1
{
2
  "services": [
3
    {
4
      "service_id": "health",
5
      "properties": {
6
        "heart_rate": 78,
7
        "spo2": 98,
8
        "temperature": 36.5
9
      }
10
    }
11
  ]
12
}

1
https://apiexplorer.developer.huaweicloud.com/

1
import { http } from '@kit.NetworkKit';
2

3
const IAM_ENDPOINT = 'https://iam.cn-north-4.myhuaweicloud.com';
4
const PROJECT_NAME = 'cn-north-4';
5

6
export async function getToken(account: string, password: string, domain: string): Promise<string> {
7
  const req = http.createHttp();
8
  try {
9
    const resp = await req.request(`${IAM_ENDPOINT}/v3/auth/tokens`, {
10
      method: http.RequestMethod.POST,
11
      header: { 'Content-Type': 'application/json' },
12
      extraData: JSON.stringify({
13
        auth: {
14
          identity: {
15
            methods: ['password'],
16
            password: {
17
              user: { name: account, password, domain: { name: domain } }
18
            }
19
          },
20
          scope: { project: { name: PROJECT_NAME } }
21
        }
22
      })
23
    });
24

25
    // Token 不在 body 里，而是在响应头 X-Subject-Token 中
26
    return resp.header['X-Subject-Token'] as string;
27
  } finally {
28
    req.destroy();
29
  }
30
}

1
const APP_ENDPOINT = '{你的应用侧接入点}';
2
const PROJECT_ID = '{你的项目 ID}';
3
const DEVICE_ID = '{你的设备 ID}';
4

5
export async function getShadow(token: string): Promise<ShadowResp> {
6
  const req = http.createHttp();
7
  try {
8
    const resp = await req.request(
9
      `https://${APP_ENDPOINT}/v5/iot/${PROJECT_ID}/devices/${DEVICE_ID}/shadow`,
10
      {
11
        method: http.RequestMethod.GET,
12
        header: { 'X-Auth-Token': token }
13
      }
14
    );
15
    return JSON.parse(resp.result as string) as ShadowResp;
16
  } finally {
17
    req.destroy();
18
  }
19
}

1
export async function setFan(token: string, on: boolean) {
2
  const req = http.createHttp();
3
  try {
4
    return await req.request(
5
      `https://${APP_ENDPOINT}/v5/iot/${PROJECT_ID}/devices/${DEVICE_ID}/properties`,
6
      {
7
        method: http.RequestMethod.PUT,
8
        header: {
9
          'X-Auth-Token': token,
10
          'Content-Type': 'application/json'   // 别忘了它，服务器才知道怎么解包
11
        },
12
        extraData: JSON.stringify({
13
          services: [{ service_id: 'health', properties: { fan_switch: on } }]
14
        })
15
      }
16
    );
17
  } finally {
18
    req.destroy();
19
  }
20
}