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2 years ago
Date.prototype.format = function(fmt) {
   var o = {
"Y+": this.getFullYear(),
"M+": this.getMonth() + 1, // 月份
"D+": this.getDate(), // 日
"h+": this.getHours(), // 小时
"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;
}