42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
export const formatTime = (date: Date) => {
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const year = date.getFullYear()
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const month = date.getMonth() + 1
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const day = date.getDate()
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const hour = date.getHours()
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const minute = date.getMinutes()
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const second = date.getSeconds()
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return (
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[year, month, day].map(formatNumber).join('/') +
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' ' +
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[hour, minute, second].map(formatNumber).join(':')
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)
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}
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const formatNumber = (n: number) => {
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const s = n.toString()
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return s[1] ? s : '0' + s
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}
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export const getMonthDay = () => {
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const now = new Date();
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const year = now.getFullYear();
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const month = now.getMonth(); // 0~11，0代表1月
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// 当月第一天
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const firstDay = new Date(year, month, 1);
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// 当月最后一天：下个月的第0天
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const lastDay = new Date(year, month + 1, 0);
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// 格式化日期为 YYYY-MM-DD
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const format = (date) => {
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const y = date.getFullYear();
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const m = (date.getMonth() + 1).toString().padStart(2, '0');
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const d = date.getDate().toString().padStart(2, '0');
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return `${y}-${m}-${d}`;
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};
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const firstStr = format(firstDay); // 例如 2026-06-01
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const lastStr = format(lastDay); // 例如 2026-06-30
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return [firstStr,lastStr]
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} |