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tencent-smartiot

v0.2.17

Published

tencent cloud smartiot js sdk

Downloads

15

Readme

腾讯云 IoT JS SDK

环境

这个 SDK 的目标是同时工作于以下环境:

  • 小程序。使用 dist/iot_sdk.miniprogram.js
  • Node.js。直接 require 此包
  • 浏览器 or React Native。使用 dist/iot_sdk.browser.js

安装

$ npm i tencent-smartiot

示例

const SDK = require('tencent-smartiot')

async function main() {
  const sdk = new SDK({
    // 从控制台申请一个应用,会得到 AppKey
    AppKey: 'xxxxxxx',
  });

  // 调用云api方法登录
  let response = await sdk.callYunApi({
    Action: 'AppGetToken',
    ActionParams: {
      UserName: 'iotappuser',
      Password: 'xxxx',
    }
  })
  // 获取登录令牌
  const AccessToken = response.AccessToken
  
  // 绑定登录令牌
  sdk.bindAccessToken(AccessToken);
  
  // 获取用户名下的设备列表
  response = await sdk.callYunApi({
    Action: 'AppGetDevices',
    ActionParams: {
    }
  })
  
  console.log(`AppGetDevices %j`, response)
    
}

main()

方法

constructor

AppKey:每个app都有对应的 AppKey,在控制台的应用管理中的 secretId 就是 AppKey。一个app只能操作它有权限的产品,不能跨产品操作。

AccessToken:登录之后服务器会返回 AccessToken,用于标记一个用户的会话。这个参数也可以后面再通过 bindAccessToken 传入。

wsOptions:针对sdk封装的ws客户端进行配置,请看源码中的 iot_web_socket.js 文件。

new SDK({
  AppKey: 'xxxx',
  AccessToken: 'yyyyyy',
})

callYunApi(options)

  • options.Action string 云方法名
  • options.ActionParams object 方法对应的参数
  • options.WithAccessToken boolean 默认true。参考.bindAccessToken方法

Version 默认为 2018-01-23

云api的文档在:https://cloud.tencent.com/document/product/568/16436

默认的超时时间为5s,超时会抛错。

bindAccessToken(AccessToken)

登录之后,调用这个接口绑定 AccessToken。这样在调用云api任何接口时,都会自动传 AccessToken 参数。如果需要暂时忽略 AccessToken 参数,则在 callYunApi 时,传入 options.WithAccessToken=false

登录方式有多种,请参照 API 文档中的登录部分,并通过 callYunApi 进行登录。

activePush()

bindAccessToken 之后,即可调用此方法来开启服务端推送。 每当用户名下的设备发生数据变动时,则会推送消息过来。

onPush 方法结合使用

onPush(fn)

当服务端推送消息时,会调用 fn(pushEvent),pushEvent格式如下

({ 
  action: 'DeviceChange',
  params: { 
    Type: 'control',
    Ts: 1541512121555,
    ProductId: 'iot-b87oxqbs',
    DeviceName: 'test-app-device',
    PIDN: 'iot-b87oxqbs/test-app-device',
    Data: { smart6: 1 }
  },
  push: true 
})

license

MIT