<script lang="uts"> let firstBackTime = 0 export default { onLaunch: function () { console.log('App Launch') }, onShow: function () { console.log('App Show') }, onHide: function () { console.log('App Hide') }, // #ifdef APP-ANDROID onLastPageBackPress: function () { console.log('App LastPageBackPress') if (firstBackTime == 0) { uni.showToast({ title: '再按一次退出应用', position: 'bottom', }) firstBackTime = Date.now() setTimeout(() => { firstBackTime = 0 }, 2000) } else if (Date.now() - firstBackTime < 2000) { firstBackTime = Date.now() uni.exit() } }, // #endif onExit: function () { console.log('App Exit') }, } </script> <style> /*每个页面公共css */ .uni-row { flex-direction: row; } .uni-column { flex-direction: column; } </style>