48小时订单倒计时

ordercancel48.js

const orderCancelTime = 48 * 3600 * 1000;
const timeCountDown = orderCancelTime - (30 * 60 * 1000); // 半小时开始倒计时
const farawayTime = orderCancelTime - (60 * 60 * 1000); // 1小时以上不倒计时，避免定时器性能问题 

export const formatByTimestamp = (timestamp, hasHour) => {
  let second = Math.floor(timestamp / 1000);
  if (second < 1) {
    return '';
  }
  let totalMinutes = Math.floor(second / 60);
  let _second = second % 60;
  let _secondText = '';
  _secondText = _second >= 10 ? _second : `0${_second}`;
  if (!hasHour) {
    if (totalMinutes === 0) {
      return _secondText;
    }
    let minuteText = totalMinutes >= 10 ? totalMinutes : `0${totalMinutes}`;
    return `${minuteText}:${_secondText}`;
  }
  let hours = Math.floor(totalMinutes / 60);
  let minutes = Math.floor(totalMinutes % 60);
  const hoursText = hours >= 10 ? hours : `0${hours}`;
  const minutesText = minutes >= 10 ? minutes : `0${minutes}`;
  if (hours === 0) {
    return `${minutesText}:${_secondText}`;
  }
  return `${hoursText}:${minutesText}:${_secondText}`;
}


/**
 * 判断是否有必要计时
 * @param {*} submitTime
 */
export const isTimeToCount = (submitTime) => {
  try {
    submitTime = submitTime.replace(/-/g, '/');
    let time = new Date(submitTime).getTime();
    let now = new Date().getTime();
    if ((time + farawayTime) - now > 0) {
      return false;
    }
    return true;
  } catch (e) {
    return false;
  }
}

/**
 * 实时获取当前时间字符串
 * @param {*} date
 */
// 订单48小时超时(ms)，最后半小时才倒计时
export const submitTimeCountDown = submitTime => {
  if (!submitTime) return '';
  try {
    submitTime = submitTime.replace(/-/g, '/');
    let time = new Date(submitTime).getTime();
    let now = new Date().getTime();
    if ((time + timeCountDown) - now > 0) {
      return '';
    }
    let count = (time + orderCancelTime) - now;
    // console.log(count)
    return formatByTimestamp(count);
  } catch (e) {

  }
}
// 订单48小时超时(ms)，一开始就倒计时
export const submitTimeCountDownAll = submitTime => {
  if (!submitTime) return '';
  try {
    submitTime = submitTime.replace(/-/g, '/');
    let time = new Date(submitTime).getTime();
    let now = new Date().getTime();
    if ((time + orderCancelTime) - now < 0) {
      // 已经超过48小时
      return '';
    }
    let count = (time + orderCancelTime) - now;
    // console.log(count)
    return formatByTimestamp(count, true);
  } catch (e) {

  }
}