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- //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 => {
- // 发送 res.code 到后台换取 openId, sessionKey, unionId
- }
- })
- // 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
- wx.reLaunch({
- url: '/pages/auth/auth',
- })
- }
- }
- })
- },
-
- globalData: {
- userInfo: null
- }
- })
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