wxsapp/GameSmallPool/app.js

//app.js
App({
  onLaunch: function() {
    var info = wx.getSystemInfoSync()
    this.config.ua = 'ProgramPool#' + info.system + '~' + info.version + '~' + info.SDKVersion + '#100'
    this.config.width = info.screenWidth;
    this.update();
  },
  config: {
    debug: false,
    width: 0,
    ua: '',
    code: '',
    key: '',
    loginTime: 0,

  },
  log: function(text) {
    if (this.config.debug) {
      console.log(text);
    }
  },
  update: function() {
    const updateManager = wx.getUpdateManager();
    updateManager.onUpdateReady(function() {
      wx.showModal({
        title: '更新提示',
        content: '新版本已经准备好，是否重启应用？',
        success: function(res) {
          if (res.confirm) {
            // 新的版本已经下载好，调用 applyUpdate 应用新版本并重启
            updateManager.applyUpdate()
          }
        }
      })
    })
  }
})