Analyse du processus d'exécution du mini-programme

1 appid wx0c387cc8c19bdf78
2 appsecret acd6c02e2fdca183416df1269d2e3fb9

//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)

    // 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)
              }
            }
          })
        }
      }
    })
  },
  globalData: {
    userInfo: null
  }
})

y = function() {
            function e(t) {
                var n = this;
                o(this, e),
                s.forEach(function(e) {
                    var o = function() {
                        var n = (t[e] || i.noop).bind(this);
                        Reporter.__route__ = "App",
                        Reporter.__method__ = e,
                        (0,
                        i.info)("App: " + e + " have been invoked");
                        try {
                            n.apply(this, arguments)
                        } catch (t) {
                            Reporter.thirdErrorReport({
                                error: t,
                                extend: "at App lifeCycleMethod " + e + " function"
                            })
                        }
                    };
                    n[e] = o.bind(n)
                });
                for (var r in t)
                    !function(e) {
                        g(e) ? (0,
                        i.warn)("关键字保护", "App's " + e + " is write-protected") : v(e) || ("[object Function]" === Object.prototype.toString.call(t[e]) ? n[e] = function() {
                            var n;
                            Reporter.__route__ = "App",
                            Reporter.__method__ = e;
                            try {
                                n = t[e].apply(this, arguments)
                            } catch (t) {
                                Reporter.thirdErrorReport({
                                    error: t,
                                    extend: "at App " + e + " function"
                                })
                            }
                            return n
                        }
                        .bind(n) : n[e] = t[e])
                    }(r);
                this.onError && Reporter.registerErrorListener(this.onError);
                var l = function() {
                    "hang" === (arguments.length > 0 && void 0 !== arguments[0] ? arguments[0] : {}).mode && (f = !0);
                    var e = (0,
                    a.getCurrentPages)();
                    e.length && (e[e.length - 1].onHide(),
                    (0,
                    u.triggerAnalytics)("leavePage", e[e.length - 1], !0)),
                    this.onHide(),
                    (0,
                    u.triggerAnalytics)("background")
                }
                  , h = function() {
                    var e = arguments.length > 0 && void 0 !== arguments[0] ? arguments[0] : {};
                    if (0 === e.scene || "0" === e.scene ? e.scene = c : c = e.scene,
                    e.query = e.query || {},
                    (0,
                    i.hasExitCondition)(e) && (p = !0),
                    this.onShow(e),
                    (0,
                    u.triggerAnalytics)("foreground"),
                    d || e.reLaunch)
                        d = !1;
                    else {
                        var t = (0,
                        a.getCurrentPages)();
                        t.length && (t[t.length - 1].onShow(),
                        (0,
                        u.triggerAnalytics)("enterPage", t[t.length - 1], !0))
                    }
                };
                if ("undefined" != typeof __wxConfig && __wxConfig) {
                    var y = __wxConfig.appLaunchInfo || {};
                    y.query = y.query || {},
                    c = y.scene,
                    (0,
                    i.hasExitCondition)(y) && (p = !0),
                    this.onLaunch(y),
                    (0,
                    u.triggerAnalytics)("launch"),
                    h.call(this, y)
                } else
                    (0,
                    i.error)("App Launch Error", "Can not find __wxConfig");
                wx.onAppEnterBackground(l.bind(this)),
                wx.onAppEnterForeground(h.bind(this)),
                _.call(this, "function" == typeof t.onPageNotFound)
            }
            return r(e, [{
                key: "getCurrentPage",
                value: function() {
                    (0,
                    i.warn)("将被废弃", "App.getCurrentPage is deprecated, please use getCurrentPages.");
                    var e = (0,
                    a.getCurrentPage)();
                    if (e)
                        return e.page
                }
            }]),
            e
        }();

//index.js
//获取应用实例
const app = getApp()

Page({
  data: {
    motto: 'Hello Wor11ld',
    userInfo: {},
    hasUserInfo: false,
    canIUse: wx.canIUse('button.open-type.getUserInfo')
  },
  //事件处理函数
  bindViewTap: function() {
    wx.navigateTo({
      url: '../logs/logs'
    })
  },
  onLoad: function () {
    if (app.globalData.userInfo) {
      this.setData({
        userInfo: app.globalData.userInfo,
        hasUserInfo: true
      })
    } else if (this.data.canIUse){
      // 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
      app.userInfoReadyCallback = res => {
        this.setData({
          userInfo: res.userInfo,
          hasUserInfo: true
        })
      }
    } else {
      // 在没有 open-type=getUserInfo 版本的兼容处理
      wx.getUserInfo({
        success: res => {
          app.globalData.userInfo = res.userInfo
          this.setData({
            userInfo: res.userInfo,
            hasUserInfo: true
          })
        }
      })
    }
  },
  getUserInfo: function(e) {
    console.log(e)
    app.globalData.userInfo = e.detail.userInfo
    this.setData({
      userInfo: e.detail.userInfo,
      hasUserInfo: true
    })
  }
})

1 debugger;
2 this.setData({
3   userInfo: app.globalData.userInfo,
4   hasUserInfo: true
5 })