透传云

|功能说明   | 获取最后一条数据   |
| ------------ | ------------ |
| URL 地址  |https://cloudapi.usr.cn/usrCloud/datadic/getLastData |
|HTTPS 请求方式   | POST  |
请求参数

|参数英文名  |参数中文名   | 是否必须  | 备注  |
| ------------ | ------------ | ------------ | ------------ |
|  token |token   |  true | 登录成功时返回的 用户凭证  |
| devDataIds |  设备数据点的一些信息   | true  | devId 设备id<br/> slaveIndex 从机序号<br/>  dataId 数据点id  |

示例
Request Body
```javascript
{
    "devDataIds":
         [
            {"devId":"00008381000000000400","slaveIndex":3,"dataId":3889},
            {"devId":"00008381000000000400","slaveIndex":4,"dataId":3890}
        ],
	"token": "UzI1NiJ9. IjoxNDk3NTk0NzE0fQ.HoJHi0RJHi0RJHi0R4fkstVhYVdv0"
}
```
Response Body（成功）:
```javascript
{
    "data":
        [
            {
                "alarm":0,// 是否报警 0 未报警 1 报警
                "createTime":1514175115,
                "slaveIndex":3,//从机序号
                "dataPointId":3890,
                "deviceId":"00008381000000000400",
                "id":28959882,
                "value":0 //数值
            },
            {
                "alarm":1,
                "createTime":1512871942,
                "slaveIndex":4,
                "dataPointId":3348,
                "deviceId":"00008381000000000400",
                "id":18226909,
                "value":1
            }
        ],
    "status":0,
    "info":"ok"
}
```