倒计时

showTime = () => {
  let end = new Date("2022-12-14 00:00:00").getTime();
  let now = new Date().getTime();
  let data = end - now;
  let day = (parseInt(data / 1000 / 60 / 60 / 24) + "").padStart(2, 0);
  let h = (parseInt((data / 1000 / 60 / 60) % 24) + "").padStart(2, 0);
  let m = (parseInt((data / 1000 / 60) % 60) + "").padStart(2, 0);
  let s = ((parseInt(data / 1000) % 60) + "").padStart(2, 0);
  return `${day}天${h}时${m}分${s}秒`
};



this.showTime();
setInterval(() => {
  this.showTime();
}, 1000);