微信小程序之拼團倒計時

// 計算時間
  getTime() {
    // this.data.times爲結束時間
    let timestamp = Date.parse(new Date());
    let disparity = this.data.times - timestamp;
    if (disparity > 0) {
      let d = Math.floor(disparity / (1000 * 60 * 60 * 24));  //計算天數
      let h = this.addZero(Math.floor(disparity / (1000 * 60 * 60) % 24));  //計算小時數
      let m = this.addZero(Math.floor(disparity / (1000 * 60) % 60));  //計算分鐘數
      let s = this.addZero(Math.floor(disparity / 1000 % 60));  //計算秒數
      this.setData({
        expireTimeDay: d,
        expireTimeHour: h,
        expireTimeM: m,
        expireTimeS: s,
      })
    }
  },
  addZero(num) {
    if (parseInt(num) < 10) {
      num = '0' + num;
    }
    return num;
  },