app.js

// app.js
App({
  globalData: {
    // userInfo: null
    screenWidth: 375,
    screenHeight: 667,
    statusBarHeight: 20,
    contentHeight: 500,
  },
  onLaunch() {
    // 获取设备的信息
    wx.getSystemInfo({
      success: (res) => {
        this.globalData.screenWidth = res.screenWidth;
        this.globalData.screenHeight = res.screenHeight;
        this.globalData.statusBarHeight = res.statusBarHeight;
        this.globalData.contentHeight =
          res.screenHeight - res.statusBarHeight - 44;
      },
    });
    // 展示本地存储能力
    // const 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
    //   }
    // })
  },
});