//app.js
App({
 onLaunch: function () {
 //調(diào)用API從本地緩存中獲取數(shù)據(jù)
 var logs = wx.getStorageSync('logs') || []
 logs.unshift(Date.now())
 wx.setStorageSync('logs', logs)
 },
 getUserInfo:function(cb){
 var that = this;
 if(this.globalData.userInfo){
  typeof cb == "function" && cb(this.globalData.userInfo)
 }else{
  //調(diào)用登錄接口
  wx.login({
  success: function () {
   wx.getUserInfo({
   success: function (res) {
    that.globalData.userInfo = res.userInfo;
    typeof cb == "function" && cb(that.globalData.userInfo)
   }
   })
  }
  });
 }
 },
 globalData:{
 userInfo:null
 }
})

{
 "pages":[
 "pages/index/index",
 "pages/logs/logs"
 ],
 "window":{
 "backgroundTextStyle":"light",
 "navigationBarBackgroundColor": "#fff",
 "navigationBarTitleText": "WeChat",
 "navigationBarTextStyle":"black"
 }
}

/**app.wxss**/
.container {
 height: 100%;
 display: flex;
 flex-direction: column;
 align-items: center;
 justify-content: space-between;
 padding: 200rpx 0;
 box-sizing: border-box;
}

<!--index.wxml-->
<view class="container">
 <view bindtap="bindViewTap" class="userinfo">
 <image class="userinfo-avatar" src="{{userInfo.avatarUrl}}" background-size="cover"></image>
 <text class="userinfo-nickname">{{userInfo.nickName}}</text>
 </view>
 <view class="usermotto">
 <text class="user-motto">{{motto}}</text>
 </view>
</view>

//index.js
//獲取應(yīng)用實(shí)例
var app = getApp()
Page({
 data: {
 motto: 'Hello World',
 userInfo: {}
 },
 //事件處理函數(shù)
 bindViewTap: function() {
 wx.navigateTo({
  url: '../logs/logs'
 })
 },
 onLoad: function () {
 console.log('onLoad')
 var that = this
 //調(diào)用應(yīng)用實(shí)例的方法獲取全局?jǐn)?shù)據(jù)
 app.getUserInfo(function(userInfo){
  //更新數(shù)據(jù)
  that.setData({
  userInfo:userInfo
  })
 })
 }
})

/**index.wxss**/
.userinfo {
 display: flex;
 flex-direction: column;
 align-items: center;
}

.userinfo-avatar {
 width: 128rpx;
 height: 128rpx;
 margin: 20rpx;
 border-radius: 50%;
}

.userinfo-nickname {
 color: #aaa;
}

.usermotto {
 margin-top: 200px;
}

<!--logs.wxml-->
<view class="container log-list">
 <block wx:for="{{logs}}" wx:for-item="log">
 <text class="log-item">{{index + 1}}. {{log}}</text>
 </block>
</view>

//logs.js
var util = require('../../utils/util.js')
Page({
 data: {
 logs: []
 },
 onLoad: function () {
 this.setData({
  logs: (wx.getStorageSync('logs') || []).map(function (log) {
  return util.formatTime(new Date(log))
  })
 })
 }
})