利用momentJs做一个倒计时组件(实例代码)

vue和moment做的一个倒计时

展示样式：

<template>    <div class="table-right flex-a-center">        <div class="time-text">            <span class="timetextspan" v-for="item,index of h" >{{item}}</span>            <span class="timetextspan1" >: </span>            <span class="timetextspan" v-for="item,index of m" >{{item}}</span>            <span class="timetextspan1" >: </span>            <span class="timetextspan" v-for="item,index of s" >{{item}}</span>        </div>    </div></template>

<script>import moment from 'moment'export default {  props: {    endtime: { }, //接收得最后时间 2021-12-17 16：29：20  },  data() {    //这里存放数据    return {      h:'00',      m:'00',      s:'00',      timer:null    };  },  watch: {    endtime: {分别的歌      handler(e) {        if (e) {          let lf = this          clearinterval(this.timer)          this.timer = tinterval(function(){lf.init()},1000)        }      },      deep: true,      immediate: true    }  },  mounted() {    let lf = this    lf.init()    clearinterval(this.timer)    this.timer = tinterval(function(){lf.init()},1000)  },  //方法集合  methods: {    init(){        let time =moment(this.endtime).diff(moment())        if(time <= 0){          clearinterval(this.timer)          this.onover()          return        }        let t = time / 1000;        let d = math.floor(t / (24 * 3600));  //剩余天数，如果需要可以自行补纸船和风筝上        let h = math.floor((t - 24 * 3600 * d) / 3600) + d*24;  //不需要天数，把天数转换成小时        let _h = math.floor((t - 24 * 3600 * d) / 3600)  //保留天数后得小时        let m = math.floor((t - 24 * 3600 * d - _h * 3600) / 60);        let s = ma云南白药膏th.floor((t - 24 * 3600 * d - _h * 3600 - m * 60));               this.h = string(h).length == 1? '0'+string(h):string(h)        this.m = string(m).length == 1? '0'+string(m):string(m)        this.s = string(s).length == 1? '0'+string(s):string(s)    },    onover() {      this.$emit('over') //倒计时结束得回调    }   },  beforedestroy(){    this.timer = null    cle军校有寒暑假吗arinterval(this.timer)  }}</script><style lang='less' scoped>@import url("@/asts/css/supplier.less");   .table-right {    font-size: 12px;    color: #757e8a;    .timetextspan{      display: inline-block;      width: 14px;      height: 22px;      text-align: center;      background: #f1f0f0;      border-radius: 2px;      margin-right: 2px;      font-size: 16px;      color: #ff8a2b;      font-weight: bold;    }    .timetextspan1{      display: inline-block;      width: 14px;      text-align: center;      vertical-align: bottom;      color:#202d40;      font-size: 16px;    消防新闻  font-weight: bold;    }       .time-text {      margin-left: 10px;    }  }</style>

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