// app.js require('./page-extend') App({ onLaunch(){ var that =this wx.getSystemInfo({ success(res) { //获取屏幕的宽成功 that.globalData.screenWidth =res.screenWidth that.globalData.screenHeight=res.screenHeight that.globalData.statusBarHeight = res.statusBarHeight }}) let userInfo=wx.getStorageSync("userInfo") || null if(userInfo){ this.globalData.token=userInfo.token this.globalData.uid = userInfo.uid this.globalData.nickName=userInfo.nickName this.globalData.avatarUrl=userInfo.avatarUrl this.globalData.userInfo=userInfo } }, globalData: { userInfo: null,token: null, uid: null } })