App({
  onLaunch() {
    // 展示本地存储能力
    const logs = wx.getStorageSync('logs') || []
    logs.unshift(Date.now())
    wx.setStorageSync('logs', logs)

    // 初始化数据
    this.initData()
  },

  // 初始化数据结构
  initData() {
    // 检查是否有旧数据
    const persons = wx.getStorageSync('persons') || []
    const anniversaries = wx.getStorageSync('anniversaries') || []
    
    if (persons.length === 0 && anniversaries.length === 0) {
      console.log('初始化数据结构')
    }
  },

  globalData: {
    userInfo: null
  }
})