小编给大家分享一下JavaScript如何实现时间日期格式转换,希望大家阅读完这篇文章之后都有所收获,下面让我们一起去探讨吧!
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;};// 或Date.prototype.format = function(format) { var o = { "M+": this.getMonth() + 1, //month "d+": this.getDate(), //day "h+": this.getHours(), //hour "m+": this.getMinutes(), //minute "s+": this.getSeconds(), //second "q+": Math.floor((this.getMonth() + 3) / 3), //quarter S: this.getMilliseconds() //millisecond }; if (/(y+)/.test(format)) format = format.replace( RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length) ); for (var k in o) { if (new RegExp("(" + k + ")").test(format)) format = format.replace( RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length) ); } return format;};alert(new Date().format("yyyy-MM-dd hh:mm:ss"));
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原文链接:https://www.freebuf.com/articles/system/175922.html