// app.js var MQTT = require("./utils/mqtt.js"); App({ onLaunch() { // 展示本地存储能力 const logs = wx.getStorageSync('logs') || [] logs.unshift(Date.now()) wx.setStorageSync('logs', logs) MQTT.ConnectMqtt();//链接MQTT // 登录 wx.login({ success: res => { // 发送 res.code 到后台换取 openId, sessionKey, unionId } }) }, globalData: { userInfo: null } })