[javascript] view plain copy print?
//app.js  
App({  
  onLaunch: function () {  
    //調用API從本地緩存中獲取數據  
    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{  
      //調用登錄接口  
      wx.login({  
        success: function (res) {  
              var code = res.code  
                // success  
                // 獲取用戶信息  
              wx.getUserInfo({  
                  success: function (data) {  
                    that.globalData.userInfo = data.userInfo  
                    typeof cb == "function" && cb(that.globalData.userInfo)  
                    var rawData = data.rawData;  
                    var signature = data.signature;  
                    var encryptedData = data.encryptedData;  
                    var iv = data.iv;