8.1数据点查询

为设备属性值和相关资源值提供查询接口

8.1.1查询设备的多个属性值的最新值

功能描述：查询指定设备的多个属性值的最新值。

GET  /api/v1/data/properties/recent/value

Query:

cURL example:

curl --location --request GET '{{address}}/api/v1/data/properties/recent/value?accessKeyId={accessKeyId}&signatureNonce={signatureNonce}&signature={signature}&deviceId={deviceId}&propertyNames={propertyNames}' \
--header 'projectId: {projectId}'

Response body:

Response example:

{
    "success": true,
    "code": 0,
    "msg": "",
    "data":[
             {
              "eventId": "991466b0-6d03-4508-88d6-2dc86e7fc618",
              "deviceId": "22",
              "productId": "17",
              "protocol": "MQTT-STANDARD",
              "name": "test",
              "value": 60,
              "created": 1552040792038
             }
          ]
    }

8.1.2分页查询资源某时间段数据点

功能描述：提供分页查询资源某时间段数据点。

GET  /api/v1/data/device/{deviceId}

Query:

cURL example:

curl --location --request GET '{{address}}/api/v1/data/device/{deviceId}?accessKeyId={accessKeyId}&signatureNonce={signatureNonce}&signature={signature}&resourceName={resourceName}&start={start}&end={end}&currentPage={currentPage}&pageSize={pageSize}' \
--header 'projectId: {projectId}'

Response body:

Response example:

注：totalCount和totalPage字段值均为0

{
    "success": true,
    "code": 0,
    "msg": "",
    "data":{"content":
            [
             {
              "eventId": "991466b0-6d03-4508-88d6-2dc86e7fc618",
              "deviceId": "22",
              "productId": "17",
              "protocol": "MQTT-STANDARD",
              "name": "test",
              "value": 60,
              "created": 1552040792038
             }
          ],
        "currentPage":1,
        "pageSize":1,
        "totalCount":0,
        "totalPage":0
    }
}

8.1.3查询指定时间段系统的全部数据点

功能描述：查询指定时间段系统的全部数据点，仅限顶层用户使用。

GET  /api/v1/data/events/all

Query:

cURL example:

curl --location --request GET '{{address}}/api/v1/data/events/all?accessKeyId={accessKeyId}&signatureNonce={signatureNonce}&signature={signature}&start=1600759158000&end=1600931958000'

Response body:

Response example:

{
    "success": true,
    "code": 0,
    "msg": "",
    "data":[
             {
              "eventId": "991466b0-6d03-4508-88d6-2dc86e7fc618",
              "deviceId": "22",
              "productId": "17",
              "protocol": "MQTT-STANDARD",
              "name": "test",
              "value": 60,
              "created": 1552040792038
             }
          ]
}