const sdk_device = {
  "productKey": "k0ud6n8Gga2",
  "deviceName": "weixin1", 
  "deviceSecret": "db76b8f7ebc949865a4eb0e9533fc4c0",
  "protocol": 'wxs://',
} 

// app.js
App({
  // MQTT 客户端实例  
  mqttClient: null, 

  initMqttClient: function() {  
    const mqtt = require('./utils/alibabacloud-iot-device-sdk'); // 引入mqtt库  
    this.device = mqtt.device(sdk_device); // 创建MQTT客户端实例并连接到服务器  
    // 设置MQTT客户端的其他选项，如订阅主题等...  
  },  
  
  // onLaunch:function(){
  //   this.initMqttClient(); // 在小程序启动时初始化MQTT客户端  
  // }

  onLaunch() {
    // 展示本地存储能力
    const logs = wx.getStorageSync('logs') || []
    logs.unshift(Date.now())
    wx.setStorageSync('logs', logs)

    // 登录
    wx.login({
      success: res => {
        // 发送 res.code 到后台换取 openId, sessionKey, unionId
      }
    })
  },
  globalData: {
    userInfo: null
  }
})