//app.js App({ onLaunch: function () { // 展示本地存储能力 var logs = wx.getStorageSync('logs') || [] logs.unshift(Date.now()) wx.setStorageSync('logs', logs) let menuButtonObject = wx.getMenuButtonBoundingClientRect(); wx.getSystemInfo({ success: res => { let statusBarHeight = res.statusBarHeight, navTop = menuButtonObject.top,//胶囊按钮与顶部的距离 navHeight = statusBarHeight + menuButtonObject.height + (menuButtonObject.top - statusBarHeight)*2;//导航高度 this.globalData.statusBarHeight = statusBarHeight; this.globalData.navHeight = navHeight; this.globalData.navTop = navTop; this.globalData.windowHeight = res.windowHeight; }, fail(err) { console.log(err); }, }) // 登录 wx.login({ success: res => { } }) // 获取用户信息 wx.getSetting({ success: res => { if (res.authSetting['scope.userInfo']) { // 已经授权,可以直接调用 getUserInfo 获取头像昵称,不会弹框 wx.getUserInfo({ success: res => { // 可以将 res 发送给后台解码出 unionId this.globalData.userInfo = res.userInfo // 由于 getUserInfo 是网络请求,可能会在 Page.onLoad 之后才返回 // 所以此处加入 callback 以防止这种情况 if (this.userInfoReadyCallback) { this.userInfoReadyCallback(res) } } }) }else{ // 未授权,跳转到授权页面 } } }) }, globalData: { userInfo: null, openid:null }, })