<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<script>
function getTs(time){
var arr = time.split(/[- :]/),
_date = new Date(arr[0], arr[1]-1, arr[2], arr[3], arr[4], arr[5]),
timeStr = Date.parse(_date)
return timeStr
} function handlePublishTimeDesc(post_modified){
// 拿到当前时间戳和发布时的时间戳，然后得出时间戳差
var curTime = new Date();
var postTime = new Date(post_modified); //部分浏览器不兼容此转换建议所以对此进行补充（指定调用自己定义的函数进行生成发布时间的时间戳）
//var timeDiff = curTime.getTime() - postTime.getTime();
//上面一行代码可以换成以下（兼容性的解决）
var timeDiff = curTime.getTime() - getTs(post_modified);
// 单位换算
var min = 60 * 1000;
var hour = min * 60;
var day = hour * 24;
var week = day * 7;
var month = week*4;
var year = month*12;
// 计算发布时间距离当前时间的周、天、时、分
var exceedyear = Math.floor(timeDiff/year);
var exceedmonth = Math.floor(timeDiff/month);
var exceedWeek = Math.floor(timeDiff/week);
var exceedDay = Math.floor(timeDiff/day);
var exceedHour = Math.floor(timeDiff/hour);
var exceedMin = Math.floor(timeDiff/min);
// 最后判断时间差到底是属于哪个区间，然后return
if(exceedyear<100&&exceedyear>0){
return exceedyear + '年前';
}else{
if(exceedmonth<12&&exceedmonth>0){
return exceedmonth + '月前';
}else{
if(exceedWeek<4&&exceedWeek>0){
return exceedWeek + '星期前';
}else{
if(exceedDay < 7 && exceedDay > 0){
return exceedDay + '天前';
}else {
if (exceedHour < 24 && exceedHour > 0) {
return exceedHour + '小时前';
} else {
return exceedMin + '分钟前';
}
}
}
}
}
}
window.onload(alert(handlePublishTimeDesc("2020-6-13 15:33:0.0")));
</script>
<body>
</body>
</html>