我开始使用Azure IoT集线器,并且配置了我的端点和servicehub以通过路由向其学习。 在这条线路我指定,当消息称水平=关键,它将该消息转发给我的端点就像下面的链接解释说:https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-csharp-csharp-process-d2cAzure路由在过滤查询后没有转发到enpoint
不同的是,我用我自己的代码为我的温度传感器与编程DTO,而我把它作为一个大的JSON消息(见代码)
DTO类:
[DataContract]
class Bmp280DTO
{
[DataMember]
public Guid guid { get; set; }
[DataMember]
public string deviceName { get; set; }
[DataMember]
public float tempSensorValue { get; set; }
[DataMember]
public float pressureSensorValue { get; set; }
[DataMember]
public float altitudeSensorValue { get; set; }
[DataMember]
public DateTime measurementTime { get; set; }
[DataMember]
public string measurename { get; set; }
[DataMember]
public string level { get; set; }
public Bmp280DTO() { }
public Bmp280DTO(Guid id, String Device, float TmpSensorValue, float PrSensorValue, float AlSensorValue)
{
this.guid = id;
this.deviceName = Device;
this.tempSensorValue = TmpSensorValue;
this.pressureSensorValue = PrSensorValue;
this.altitudeSensorValue = AlSensorValue;
this.measurementTime = DateTime.Now;
this.measurename = "LightSensor";
this.level = DetermineMessageLevel(TmpSensorValue);
}
public string ToJson()
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Bmp280DTO));
MemoryStream ms = new MemoryStream();
ser.WriteObject(ms, this);
string json = Encoding.UTF8.GetString(ms.ToArray(), 0, (int)ms.Length);
return json;
}
public string DetermineMessageLevel(float temperaturesensorvalue)
{
if(temperaturesensorvalue > 22)
{
return "critical";
}
return "normal";
}
}
发送消息:
private void SendBmp280Data(Bmp280DTO AzureBmp280Data)
{
System.Text.StringBuilder Bmp280JsonMessage = new System.Text.StringBuilder();
Bmp280JsonMessage.Append(AzureBmp280Data.ToJson());
MessageCommands.SendMessage(Bmp280JsonMessage.ToString());
}
示例消息: {“guid”:“xxxx”,“deviceName”:“Bmp280Sensor”,“tempSensorValue”:23.59763,“pressureSensorValue”:98792.11,“altitudeSensorValue”:213.046539,“measurementTime”:“ -23T05:34:00.4544388-08:00“,”measurename“:”LightSensor“,”level“:”critical“}
消息在IOT集线器中接收但未转发给端点。 我在做什么错?你无法查询json对象消息吗?如果是这种情况,那么你怎么做呢?我不想发送不必要的消息。
谢谢。
看来,湛蓝的过程Json的不同?当我在其他地方测试json时,json是有效的,但是在Azure中,我得到: “您的物业包无效JSON” 希望我很快就能找到它并发布解决方案。 – Tvt