rain
88 lines
2.7 KiB
JavaScript
88 lines
2.7 KiB
JavaScript
class DateUtil {
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static formatDateToMonthDay(dateStr) {
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const date = DateUtil._parseDate(dateStr);
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if (!DateUtil._isValidDate(date)) return '';
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return `${date.getMonth() + 1}月${date.getDate()}日`;
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}
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static formatDateToYearMonthDay(dateStr) {
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const date = DateUtil._parseDate(dateStr);
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if (!DateUtil._isValidDate(date)) return '';
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return `${date.getFullYear()}年${date.getMonth() + 1}月${date.getDate()}日`;
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}
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static formatDateToYMD(dateStr) {
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const date = DateUtil._parseDate(dateStr);
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if (!DateUtil._isValidDate(date)) return '';
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return [
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date.getFullYear(),
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String(date.getMonth() + 1).padStart(2, '0'),
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String(date.getDate()).padStart(2, '0'),
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].join('-');
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}
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static formatDateTimeToYMDHMS(dateStr) {
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const date = DateUtil._parseDate(dateStr);
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if (!DateUtil._isValidDate(date)) return '';
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return `${DateUtil.formatDateToYMD(date)} ${DateUtil._timeParts(date).join(':')}`;
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}
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static formatDateTimeToYMDHM(dateStr) {
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const date = DateUtil._parseDate(dateStr);
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if (!DateUtil._isValidDate(date)) return '';
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const [hour, minute] = DateUtil._timeParts(date);
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return `${DateUtil.formatDateToYMD(date)} ${hour}:${minute}`;
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}
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static formatTimeToHMS(dateStr) {
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const date = typeof dateStr === 'number' ? new Date(dateStr) : DateUtil._parseDate(dateStr);
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if (!DateUtil._isValidDate(date)) return '';
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return DateUtil._timeParts(date).join(':');
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}
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static getCurrentDate() {
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return new Date();
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}
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static isSameDay(date1, date2) {
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const d1 = DateUtil._parseDate(date1);
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const d2 = DateUtil._parseDate(date2);
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if (!DateUtil._isValidDate(d1) || !DateUtil._isValidDate(d2)) return false;
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return (
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d1.getFullYear() === d2.getFullYear() &&
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d1.getMonth() === d2.getMonth() &&
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d1.getDate() === d2.getDate()
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);
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}
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static _parseDate(dateStr) {
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if (dateStr instanceof Date) return dateStr;
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if (typeof dateStr === 'number') return new Date(dateStr);
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if (typeof dateStr !== 'string') return null;
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const value = dateStr.trim();
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if (!value) return null;
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if (/^\d{4}-\d{2}-\d{2}$/.test(value)) {
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return new Date(value.replace(/-/g, '/'));
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}
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return new Date(value);
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}
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static _isValidDate(date) {
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return date instanceof Date && !Number.isNaN(date.getTime());
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}
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static _timeParts(date) {
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return [
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String(date.getHours()).padStart(2, '0'),
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String(date.getMinutes()).padStart(2, '0'),
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String(date.getSeconds()).padStart(2, '0'),
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];
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}
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}
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if (typeof module !== 'undefined' && module.exports) {
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module.exports = DateUtil;
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} else if (typeof window !== 'undefined') {
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window.DateUtil = DateUtil;
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}
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