// app.js
App({
  onLaunch() {
 //设置状态栏
 wx.getSystemInfo({
  success: e => {
    this.globalData.StatusBar = e.statusBarHeight;
    let capsule = wx.getMenuButtonBoundingClientRect();
    if (capsule) {
      this.globalData.Custom = capsule;
      this.globalData.CustomBar = capsule.bottom + capsule.top - e.statusBarHeight;
    } else {
      this.globalData.CustomBar = e.statusBarHeight + 50;
    }
  }
})
    // 登录
    wx.login({
      success: res => {
        // 发送 res.code 到后台换取 openId, sessionKey, unionId
      }
    })
  },
  globalData: {
    userInfo: null
  }
})