js计算日期时间距离现在多久

js计算日期时间距离现在多久

//距离现在时间多久
function dateDiff(hisTime, nowTime) {
    if (!arguments.length) return '';

    var arg = arguments,
        now = arg[1] ? arg[1] : new Date().getTime(),
        diffValue = now - new Date(arg[0].replace(/-/g, '/')).getTime(),
        result = "",
        minute = 1000 * 60,
        hour = minute * 60,
        day = hour * 24,
        halfamonth = day * 15,
        month = day * 30,
        year = month * 12,

        _year = diffValue / year,
        _month = diffValue / month,
        _week = diffValue / (7 * day),
        _day = diffValue / day,
        _hour = diffValue / hour,
        _min = diffValue / minute;
    console.log(arg[0]);
    console.log(now, new Date(arg[0].replace(/-/g, '/')).getTime());
    console.log(diffValue);
    // if (new Date().toDateString() == convertDateFromString(hisTime).toDateString()) {
    //     result.isToday = true;
    // }
    if (_year >= 1) result = parseInt(_year) + "年前";
    else if (_month >= 1) result = parseInt(_month) + "个月前";
    else if (_week >= 1) result = parseInt(_week) + "周前";
    else if (_day >= 1) result = parseInt(_day) + "天前";
    else if (_hour >= 1) result = parseInt(_hour) + "个小时前";
    else if (_min >= 1) result = parseInt(_min) + "分钟前";
    else result = "刚刚";
    return result;
}

调用

dateDiff(“2021-10-18 10:57”,null)