增加日期处理文件FDate.js
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FDate.js
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30
FDate.js
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//时间格式化
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Date.prototype.format = function (fmt) {
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fmt = fmt ?? "yyyy-MM-dd HH:mm:ss";
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date = new Date(this);
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var o = {
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"M+": date.getMonth() + 1, //月份
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"d+": date.getDate(), //日
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"H+": date.getHours(), //小时
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"m+": date.getMinutes(), //分
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"s+": date.getSeconds(), //秒
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"q+": Math.floor((date.getMonth() + 3) / 3), //季度
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"S": date.getMilliseconds() //毫秒
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};
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if (/(y+)/.test(fmt))
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fmt = fmt.replace(RegExp.$1, (date.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))
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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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//为当前日期增加i天
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Date.prototype.addDays = function (i) {
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let td = new Date(this);
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return new Date(td.setDate(td.getDate() + i))
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}
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//为当前日期增加i月
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Date.prototype.addMonths = function (i) {
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let td = new Date(this);
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return new Date(td.setMonth(td.getMonth() + i))
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}
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