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uni_modules/nutui-uni/components/_utils/date.ts

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+/**
+ * 时间戳转换 或 获取当前时间的时间戳
+ */
+export function getTimeStamp(timeStr?: string | number) {
+  if (!timeStr)
+    return Date.now()
+  let t = timeStr
+  t = (t as number > 0) ? +t : t.toString().replace(/-/g, '/')
+  return new Date(t).getTime()
+}
+
+/**
+ * 是否为闫年
+ * @return {Boolse} true|false
+ */
+export function isLeapYear(y: number): boolean {
+  return (y % 4 === 0 && y % 100 !== 0) || y % 400 === 0
+}
+
+/**
+ * 返回星期数
+ * @return {string}
+ */
+export function getWhatDay(year: number, month: number, day: number): string {
+  const date = new Date(`${year}/${month}/${day}`)
+  const index = date.getDay()
+  const dayNames = ['星期日', '星期一', '星期二', '星期三', '星期四', '星期五', '星期六']
+  return dayNames[index]
+}
+
+/**
+ * 返回星期数
+ * @return {number}
+ */
+export function getMonthPreDay(year: number, month: number): number {
+  const date = new Date(`${year}/${month}/01`)
+  let day = date.getDay()
+  if (day === 0)
+    day = 7
+
+  return day
+}
+
+/**
+ * 返回月份天数
+ * @return {number}
+ */
+export function getMonthDays(year: string, month: string): number {
+  if (month.startsWith('0'))
+    month = month.split('')[1]
+
+  return ([0, 31, isLeapYear(Number(year)) ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] as number[])[
+    month as any
+  ]
+}
+
+/**
+ * 补齐数字位数
+ * @return {string}
+ */
+export function getNumTwoBit(n: number): string {
+  n = Number(n)
+  return (n > 9 ? '' : '0') + n
+}
+
+/**
+ * 日期对象转成字符串
+ * @return {string}
+ */
+export function date2Str(date: Date, split?: string): string {
+  split = split || '-'
+  const y = date.getFullYear()
+  const m = getNumTwoBit(date.getMonth() + 1)
+  const d = getNumTwoBit(date.getDate())
+  return [y, m, d].join(split)
+}
+
+/**
+ * 返回日期格式字符串
+ * @param i 0返回今天的日期、1返回明天的日期，2返回后天得日期，依次类推
+ * @return {string} '2014-12-31'
+ */
+export function getDay(i: number): string {
+  i = i || 0
+  let date = new Date()
+  const diff = i * (1000 * 60 * 60 * 24)
+  date = new Date(date.getTime() + diff)
+  return date2Str(date)
+}
+
+/**
+ * 时间比较
+ * @return {boolean}
+ */
+export function compareDate(date1: string, date2: string): boolean {
+  const startTime = new Date(date1.replace('-', '/').replace('-', '/'))
+  const endTime = new Date(date2.replace('-', '/').replace('-', '/'))
+  if (startTime >= endTime)
+    return false
+
+  return true
+}
+
+/**
+ * 时间是否相等
+ * @return {boolean}
+ */
+export function isEqual(date1: string, date2: string): boolean {
+  const startTime = new Date(date1).getTime()
+  const endTime = new Date(date2).getTime()
+  if (startTime === endTime)
+    return true
+
+  return false
+}
+export function getMonthWeek(year: string, month: string, date: string, firstDayOfWeek = 0): number {
+  const dateNow = new Date(Number(year), Number.parseInt(month) - 1, Number(date))
+  let w = dateNow.getDay() // 星期数
+  const d = dateNow.getDate()
+  let remainder = 6 - w
+  if (firstDayOfWeek !== 0) {
+    w = w === 0 ? 7 : w
+    remainder = 7 - w
+  }
+  return Math.ceil((d + remainder) / 7)
+}
+export function getYearWeek(year: string, month: string, date: string): number {
+  const dateNow = new Date(Number(year), Number.parseInt(month) - 1, Number(date))
+  const dateFirst = new Date(Number(year), 0, 1)
+  const dataNumber = Math.round((dateNow.valueOf() - dateFirst.valueOf()) / 86400000)
+  return Math.ceil((dataNumber + (dateFirst.getDay() + 1 - 1)) / 7)
+}
+export function getWeekDate(year: string, month: string, date: string, firstDayOfWeek = 0): string[] {
+  const dateNow = new Date(Number(year), Number.parseInt(month) - 1, Number(date))
+  const nowTime = dateNow.getTime()
+  let day = dateNow.getDay()
+  if (firstDayOfWeek === 0) {
+    const oneDayTime = 24 * 60 * 60 * 1000
+    // 显示周日
+    const SundayTime = nowTime - day * oneDayTime // 本周的周日
+    // 显示周六
+    const SaturdayTime = nowTime + (6 - day) * oneDayTime // 本周的周六
+
+    const sunday = date2Str(new Date(SundayTime))
+    const saturday = date2Str(new Date(SaturdayTime))
+    return [sunday, saturday]
+  }
+  else {
+    day = day === 0 ? 7 : day
+    const oneDayTime = 24 * 60 * 60 * 1000
+    // 显示周一
+    const MondayTime = nowTime - (day - 1) * oneDayTime // 本周的周一
+    // 显示周日
+    const SundayTime = nowTime + (7 - day) * oneDayTime // 本周的周日
+
+    const monday = date2Str(new Date(MondayTime))
+    const sunday = date2Str(new Date(SundayTime))
+    return [monday, sunday]
+  }
+}
+export function formatResultDate(date: string) {
+  const days = [...date.split('-')]
+  days[2] = getNumTwoBit(Number(days[2]))
+  days[3] = `${days[0]}-${days[1]}-${days[2]}`
+  days[4] = getWhatDay(+days[0], +days[1], +days[2])
+  return days
+}