IDataTrace添加GetDeviceId

IotaData.go

@@ -70,3 +70,7 @@ func (the *IotaData) R() string {
 func (the *IotaData) GetThingId() string {
 	return the.ThingId
 }
+
+func (the *IotaData) GetDeviceId() string {
+	return the.DeviceId
+}

aggData.go

@@ -33,6 +33,11 @@ func (the *AggData) GetThingId() string {
 	return the.ThingId
 }
 
+// GetDeviceId 功能未实现的功能，会返回“”，只是未了实现接口 IDataTrace
+func (the *AggData) GetDeviceId() string {
+	return "unknown"
+}
+
 var typeDict = map[int]string{
 	2001: "d",
 	2002: "w",

dataTrace.go

@@ -13,4 +13,6 @@ type IDataTrace interface {
 	R() string
 
 	GetThingId() string
+
+	GetDeviceId() string
 }