js 评论时间换算

//时间戳换算

let dateTime=2020-10-10 10:10:10

getDateDiff(dateTime){

let dateTimeStamp = new Date(dateTime).getTime();

// console.log(dateTimeStamp)

let result = '';

let minute = 1000 * 60;

let hour = minute * 60;

let day = hour * 24;

let halfamonth = day * 15;

let month = day * 30;

let year = day * 365;

let now = new Date().getTime();

// console.log(now)

let diffValue = now - dateTimeStamp;

// console.log(diffValue)

if (diffValue < 0) {

return;

}

let monthEnd = diffValue / month;

let weekEnd = diffValue / (7 * day);

let dayEnd = diffValue / day;

let hourEnd = diffValue / hour;

let minEnd = diffValue / minute;

let yearEnd = diffValue / year;

if (yearEnd >= 1) {

result = dateTime;

// result = "" + parseInt(yearEnd) + "年前";

} else if (monthEnd >= 1) {

result = "" + parseInt(monthEnd) + "月前";

} else if (weekEnd >= 1) {

result = "" + parseInt(weekEnd) + "周前";

} else if (dayEnd >= 1) {

result = "" + parseInt(dayEnd) + "天前";

} else if (hourEnd >= 1) {

result = "" + parseInt(hourEnd) + "小时前";

} else if (minEnd >= 1) {

result = "" + parseInt(minEnd) + "分钟前";

} else {

result = "刚刚";

}

return result;

},