52 lines
1.1 KiB
Vue
52 lines
1.1 KiB
Vue
<template>
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<view>
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{{cdTime}}
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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cdTime:""
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}
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},
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onLoad() {
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let downTime = 5 //倒计时5分钟
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let t = (new Date()).getTime() //当前时间戳
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let dt = t + (downTime * 60) * 1000 //加了5分钟后的时间戳
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let timer = setInterval(() => {
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this.cdTime = countDown(dt); //cdtime为显示在页面的时间
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if (countDown(dt) == 0) {
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clearInterval(timer)
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}
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}, 1000)
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},
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methods: {
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countDown(dt) {
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let nowTime = (new Date()).getTime(); //实时时间戳
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let times = (dt - nowTime) / 1000; //加分钟后的时间戳-实时时间戳
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let minuter
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let second
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if (times >= 0) {
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minuter = Math.floor(times / 60 % 60); //计算分钟
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second = Math.floor(times % 60); //计算秒钟
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if (minuter == 0 && second == 0) {
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return 0
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}
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if (second.toString().split('').length < 2) { //秒补0
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second = "0" + second
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}
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} else {
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return 0
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}
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return "0" + minuter + ":" + second; //分补0并返回
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}
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}
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}
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</script>
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<style>
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</style>
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