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@@ -0,0 +1,74 @@
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import dayjs from 'dayjs'
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// 定义单位的类型
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type Unit = 'day' | 'week' | 'month' | 'year'
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/**
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* 获取指定日期之前的日期
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* @param value 数字,表示要减去的时间量
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* @param unit 时间单位,可以是 'day'、'week'、'month' 或 'year'
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* @returns 返回计算后的日期
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*/
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export function getDateBefore(value: number, unit: Unit): string {
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return dayjs().subtract(value, unit).format('YYYY-MM-DD')
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}
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export function getTimeDifference(dateStr1: string, dateStr2: string) {
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const date1 = new Date(dateStr1)
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if (!dateStr2) {
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return Number.NaN
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}
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const date2 = new Date(dateStr2)
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const differenceInMilliseconds = date2.getTime() - date1.getTime()
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return differenceInMilliseconds
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}
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// 获取当前年份
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export function getYear(): string {
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return dayjs().year().toString()
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}
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export function getMonth(): string {
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// 获取当前月份并加1,确保是1-12范围
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const month = (dayjs().month() + 1).toString()
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return month.padStart(2, '0') // 如果是单数月,前面加0
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}
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export function getDay(): string {
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// 获取当前日期并转换为字符串
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const day = dayjs().date().toString()
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return day.padStart(2, '0') // 如果是单数天,前面加0
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}
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export function getCurrentDate() {
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return dayjs().format('YYYY-MM-DD')
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}
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export function getCurrentDateTimeWithSeconds() {
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return dayjs().format('YYYY-MM-DD HH:mm:ss')
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}
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export function stringToTimestamp(timeString: string, format: string): number {
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const parsedDate = dayjs(timeString, format)
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if (!parsedDate.isValid()) {
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throw new Error('Invalid date string or format')
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}
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return parsedDate.valueOf() // 返回时间戳(以毫秒为单位)
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}
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export function timestampToString(timestamp: number, format: string): string {
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const parsedDate = dayjs(timestamp)
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return parsedDate.format(format)
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}
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/**
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* 判断传入日期是否在今天的60天以内(含60天)
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* @param dateStr - 日期字符串(如 '2025-02-01')
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* @returns boolean - true 表示在60天内(包括第60天),false 表示超过60天
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*/
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export function isWithin60Days(dateStr: string): boolean {
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if (!dateStr.trim()) {
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return true
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}
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const inputDate = dayjs(dateStr)
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const today = dayjs()
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const diffDays = today.diff(inputDate, 'day')
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return diffDays >= 0 && diffDays <= 60
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}
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