app.js

//app.js
App({
  onLaunch: function () {
    console.log('App Launch')
    //调用API从本地缓存中获取数据
    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{
      //调用登录接口
      wx.login({
        success: function () {
          wx.getUserInfo({
            success: function (res) {
              that.globalData.userInfo = res.userInfo
              typeof cb == "function" && cb(that.globalData.userInfo)
            }
          })
        }
      })
    }
  },
  onShow: function () {
    console.log('App Show')
  },
  onHide: function () {
    console.log('App Hide')
  },
  globalData:{
    userInfo:null
  },
  cartInfo:{
    carts: [
      {id:1008,title:'Macbook Air',image:'https://img13.360buyimg.com/n7/jfs/t2191/334/2921047884/217714/eb1dd389/571f1329Ne4122e4c.jpg',num:'1',price:'6968.0',sum:'6968.0',selected:true, "right":0, "startRight":0},
      {id:1009,title:'Zippo打火机',image:'https://img12.360buyimg.com/n7/jfs/t2584/348/1423193442/572601/ae464607/573d5eb3N45589898.jpg',num:'1',price:'198.0',sum:'198.0',selected:true, "right":0, "startRight":0},
      {id:1012,title:'iPhone7 Plus',image:'https://img13.360buyimg.com/n7/jfs/t3235/100/1618018440/139400/44fd706e/57d11c33N5cd57490.jpg',num:'1',price:'7188.0',sum:'7188.0',selected:true, "right":0, "startRight":0},
      {id:1031,title:'得力订书机',image:'https://img10.360buyimg.com/n7/jfs/t2005/172/380624319/93846/b51b5345/5604bc5eN956aa615.jpg',num:'3',price:'15.0',sum:'45.0',selected:false, "right":0, "startRight":0},
      {id:1054,title:'康师傅妙芙蛋糕',image:'https://img14.360buyimg.com/n7/jfs/t2614/323/914471624/300618/d60b89b6/572af106Nea021684.jpg',num:'2',price:'15.2',sum:'30.4',selected:false, "right":0, "startRight":0},
      {id:1063,title:'英雄钢笔',image:'https://img10.360buyimg.com/n7/jfs/t1636/60/1264801432/53355/bb6a3fd1/55c180ddNbe50ad4a.jpg',num:'1',price:'122.0',sum:'122.0',selected:true, "right":0, "startRight":0},
    ]
  }
})