废话不多说直接上代码
<script> export default { data() { return { downTimeShow: true, timer: null, downTime: '', nowTime: '',
orderList:[
{addTime:'2023.03.27 13:55'},
{addTime:'2023.03.27 11:16'},
],
} }, //在挂载时启动定时器 mounted() { let that = this; this.timer = setInterval(() => { that.nowTime = new Date().getTime() this.operaDownTime() }, 1000); }, //实例销毁之前清除定时器 beforeDestroy() { if (this.timer) { clearInterval(this.timer); } }, created() { }, methods: { //处理倒计时 operaDownTime() { var ndate = new Date() this.orderList.forEach((item, index) => { // 对列表每一项的addtime转成时间戳并用当前时间戳减去addtime时间戳,得到时间差。 // 若是时间差大于15分钟,则不显示剩余时间,小于15分钟则显示。 item.downTimeShow = false // item的年月日 var dd = new Date(item.addTime) var ddYear = dd.getFullYear() var ddMonth = dd.getMonth() + 1 var ddDay = dd.getDate() // 当前年月日 var td = new Date() var year = td.getFullYear() var month = td.getMonth() + 1 var day = td.getDate() // 当年当月当日 if(year - ddYear === 0 && ddMonth - month === 0 && ddDay-day === 0){ item.downTime = this.nowTime - dd.getTime() var minutes = (item.downTime % (1000 * 60 * 60)) / (1000 * 60) var secondes = (item.downTime % (1000 * 60)) / (1000) // 限制15分钟 var limitMinutes = (900000 % (1000 * 60 * 60)) / (1000 * 60) // 剩余时间 var remainMinutes = limitMinutes - minutes var remainSecondes = 60 - secondes // 向下取整 如果分小于0则表示倒计时已结束 关闭展示倒计时 if (Number(Math.floor(remainMinutes)) < 0) { item.downTimeShow = false } else { item.downTimeShow = true item.downTime = Math.floor(remainMinutes) + ':' + Math.floor(remainSecondes) + '' } } }) } } } </script>
标签:60,Vue,15,dd,倒计时,item,downTime,var,1000 From: https://www.cnblogs.com/linboomboom/p/17261406.html