js实现时间显示几天前、几小时前或者几分钟前的方法集锦

<#macro timeline_dt datetime=.now> <#assign ct = (.now?long-datetime?long)/1000> <#if ct gte 31104000><#--n年前-->${(ct/31104000)?int}年前   <#t><#elseif ct gte 2592000><#--n月前-->${(ct/2592000)?int}个月前   <#t><#elseif ct gte 86400*2><#--n天前-->${(ct/86400)?int}天前   <#t><#elseif ct gte 86400><#--1天前-->昨天   <#t><#elseif ct gte 3600><#--n小时前-->${(ct/3600)?int}小时前   <#t><#elseif ct gte 60><#--n分钟前-->${(ct/60)?int}分钟前   <#t><#elseif ct gt 0><#--n秒前-->${ct?int}秒前   <#t><#else>刚刚 </#if> </#macro> 

public static void main(String[] args) {     PrettyTime p = new PrettyTime();     System.out.println(p.format(DateUtils.addDays(new Date(), 2)));} 

private final static long minute = 60 * 1000;// 1分钟 private final static long hour = 60 * minute;// 1小时 private final static long day = 24 * hour;// 1天 private final static long month = 31 * day;// 月 private final static long year = 12 * month;// 年 /** * 返回文字描述的日期 * * @param date * @return */ public static String getTimeFormatText(Date date) {     if (date == null) {       return null;     }     long diff = new Date().getTime() - date.getTime();     long r = 0;     if (diff > year) {       r = (diff / year);       return r + "年前";     }     if (diff > month) {       r = (diff / month);       return r + "个月前";     }     if (diff > day) {       r = (diff / day);       return r + "天前";     }     if (diff > hour) {       r = (diff / hour);       return r + "个小时前";     }     if (diff > minute) {       r = (diff / minute);       return r + "分钟前";     }     return "刚刚"; }

// Smart Time Ago v0.1.0 // Copyright 2012, Terry Tai, Pragmatic.ly // https://pragmatic.ly/ // Licensed under the MIT license. // https://github.com/pragmaticly/smart-time-ago/blob/master/LICENSE (function() {  var TimeAgo;  TimeAgo = (function() {   function TimeAgo(element, options) {    this.startInterval = 60000;    this.init(element, options);   }   TimeAgo.prototype.init = function(element, options) {    this.$element = $(element);    this.options = $.extend({}, $.fn.timeago.defaults, options);    this.updateTime();    return this.startTimer();   };   TimeAgo.prototype.startTimer = function() {    var self;    self = this;    return this.interval = setInterval((function() {     return self.refresh();    }), this.startInterval);   };   TimeAgo.prototype.stopTimer = function() {    return clearInterval(this.interval);   };   TimeAgo.prototype.restartTimer = function() {    this.stopTimer();    return this.startTimer();   };   TimeAgo.prototype.refresh = function() {    this.updateTime();    return this.updateInterval();   };   TimeAgo.prototype.updateTime = function() {    var self;    self = this;    return this.$element.findAndSelf(this.options.selector).each(function() {    var timeAgoInWords;     timeAgoInWords = self.timeAgoInWords($(this).attr(self.options.attr));     return $(this).html(timeAgoInWords);    });   };   TimeAgo.prototype.updateInterval = function() {    var filter, newestTime, newestTimeInMinutes, newestTimeSrc;    if (this.$element.findAndSelf(this.options.selector).length > 0) {    if (this.options.dir === "up") {      filter = ":first";     } else if (this.options.dir === "down") {      filter = ":last";     }     newestTimeSrc = this.$element.findAndSelf(this.options.selector).filter(filter).attr(this.options.attr);     newestTime = this.parse(newestTimeSrc);     newestTimeInMinutes = this.getTimeDistanceInMinutes(newestTime);    if (newestTimeInMinutes >= 0 && newestTimeInMinutes <= 44 && this.startInterval !== 60000) {      this.startInterval = 60000;      return this.restartTimer();     } else if (newestTimeInMinutes >= 45 && newestTimeInMinutes <= 89 && this.startInterval !== 60000 * 22) {      this.startInterval = 60000 * 22;      return this.restartTimer();     } else if (newestTimeInMinutes >= 90 && newestTimeInMinutes <= 2519 && this.startInterval !== 60000 * 30) {      this.startInterval = 60000 * 30;      return this.restartTimer();     } else if (newestTimeInMinutes >= 2520 && this.startInterval !== 60000 * 60 * 12) {      this.startInterval = 60000 * 60 * 12;      return this.restartTimer();     }    }   };   TimeAgo.prototype.timeAgoInWords = function(timeString) {    var absolutTime;    absolutTime = this.parse(timeString);    return this.distanceOfTimeInWords(absolutTime) + (this.options.lang.suffix);   };   TimeAgo.prototype.parse = function(iso8601) {    var timeStr;    timeStr = $.trim(iso8601);    timeStr = timeStr.replace(//./d/d/d+/, "");    timeStr = timeStr.replace(/-/, "/").replace(/-/, "/");    timeStr = timeStr.replace(/T/, " ").replace(/Z/, " UTC");    timeStr = timeStr.replace(/([/+/-]/d/d)/:?(/d/d)/, " $1$2");    return new Date(timeStr);   };   TimeAgo.prototype.getTimeDistanceInMinutes = function(absolutTime) {   var timeDistance;    timeDistance = new Date().getTime() - absolutTime.getTime();    return Math.round((Math.abs(timeDistance) / 1000) / 60);   };   TimeAgo.prototype.distanceOfTimeInWords = function(absolutTime) {    var dim;    dim = this.getTimeDistanceInMinutes(absolutTime);    if (dim === 0) {     return "" + this.options.lang.prefixes.lt + " " + this.options.lang.units.minute;    } else if (dim === 1) {     return "1 " + this.options.lang.units.minute;    } else if (dim >= 2 && dim <= 44) {     return "" + dim + " " + this.options.lang.units.minutes;    } else if (dim >= 45 && dim <= 89) {     return "" + this.options.lang.prefixes.about + " 1 " + this.options.lang.units.hour;    } else if (dim >= 90 && dim <= 1439) {     return "" + this.options.lang.prefixes.about + " " + (Math.round(dim / 60)) + " " + this.options.lang.units.hours;    } else if (dim >= 1440 && dim <= 2519) {     return "1 " + this.options.lang.units.day;    } else if (dim >= 2520 && dim <= 43199) {     return "" + (Math.round(dim / 1440)) + " " + this.options.lang.units.days;    } else if (dim >= 43200 && dim <= 86399) {     return "" + this.options.lang.prefixes.about + " 1 " + this.options.lang.units.month;    } else if (dim >= 86400 && dim <= 525599) {     return "" + (Math.round(dim / 43200)) + " " + this.options.lang.units.months;    } else if (dim >= 525600 && dim <= 655199) {     return "" + this.options.lang.prefixes.about + " 1 " + this.options.lang.units.year;    } else if (dim >= 655200 && dim <= 914399) {     return "" + this.options.lang.prefixes.over + " 1 " + this.options.lang.units.year;    } else if (dim >= 914400 && dim <= 1051199) {     return "" + this.options.lang.prefixes.almost + " 2 " + this.options.lang.units.years;    } else {     return "" + this.options.lang.prefixes.about + " " + (Math.round(dim / 525600)) + " " + this.options.lang.units.years;    }   };   return TimeAgo;  })();  $.fn.timeago = function(options) {   if (options == null) options = {};   return this.each(function() {    var $this, data;    $this = $(this);    data = $this.data("timeago");    if (!data) $this.data("timeago", new TimeAgo(this, options));    if (typeof options === 'string') return data[options]();   });  };  $.fn.findAndSelf = function(selector) {   return this.find(selector).add(this.filter(selector));  };  $.fn.timeago.Constructor = TimeAgo;  $.fn.timeago.defaults = {   selector: 'time.timeago',   attr: 'datetime',   dir: 'up',   lang: {    units: {     second: "second",     seconds: "seconds",     minute: "minute",     minutes: "minutes",     hour: "hour",     hours: "hours",     day: "day",     days: "days",     month: "month",     months: "months",     year: "year",     years: "years"    },    prefixes: {     lt: "less than a",     about: "about",     over: "over",     almost: "almost"    },    suffix: ' ago'   }  }; }).call(this);

(function (factory) {  if (typeof define === 'function' && define.amd) {   // AMD. Register as an anonymous module.   define(['jquery'], factory);  } else {   // Browser globals   factory(jQuery);  } }(function ($) {  $.timeago = function(timestamp) {   if (timestamp instanceof Date) {    return inWords(timestamp);   } else if (typeof timestamp === "string") {    return inWords($.timeago.parse(timestamp));   } else if (typeof timestamp === "number") {    return inWords(new Date(timestamp));   } else {    return inWords($.timeago.datetime(timestamp));   }  };  var $t = $.timeago;  $.extend($.timeago, {   settings: {    refreshMillis: 60000,    allowFuture: false,    localeTitle: false,    cutoff: 0,    strings: {     prefixAgo: null,     prefixFromNow: null,     suffixAgo: "前",     suffixFromNow: "from now",     seconds: "1分钟",     minute: "1分钟",     minutes: "%d分钟",     hour: "1小时",     hours: "%d小时",     day: "1天",     days: "%d天",     month: "1月",     months: "%d月",     year: "1年",     years: "%d年",     wordSeparator: "",     numbers: []    }   },   inWords: function(distanceMillis) {    var $l = this.settings.strings;    var prefix = $l.prefixAgo;    var suffix = $l.suffixAgo;    if (this.settings.allowFuture) {     if (distanceMillis < 0) {      prefix = $l.prefixFromNow;      suffix = $l.suffixFromNow;     }    }    var seconds = Math.abs(distanceMillis) / 1000;    var minutes = seconds / 60;    var hours = minutes / 60;    var days = hours / 24;    var years = days / 365;    function substitute(stringOrFunction, number) {     var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;     var value = ($l.numbers && $l.numbers[number]) || number;     return string.replace(/%d/i, value);    }    var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||     seconds < 90 && substitute($l.minute, 1) ||     minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||     minutes < 90 && substitute($l.hour, 1) ||     hours < 24 && substitute($l.hours, Math.round(hours)) ||     hours < 42 && substitute($l.day, 1) ||     days < 30 && substitute($l.days, Math.round(days)) ||     days < 45 && substitute($l.month, 1) ||     days < 365 && substitute($l.months, Math.round(days / 30)) ||     years < 1.5 && substitute($l.year, 1) ||     substitute($l.years, Math.round(years));    var separator = $l.wordSeparator || "";    if ($l.wordSeparator === undefined) { separator = " "; }    return $.trim([prefix, words, suffix].join(separator));   },   parse: function(iso8601) {    var s = $.trim(iso8601);    s = s.replace(//./d+/,""); // remove milliseconds    s = s.replace(/-/,"/").replace(/-/,"/");    s = s.replace(/T/," ").replace(/Z/," UTC");    s = s.replace(/([/+/-]/d/d)/:?(/d/d)/," $1$2"); // -04:00 -> -0400   return new Date(s);   },   datetime: function(elem) {    var iso8601 = $t.isTime(elem) ? $(elem).attr("datetime") : $(elem).attr("title");    return $t.parse(iso8601);   },   isTime: function(elem) {    // jQuery's `is()` doesn't play well with HTML5 in IE    return $(elem).get(0).tagName.toLowerCase() === "time"; // $(elem).is("time");   }  });  // functions that can be called via $(el).timeago('action')  // init is default when no action is given  // functions are called with context of a single element  var functions = {   init: function(){    var refresh_el = $.proxy(refresh, this);    refresh_el();    var $s = $t.settings;    if ($s.refreshMillis > 0) {     setInterval(refresh_el, $s.refreshMillis);    }   },   update: function(time){    $(this).data('timeago', { datetime: $t.parse(time) });    refresh.apply(this);   },   updateFromDOM: function(){    $(this).data('timeago', { datetime: $t.parse( $t.isTime(this) ? $(this).attr("datetime") : $(this).attr("title") ) });    refresh.apply(this);   }  };  $.fn.timeago = function(action, options) {   var fn = action ? functions[action] : functions.init;   if(!fn){    throw new Error("Unknown function name '"+ action +"' for timeago");   }   // each over objects here and call the requested function   this.each(function(){    fn.call(this, options);   });   return this;  };  function refresh() {   var data = prepareData(this);   var $s = $t.settings;   if (!isNaN(data.datetime)) {    if ( $s.cutoff == 0 || distance(data.datetime) < $s.cutoff) {     $(this).text(inWords(data.datetime));    }   }   return this;  }  function prepareData(element) {   element = $(element);   if (!element.data("timeago")) {    element.data("timeago", { datetime: $t.datetime(element) });    var text = $.trim(element.text());    if ($t.settings.localeTitle) {     element.attr("title", element.data('timeago').datetime.toLocaleString());    } else if (text.length > 0 && !($t.isTime(element) && element.attr("title"))) {     element.attr("title", text);    }   }   return element.data("timeago");  }  function inWords(date) {   return $t.inWords(distance(date));  }  function distance(date) {   return (new Date().getTime() - date.getTime());  }  // fix for IE6 suckage  document.createElement("abbr");  document.createElement("time"); }));