vue实现指定日期之间的倒计时

 
 
{{dayNum}}
天
{{hourNum}}
时
{{minuteNum}}
分
{{secondNum}}
秒

 import moment from 'moment'; export default { name: 'TimeRangPage', props: { startTime: String, endTime: String }, data () { return { days: 0, hours: 0, minutes: 0, seconds: 0, timeSetInterval: null, showTimeDown: false, showOver: false }; }, created () { if (moment(new Date()).isBefore(this.startTime)) { this.showTimeDown = true; this.timeDown(); } if (moment(new Date()).isAfter(this.endTime)) this.showOver = true; }, methods: { timeDown () { this.timeSetInterval = setInterval(() => { if (moment(this.startTime).isBefore(moment())) { this.showTimeDown = false; clearInterval(this.timeSetInterval); location.reload(); } let dur = moment.duration(moment(this.startTime) - moment(), 'ms'); this.days = dur.get('days'); this.hours = dur.get('hours'); this.minutes = dur.get('minutes'); this.seconds = dur.get('seconds'); }, 1000); } }, computed: { dayNum () { if (this.days <10) return '0' + this.days; return this.days; }, hourNum () { if (this.hours <10) return '0' + this.hours; return this.hours; }, minuteNum () { if (this.minutes <10) return '0' + this.minutes; return this.minutes; }, secondNum () { if (this.seconds <10) return '0' + this.seconds; return this.seconds; } } };