vue 时间格式转换

index.vue

<template>
  <div>
    <div>{{time | formatDate}}</div>
  </div>
</template>

 
<script>
import { formatDate } from '../common/formatDate';

export default {
  components: {},
  props: {},
  data() {
    return {
      time: 1469281964000,
      times: '2019-04-16T12:24:48+08:00',
      timess: '2021-07-21 09:54',
    }
  },
  filters: {
    formatDate(time) {
      var date = new Date(time)
      // return formatDate(date, 'YYYY-M-d h:m:s')
      return formatDate(date, 'YYYY-MM-dd hh:mm:ss')
    }
  },
  mounted() {},
  methods: {}
}
</script>

 
<style scoped lang="scss">
</style>

formatDate.js

export function formatDate(date, fmt) {
  if (/(Y+)/.test(fmt)) {
    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length));
  }
  let o = {
    'M+': date.getMonth() + 1,
    'd+': date.getDate(),
    'h+': date.getHours(),
    'm+': date.getMinutes(),
    's+': date.getSeconds()
  };
  for (let k in o) {
    if (new RegExp(`(${k})`).test(fmt)) {
      let str = o[k] + '';
      fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? str : padLeftZero(str));
    }
  }
  return fmt;
};

function padLeftZero(str) {
  return ('00' + str).substr(str.length);
}