mobile_h5/custom/App.uvue

<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 {
		display: flex;
		flex-direction: row;
		align-items: center;
	}
	
	.uni-column {
		display: flex;
		flex-direction: column;
		align-items: center;
	}
	
	.uni-jct {
		justify-content: flex-start;
	}
	
	.uni-jcc {
		justify-content: center;
	}
	
	.uni-jce {
		justify-content: flex-end;
	}
	
	.uni-jcsa {
		justify-content: space-around;
	}
	
	.uni-jcsb {
		justify-content: space-between;
	}
	
	.uni-jcse {
		justify-content: space-evenly;
	}
	
	.uni-ais {
		align-items: flex-start;
	}
	
	.uni-aie {
		align-items: flex-end;
	}
	
	.uni-aibl {
		align-items: baseline;
	}
	
	.uni-hidden {
		visibility: hidden;
	}
	
	.uni-nowrap {
		white-space: nowrap;
	}
	
	.uni-ovf-hidden {
		overflow: hidden;
	}
	
	.uni-ovf-ellipsis {
		text-overflow: ellipsis;
	}
	
</style>