zh-cashier-app/pages/mod/countdown.vue

<template>
	<view class="time-box" @click="out()">
		交易取消{{s}}{{!s?'':'s'}}
	</view>
</template>

<script>
	export default {
		data(){
			return{
				s:'',
				timeServer:'',
			}
		},
		mounted() {
			
		},
		methods:{
			out(){
				clearInterval(this.timeServer);
				uni.reLaunch({
					url:'/pages/index/index'
				})
			},
			timeFun(){
				this.s = 180
				this.timeServer = setInterval(() => {
					--this.s;
					if (this.s <= 0) {
						clearInterval(this.timeServer);
						uni.reLaunch({
							url:'/pages/index/index'
						})
					}
				}, 1000);
			},
		},
	}
</script>

<style scoped lang="scss">
	.time-box{
		width: 223rpx;
		height: 57rpx;
		line-height: 57rpx;
		text-align: center;
		border-radius: 104rpx;
		border: 2rpx solid #CCCCCC;
		font-size: 28rpx;
		color: #666;
	}
</style>