方法一：
// 對Date的擴展，將 Date 轉化為指定格式的String// 月(M)、日(d)、小時(h)、分(m)、秒(s)、季度(q) 可以用 1-2 個占位符， // 年(y)可以用 1-4 個占位符，毫秒(S)只能用 1 個占位符(是 1-3 位的數字) // 例子： // (new Date()).Format("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423 // (new Date()).Format("yyyy-M-d h:m:s.S") ==> 2006-7-2 8:9:4.18 Date.prototype.Format = function (fmt) { //author: meizz var o = { "M+": this.getMonth() + 1, //月份 "d+": this.getDate(), //日 "h+": this.getHours(), //小時 "m+": this.getMinutes(), //分 "s+": this.getSeconds(), //秒 "q+": Math.floor((this.getMonth() + 3) / 3), //季度 "S": this.getMilliseconds() //毫秒 }; if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length)); for (var k in o) if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length))); return fmt;}調用方式：
var time1 = new Date().Format("yyyy-MM-dd");
var time2 = new Date().Format("yyyy-MM-dd HH:mm:ss");
方法二：
<script language="javascript" type="text/javascript"> <!-- /** * 對Date的擴展，將 Date 轉化為指定格式的String * 月(M)、日(d)、12小時(h)、24小時(H)、分(m)、秒(s)、周(E)、季度(q) 可以用 1-2 個占位符 * 年(y)可以用 1-4 個占位符，毫秒(S)只能用 1 個占位符(是 1-3 位的數字) * eg: * (new Date()).pattern("yyyy-MM-dd hh:mm:ss.S")==> 2006-07-02 08:09:04.423 * (new Date()).pattern("yyyy-MM-dd E HH:mm:ss") ==> 2009-03-10 二 20:09:04 * (new Date()).pattern("yyyy-MM-dd EE hh:mm:ss") ==> 2009-03-10 周二 08:09:04 * (new Date()).pattern("yyyy-MM-dd EEE hh:mm:ss") ==> 2009-03-10 星期二 08:09:04 * (new Date()).pattern("yyyy-M-d h:m:s.S") ==> 2006-7-2 8:9:4.18 */ Date.prototype.pattern=function(fmt) { var o = { "M+" : this.getMonth()+1, //月份 "d+" : this.getDate(), //日 "h+" : this.getHours()%12 == 0 ? 12 : this.getHours()%12, //小時 "H+" : this.getHours(), //小時 "m+" : this.getMinutes(), //分 "s+" : this.getSeconds(), //秒 "q+" : Math.floor((this.getMonth()+3)/3), //季度 "S" : this.getMilliseconds() //毫秒 }; var week = { "0" : "/u65e5", "1" : "/u4e00", "2" : "/u4e8c", "3" : "/u4e09", "4" : "/u56db", "5" : "/u4e94", "6" : "/u516d" }; if(/(y+)/.test(fmt)){ fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length)); } if(/(E+)/.test(fmt)){ fmt=fmt.replace(RegExp.$1, ((RegExp.$1.length>1) ? (RegExp.$1.length>2 ? "/u661f/u671f" : "/u5468") : "")+week[this.getDay()+""]); } for(var k in o){ if(new RegExp("("+ k +")").test(fmt)){ fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length))); } } return fmt; } var date = new Date(); window.alert(date.pattern("yyyy-MM-dd hh:mm:ss"));// --></script>方法三：
Date.prototype.format = function (mask) { var d = this; var zeroize = function (value, length) { if (!length) length = 2; value = String(value); for (var i = 0, zeros = ''; i < (length - value.length); i++) { zeros += '0'; } return zeros + value; }; return mask.replace(/"[^"]*"|'[^']*'|/b ( ? : d { 1, 4 } | m { 1, 4 } | yy( ? : yy) ? | ([hHMstT]) / 1 ? | [lLZ]) / b / g, function ($0) { switch ($0) { case 'd': return d.getDate(); case 'dd': return zeroize(d.getDate()); case 'ddd': return ['Sun', 'Mon', 'Tue', 'Wed', 'Thr', 'Fri', 'Sat'][d.getDay()]; case 'dddd': return ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'][d.getDay()]; case 'M': return d.getMonth() + 1; case 'MM': return zeroize(d.getMonth() + 1); case 'MMM': return ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'][d.getMonth()]; case 'MMMM': return ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'][d.getMonth()]; case 'yy': return String(d.getFullYear()).substr(2); case 'yyyy': return d.getFullYear(); case 'h': return d.getHours() % 12 || 12; case 'hh': return zeroize(d.getHours() % 12 || 12); case 'H': return d.getHours(); case 'HH': return zeroize(d.getHours()); case 'm': return d.getMinutes(); case 'mm': return zeroize(d.getMinutes()); case 's': return d.getSeconds(); case 'ss': return zeroize(d.getSeconds()); case 'l': return zeroize(d.getMilliseconds(), 3); case 'L': var m = d.getMilliseconds(); if (m > 99) m = Math.round(m / 10); return zeroize(m); case 'tt': return d.getHours() < 12 ? 'am' : 'pm'; case 'TT': return d.getHours() < 12 ? 'AM' : 'PM'; case 'Z': return d.toUTCString().match(/[A-Z]+$/); // Return quoted strings with the surrounding quotes removed default: return $0.substr(1, $0.length - 2); } });};方法四：
<script type="text/javascript">var date = new Date();document.writeln(date);//Thu Jan 08 2015 01:25:53 GMT+0800 (中國標準時間)document.writeln(Date.parse());//NaNdocument.writeln(Date.parse('6/10/2014'));//1402329600000 毫秒數document.writeln(Date.parse('Thu Jan 08 2015 01:25:53'));//1420651553000 毫秒數document.writeln(Date.UTC());//NaN//日期格式化方法document.writeln('<br/>');document.writeln(date.toDateString());//Thu Jan 08 2015document.writeln('<br/>')document.writeln(date.toTimeString());//01:39:08 GMT+0800 (中國標準時間)document.writeln('<br/>')document.writeln(date.toLocaleDateString());//2015年1月8日document.writeln('<br/>')document.writeln(date.toLocaleTimeString());//上午1:39:08document.writeln('<br/>')document.writeln(date.toUTCString());//Wed, 07 Jan 2015 17:39:08 GMT//一些set，get方法</script>方法五：
Date.prototype.Format = function(formatStr) {var str = formatStr;var Week = ['日', '一', '二', '三', '四', '五', '六'];str = str.replace(/yyyy|YYYY/, this.getFullYear());str = str.replace(/yy|YY/, (this.getYear() % 100) > 9 ? (this.getYear() % 100).toString() : '0' + (this.getYear() % 100));str = str.replace(/MM/, (this.getMonth() + 1) > 9 ? (this.getMonth() + 1).toString() : '0' + (this.getMonth() + 1));str = str.replace(/M/g, (this.getMonth() + 1));str = str.replace(/w|W/g, Week[this.getDay()]);str = str.replace(/dd|DD/, this.getDate() > 9 ? this.getDate().toString() : '0' + this.getDate());str = str.replace(/d|D/g, this.getDate());str = str.replace(/hh|HH/, this.getHours() > 9 ? this.getHours().toString() : '0' + this.getHours());str = str.replace(/h|H/g, this.getHours());str = str.replace(/mm/, this.getMinutes() > 9 ? this.getMinutes().toString() : '0' + this.getMinutes());str = str.replace(/m/g, this.getMinutes());str = str.replace(/ss|SS/, this.getSeconds() > 9 ? this.getSeconds().toString() : '0' + this.getSeconds());str = str.replace(/s|S/g, this.getSeconds());return str}方法六：
Date.prototype.Format = function(formatStr) {var str = formatStr;var Week = ['日', '一', '二', '三', '四', '五', '六'];str = str.replace(/yyyy|YYYY/, this.getFullYear());str = str.replace(/yy|YY/, (this.getYear() % 100) > 9 ? (this.getYear() % 100).toString() : '0' + (this.getYear() % 100));str = str.replace(/MM/, (this.getMonth() + 1) > 9 ? (this.getMonth() + 1).toString() : '0' + (this.getMonth() + 1));str = str.replace(/M/g, (this.getMonth() + 1));str = str.replace(/w|W/g, Week[this.getDay()]);str = str.replace(/dd|DD/, this.getDate() > 9 ? this.getDate().toString() : '0' + this.getDate());str = str.replace(/d|D/g, this.getDate());str = str.replace(/hh|HH/, this.getHours() > 9 ? this.getHours().toString() : '0' + this.getHours());str = str.replace(/h|H/g, this.getHours());str = str.replace(/mm/, this.getMinutes() > 9 ? this.getMinutes().toString() : '0' + this.getMinutes());str = str.replace(/m/g, this.getMinutes());str = str.replace(/ss|SS/, this.getSeconds() > 9 ? this.getSeconds().toString() : '0' + this.getSeconds());str = str.replace(/s|S/g, this.getSeconds());return str}方法七：
/*1、< 60s, 顯示為“剛剛”2、>= 1min && < 60 min, 顯示與當前時間差“XX分鐘前”3、>= 60min && < 1day, 顯示與當前時間差“今天 XX:XX”4、>= 1day && < 1year, 顯示日期“XX月XX日 XX:XX”5、>= 1year, 顯示具體日期“XXXX年XX月XX日 XX:XX”*/function timeFormat(time){var date = new Date(time),curDate = new Date(),year = date.getFullYear(),month = date.getMonth() + 10,day = date.getDate(),hour = date.getHours(),minute = date.getMinutes(),curYear = curDate.getFullYear(),curHour = curDate.getHours(),timeStr; if(year < curYear){timeStr = year +'年'+ month +'月'+ day +'日 '+ hour +':'+ minute;}else{var pastTime = curDate - date,pastH = pastTime/3600000; if(pastH > curHour){timeStr = month +'月'+ day +'日 '+ hour +':'+ minute;}else if(pastH >= 1){timeStr = '今天 ' + hour +':'+ minute +'分';}else{var pastM = curDate.getMinutes() - minute;if(pastM > 1){timeStr = pastM +'分鐘前';}else{timeStr = '剛剛';}}}return timeStr;}是不是第七種更加的個性化一些呢，個人推薦這種
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