js时间戳转换几分前几小时前几天前几周前

Posted 2022-01-14 奥特曼　

 function caculateTimeago(dateTimeStamp) 
  const minute = 1000 * 60; // 把分，时，天，周，半个月，一个月用毫秒表示

  const hour = minute * 60;
  const day = hour * 24;
  const week = day * 7;
  const now = new Date().getTime(); // 获取当前时间毫秒

  const diffValue = now - dateTimeStamp; // 时间差

  let result = '';

  if (diffValue < 0) 
    return;
  

  const minC = diffValue / minute; // 计算时间差的分，时，天，周，月

  const hourC = diffValue / hour;
  const dayC = diffValue / day;
  const weekC = diffValue / week;

  if (weekC >= 1 && weekC <= 4) 
    result = ` $parseInt(weekC, 10)周前`;
   else if (dayC >= 1 && dayC <= 6) 
    result = ` $parseInt(dayC, 10)天前`;
   else if (hourC >= 1 && hourC <= 23) 
    result = ` $parseInt(hourC, 10)小时前`;
   else if (minC >= 1 && minC <= 59) 
    result = ` $parseInt(minC, 10)分钟前`;
   else if (diffValue >= 0 && diffValue <= minute) 
    result = '刚刚';
   else 
    const datetime = new Date();
    datetime.setTime(dateTimeStamp);
    const Nyear = datetime.getFullYear();
    const Nmonth = datetime.getMonth() + 1 < 10 ? `0$datetime.getMonth() + 1` : datetime.getMonth() + 1;
    const Ndate = datetime.getDate() < 10 ? `0$datetime.getDate()` : datetime.getDate();
    result = `$Nyear-$Nmonth-$Ndate`;
  

  return result;