子组件：

<template> <span :endTime="endTime" :callback="callback" :endText="endText"> <slot> {{content}} </slot> </span> </template> <script> export default { data(){ return { content: '', } }, props:{ endTime:{ type: String, default :'' }, endText:{ type : String, default:'已结束' }, callback : { type : Function, default :'' } }, mounted () { this.countdowm(this.endTime) }, methods: { countdowm(timestamp){ let self = this; let timer = setInterval(function(){ let nowTime = new Date(); let endTime = new Date(timestamp * 1000); 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 ? "0" + hour : hour; min = min < 10 ? "0" + min : min; sec = sec < 10 ? "0" + sec : sec; let format = ''; if(day > 0){ format = `${day}天${hour}小时${min}分${sec}秒`; } if(day <= 0 && hour > 0 ){ format = `${hour}小时${min}分${sec}秒`; } if(day <= 0 && hour <= 0){ format =`${min}分${sec}秒`; } self.content = format; }else{ clearInterval(timer); self.content = self.endText; self._callback(); } },1000); }, _callback(){ if(this.callback && this.callback instanceof Function){ this.callback(...this); } } } } </script>

父组件：

<count-down endTime="1590761620" :callback="callback" endText="已经结束了"></count-down> methods:{callback:function(){}}

总结

以上所述是小编给大家介绍的vue中倒计时组件的实例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！