如果您要使用PHP格式化令牌来格式化ECMAscriptDate对象，那么类似以下内容的方法可能会有所帮助。它支持除时区名称之外的所有标记。我认为您不能仅使用浏览器中的javascript就能可靠地做到这一点，尽管诸如node.js之类的功能可能可以做到。
还有一些功能，例如是否遵守夏令时并生成RFC 2822格式字符串，但是我认为它们很容易添加。它支持带引号的字符，因此您可以构建类似以下的字符串：
P.format(date, 'jS \o\f F, Y') // 1st of August, 2019
任何与令牌不匹配的字符都将被复制到输出字符串（例如，上面的空格和逗号）。
// Parser and formatter using PHP tokenslet P = function(global) { let P = {lang: 'en-GB'}; // Format tokens and functions let tokens = { // DAY // day of month, pad to 2 digits d: d => pad(d.getDate()), // Day name, first 3 letters D: d => getDayName(d).substr(0,3), // day of month, no padding j: d => d.getDate(), // Full day name l: d => getDayName(d), // ISO weekday number (1 = Monday ... 7 = Sunday) N: d => d.getDay() || 7, // Ordinal suffix for day of the month S: d => getOrdinal(d.getDate()), // Weekday number (0 = Sunday, 6 = Saturday) w: d => d.getDay(), // Day of year, 1 Jan is 0 z: d => { let Y = d.getFullYear(), M = d.getMonth(), D = d.getDate(); return Math.floor((Date.UTC(Y, M, D) - Date.UTC(Y, 0, 1)) / 8.64e7) ; }, // ISO week number of year W: d => getWeekNumber(d)[1], // Full month name F: d => getMonthName(d), // Month number, padded m: d => pad(d.getMonth() + 1), // 3 letter month name M: d => getMonthName(d).substr(0, 3), // Month number, no pading n: d => d.getMonth() + 1, // Days in month t: d => new Date(d.getFullYear(), d.getMonth() + 1, 0).getDate(), // Return 1 if d is a leap year, otherwise 0 L: d => new Date(d.getFullYear(), 1, 29).getDate() == 29? 1 : 0, // ISO week numbering year o: d => getWeekNumber(d)[0], // 4 digit year Y: d => { let year = d.getFullYear(); if (year < 0) { year = '-' + ('000' + Math.abs(year)).slice(-4); } return year; }, // 2 digit year y: d => { let year = d.getFullYear(); if (year >= 0) { return ('0' + year).slice(-2); } else { year = Math.abs(year); return - + ('0' + year).slice(-2); } }, // Lowercase am or pm a: d => d.getHours() < 12? 'am' : 'pm', // Uppercase AM or PM A: d => d.getHours() < 12? 'AM' : 'PM', // Swatch internet time B: d => (((+d + 3.6e6) % 8.64e7) / 8.64e4).toFixed(0), // 12 hour hour no padding g: d => (d.getHours() % 12) || 12, // 24 hour hour no padding G: d => d.getHours(), // 12 hour hour padded h: d => pad((d.getHours() % 12) || 12), // 24 hour hour padded H: d => pad(d.getHours()), // Minutes padded i: d => pad(d.getMinutes()), // Seconds padded s: d => pad(d.getSeconds()), // Microseconds padded - always returns 000000 u: d => '000000', // Milliseconds v: d => padd(d.getMilliseconds()), // Timezone identifier: UTC, GMT or IANA Tz database identifier - Not supported e: d => void 0, // If in daylight saving: 1 yes, 0 no I: d => d.getTimezoneOffset() == getOffsets(d)[0]? 0 : 1, // Difference to GMT in hours, e.g. +0200 O: d => minsToHours(-d.getTimezoneOffset(), false), // Difference to GMT in hours with colon, e.g. +02:00 P: d => minsToHours(-d.getTimezoneOffset(), true), // Timezone abbreviation, e.g. AEST. Dodgy but may work鈥� T: d => d.toLocaleString('en',{year:'numeric',timeZoneName:'long'}).replace(/[^A-Z]/g, ''), // Timezone offset in seconds, +ve east Z: d => d.getTimezoneOffset() * -60, // ISO 8601 format - UTC // c: d => d.getUTCFullYear() + '-' + pad(d.getUTCMonth() + 1) + '-' + pad(d.getUTCDate()) + // 'T' + pad(d.getUTCHours()) + ':' + pad(d.getUTCMinutes()) + ':' + pad(d.getUTCSeconds()) + // '+00:00', // ISO 8601 format - local c: d => P.format(d, 'Y-m-d\TH:i:sP'), // RFC 2822 formatted date, local timezone r: d => P.format(d, 'D, d M Y H:i:s O'), // Seconds since UNIX epoch (same as ECMAscript epoch) U: d => d.getTime() / 1000 | 0 }; // Helpers // Return day name for date let getDayName = d => d.toLocaleString(P.lang, {weekday:'long'}); // Return month name for date let getMonthName = d => d.toLocaleString(P.lang, {month:'long'}); // Return [std offest, DST offset]. If no DST, same offset for both let getOffsets = d => { let y = d.getFullYear(); let offsets = [0, 2, 5, 9].map(m => new Date(y, m).getTimezoneOffset()); return [Math.max(...offsets), Math.min(...offsets)]; } // Return ordinal for positive integer let getOrdinal = n => { n = n % 100; let ords = ['th','st','nd','rd']; return (n < 10 || n > 13) ? ords[n%10] || 'th' : 'th'; }; // Return ISO week number and year let getWeekNumber = d => { let e = new Date(Date.UTC(d.getFullYear(), d.getMonth(), d.getDate())); e.setUTCDate(e.getUTCDate() + 4 - (e.getUTCDay()||7)); var yearStart = new Date(Date.UTC(e.getUTCFullYear(),0,1)); var weekNo = Math.ceil(( ( (e - yearStart) / 86400000) + 1)/7); return [e.getUTCFullYear(), weekNo]; }; // Return true if o is a Date, otherwise false let isDate = o => Object.prototype.toString.call(o) == '[object Date]'; // Convert numeric minutes to +/-HHMM or +/-HH:MM let minsToHours = (mins, colon) => { let sign = mins < 0? '-' : '+'; mins = Math.abs(mins); let H = pad(mins / 60 | 0); let M = pad(mins % 60); return sign + H + (colon? ':' : '') + M; }; // Pad single digits with a leading zero let pad = n => (n < 10? '0' : '') + n; // Pad single digits with two leading zeros, double digits with one leading zero let padd = n => (n < 10? '00' : n < 100? '0' : '') + n; // To be completed... let parse = s => 'not complete'; P.parse = parse; // Format date using token string s function format(date, s) { // Minimal input validation if (!isDate(date) || typeof s != 'string') { return; // undefined } return s.split('').reduce((acc, c, i, chars) => { // Add quoted characters to output if (c == '\') { acc += chars.splice(i+1, 1); // If character matches a token, use it } else if (c in tokens) { acc += tokens[c](date); // Otherwise, just add character to output } else { acc += c; } return acc; }, ''); } P.format = format; return P;}(this);// Examplesconsole.log('Today is ' + P.format(new Date(), 'l, jS \o\f F, Y'));let startPWars = new Date(-431,3,25);let endPWars = new Date(-404,0);console.log('The Peloponnesian Wars started on ' + P.format(startPWars, 'd F, Y') + ' and ended in ' + P.format(endPWars, 'Y'));function showDate() { let format = document.getElementById('i0').value; document.getElementById('sp0').textContent = P.format(new Date(), format) || 'invalid tokens';}<input id="i0" placeholder="PHP format, e.g. d-M-Y"><button onclick="showDate()">Show formatted date</button><br><span id="sp0"></span>
