get/set/subscribe 接口设计
时间: 2023-08-20 07:07:35 浏览: 80
在接口设计中,get、set、subscribe通常是用于对某个实体(例如设备、变量、配置等)进行读取、修改和订阅的三个基本操作。
下面是三个基本操作的接口设计建议:
1. Get接口:用于获取某个实体的当前值,通常是通过HTTP GET请求实现,例如:
```
GET /device/{device_id}/temperature HTTP/1.1
Host: api.example.com
HTTP/1.1 200 OK
Content-Type: application/json
{"value": 25.4, "timestamp": "2022-01-01T12:00:00"}
```
2. Set接口:用于修改某个实体的值,通常是通过HTTP PUT或POST请求实现,例如:
```
PUT /device/{device_id}/temperature HTTP/1.1
Host: api.example.com
Content-Type: application/json
{"value": 26.0}
HTTP/1.1 204 No Content
```
3. Subscribe接口:用于订阅某个实体的值变化,通常是通过WebSocket或长轮询等技术实现,例如:
```
GET /device/{device_id}/temperature/subscribe HTTP/1.1
Host: api.example.com
HTTP/1.1 200 OK
Connection: Upgrade
Upgrade: websocket
Sec-WebSocket-Accept: ...
{"value": 25.4, "timestamp": "2022-01-01T12:00:00"}
{"value": 25.5, "timestamp": "2022-01-01T12:01:00"}
{"value": 25.6, "timestamp": "2022-01-01T12:02:00"}
...
```