时间计算，返回刚刚，xxx分钟前，xxx小时前，xxx天前等
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Este script não deve ser instalado diretamente. É uma biblioteca destinada a ser incluída por outros scripts através da diretiva de metadados // @require https://update.greasyfork.org/scripts/412357/853742/DateDiff.js
// ==UserScript==
// @name DateDiff
// @namespace http://bbs.91wc.net/
// @version 0.1.0
// @description 时间计算，返回刚刚，xxx分钟前，xxx小时前，xxx天前等
// @author wishking
// ==/UserScript==
;(function(window){
/**
* [dateDiff 算时间差]
* @param {[type=Number]} hisTime [历史时间戳，必传]
* @param {[type=Number]} nowTime [当前时间戳，不传将获取当前时间戳]
* @return {[string]} [string]
*/
var dateDiff = function(hisTime,nowTime){
var now =nowTime?nowTime:new Date().getTime(),
diffValue = now - hisTime,
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;
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;
}
window.dateDiff = dateDiff
})(window);