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Date.prototype.format = function(fmt) {
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var o = {
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"Y+": this.getFullYear(),
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"M+": this.getMonth() + 1, // 月份
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"D+": this.getDate(), // 日
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"h+": this.getHours(), // 小时
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"m+": this.getMinutes(), // 分
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"s+": this.getSeconds(), // 秒
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"q+": Math.floor(( this.getMonth() + 3) / 3), // 季度
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"S": this.getMilliseconds() // 毫秒
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};
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if (/(Y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, ( this.getFullYear() + "").substr(4 - RegExp.$1.length));
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for ( var k in o)
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if ( new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
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return fmt;
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}
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