const app = getApp() Page({ onShareAppMessage() { return { title: '微信登录', path: 'page/API/pages/login/login' } }, onLoad() { this.setData({ hasLogin: app.globalData.hasLogin }) }, data: {}, login() { const that = this wx.login({ success() { app.globalData.hasLogin = true that.setData({ hasLogin: true }) } }) } })