = 6002 # OneNET服务器端口地址 clientid = ‘8760549’ # 创建设备时得到的设备ID,为数字字串 username = ‘79581’ # 注册产品时,平台分配的产品ID,为数字字串 ...
defpublish():pubTopic="/huawei/v1/devices/"+deviceId+"/data/json"payload={"msgType":"deviceReq","data":[{"serviceId":"Storage","serviceData":{"storage":"1"}}]}message=json.dumps(payload)mqtt.publish(pubTopic,message,1) 3.设备接收命令 ...