倒计时

// 倒计时
    countdown() {
      var reg = /^\d{2}$/
      var ending = new Date(this.days)
      var now = new Date()
      if (now >= ending) {
        clearTimeout(this.timeout)
        return
      }
      var disc = ending - now
      this.hour = parseInt(disc / 1000 / 60 / 60 % 24)
      this.hour = !reg.test(this.hour) ? '0' + this.hour : this.hour
      this.minutes = parseInt(disc / 1000 / 60 % 60)
      this.minutes = !reg.test(this.minutes) ? '0' + this.minutes : this.minutes
      this.seconds = parseInt(disc / 1000 % 60)
      this.seconds = !reg.test(this.seconds) ? '0' + this.seconds : this.seconds
      this.timeout = setTimeout(this.countdown, 1000)
      return this.minutes
    },
    // 当前时间往后固定时间
    getTime(day) {
      var today = new Date()
      var endMouth = today.getMonth() + 1
      if (endMouth < 10) {
        endMouth = '0' + endMouth
      }
      var beforMilliseconds = today.getTime() + 1000 * 3600 * 24 * day
      var beforday = new Date()
      beforday.setTime(beforMilliseconds)
      var strYear = beforday.getFullYear()
      var strDay = beforday.getDate()
      var strMonth = beforday.getMonth() + 1
      let hour = beforday.getHours()
      let minute = beforday.getMinutes()
      let second = beforday.getSeconds()
      if (strMonth < 10) {
        strMonth = '0' + strMonth
      }
      return strYear + '/' + strMonth + '/' + strDay + ' ' + hour + ':' + minute + ':' + second
    },

created() {
    this.days = this.getTime(0.03125)
  },