data () {
 return {
  list: [ // 准备渲染的数据
   {
    remainTime: 900000, // 距离结束还有多久
    remainTimeStr: '' // 展示文案
   },
   {
    remainTime: 400000,
    remainTimeStr: ''
   },
   {
    remainTime: 60500,
    remainTimeStr: ''
   },
  ]
 }
}

countdowm (timestamp) {
 let self = this
 let timer = setInterval(function () {
  let nowTime = new Date()
  let endTime = new Date(timestamp)
  let t = endTime.getTime() - nowTime.getTime()
  if (t > 0) {
   let day = Math.floor(t / 86400000)
   let hour = Math.floor((t / 3600000) % 24)
   let min = Math.floor((t / 60000) % 60)
   let sec = Math.floor((t / 1000) % 60)
   hour = hour < 10 "htmlcode">

countdowm (timestamp) {
 let self = this
 let timer = setInterval(function () {
  let t = timestamp
  if (t > 0) {
   let day = Math.floor(t / 86400000)
   let hour = Math.floor((t / 3600000) % 24)
   let min = Math.floor((t / 60000) % 60)
   let sec = Math.floor((t / 1000) % 60)
   day = day < 10 "htmlcode">

countdown () {
 let self = this
 let timer = setInterval(function () {
  for (let i = 0; i < self.list.length; i++) {
   self.list[i].remainTime -= 1000
   let t = self.list[i].remainTime
   if (t > 0) {
    let day = Math.floor(t / 86400000)
    let hour = Math.floor((t / 3600000) % 24)
    let min = Math.floor((t / 60000) % 60)
    let sec = Math.floor((t / 1000) % 60)
    day = day < 10 "htmlcode">

destroyed () {
 this.list.forEach((val) => {
  val.remainTime = 0
 })
}




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