新建外部js

function getYMDHMS(timestamp) {
  let time = new Date(timestamp)
  let year = time.getFullYear()
  let month = time.getMonth() + 1
  let date = time.getDate()
  let hours = time.getHours()
  let minute = time.getMinutes()
  let second = time.getSeconds()
  if (month < 10) {
    month = '0' + month
  }
  if (date < 10) {
    date = '0' + date
  }
  if (hours < 10) {
    hours = '0' + hours
  }
  if (minute < 10) {
    minute = '0' + minute
  }
  if (second < 10) {
    second = '0' + second
  }
  return year + '-' + month + '-' + date + ' ' + hours + ':' + minute + ':' + second
}
export default getYMDHMS

全局注册main.js

app.config.globalProperties.$filters = {
  formatTime(time) {
    if (!time) return time
    return formatT(time)
  }
}

vue页面使用

<van-cell title="提交时间：" :value="$filters.formatTime(data.djDate)" />