class Calendar {
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constructor({
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selected,
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startDate,
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endDate,
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range,
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} = {}) {
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// 当前日期
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this.date = this.getDateObj(new Date()) // 当前初入日期
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// 打点信息
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this.selected = selected || [];
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// 起始时间
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this.startDate = startDate
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// 终止时间
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this.endDate = endDate
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// 是否范围选择
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this.range = range
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// 多选状态
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this.cleanMultipleStatus()
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// 每周日期
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this.weeks = {}
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this.lastHover = false
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}
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/**
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* 设置日期
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* @param {Object} date
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*/
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setDate(date) {
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const selectDate = this.getDateObj(date)
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this.getWeeks(selectDate.fullDate)
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}
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/**
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* 清理多选状态
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*/
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cleanMultipleStatus() {
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this.multipleStatus = {
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before: '',
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after: '',
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data: []
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}
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}
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setStartDate(startDate) {
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this.startDate = startDate
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}
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setEndDate(endDate) {
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this.endDate = endDate
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}
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getPreMonthObj(date) {
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date = fixIosDateFormat(date)
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date = new Date(date)
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const oldMonth = date.getMonth()
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date.setMonth(oldMonth - 1)
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const newMonth = date.getMonth()
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if (oldMonth !== 0 && newMonth - oldMonth === 0) {
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date.setMonth(newMonth - 1)
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}
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return this.getDateObj(date)
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}
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getNextMonthObj(date) {
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date = fixIosDateFormat(date)
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date = new Date(date)
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const oldMonth = date.getMonth()
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date.setMonth(oldMonth + 1)
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const newMonth = date.getMonth()
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if (newMonth - oldMonth > 1) {
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date.setMonth(newMonth - 1)
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}
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return this.getDateObj(date)
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}
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/**
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* 获取指定格式Date对象
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*/
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getDateObj(date) {
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date = fixIosDateFormat(date)
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date = new Date(date)
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return {
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fullDate: getDate(date),
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year: date.getFullYear(),
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month: addZero(date.getMonth() + 1),
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date: addZero(date.getDate()),
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day: date.getDay()
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}
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}
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/**
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* 获取上一个月日期集合
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*/
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getPreMonthDays(amount, dateObj) {
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const result = []
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for (let i = amount - 1; i >= 0; i--) {
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const month = dateObj.month - 1
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result.push({
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date: new Date(dateObj.year, month, -i).getDate(),
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month,
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disable: true
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})
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}
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return result
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}
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/**
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* 获取本月日期集合
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*/
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getCurrentMonthDays(amount, dateObj) {
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const result = []
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const fullDate = this.date.fullDate
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for (let i = 1; i <= amount; i++) {
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const currentDate = `${dateObj.year}-${dateObj.month}-${addZero(i)}`
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const isToday = fullDate === currentDate
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// 获取打点信息
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const info = this.selected && this.selected.find((item) => {
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if (this.dateEqual(currentDate, item.date)) {
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return item
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}
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})
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// 日期禁用
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let disableBefore = true
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let disableAfter = true
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if (this.startDate) {
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disableBefore = dateCompare(this.startDate, currentDate)
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}
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if (this.endDate) {
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disableAfter = dateCompare(currentDate, this.endDate)
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}
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let multiples = this.multipleStatus.data
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let multiplesStatus = -1
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if (this.range && multiples) {
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multiplesStatus = multiples.findIndex((item) => {
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return this.dateEqual(item, currentDate)
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})
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}
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const checked = multiplesStatus !== -1
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result.push({
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fullDate: currentDate,
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year: dateObj.year,
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date: i,
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multiple: this.range ? checked : false,
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beforeMultiple: this.isLogicBefore(currentDate, this.multipleStatus.before, this.multipleStatus.after),
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afterMultiple: this.isLogicAfter(currentDate, this.multipleStatus.before, this.multipleStatus.after),
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month: dateObj.month,
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disable: (this.startDate && !dateCompare(this.startDate, currentDate)) || (this.endDate && !dateCompare(
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currentDate, this.endDate)),
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isToday,
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userChecked: false,
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extraInfo: info
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})
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}
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return result
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}
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/**
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* 获取下一个月日期集合
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*/
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_getNextMonthDays(amount, dateObj) {
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const result = []
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const month = dateObj.month + 1
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for (let i = 1; i <= amount; i++) {
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result.push({
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date: i,
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month,
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disable: true
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})
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}
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return result
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}
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/**
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* 获取当前日期详情
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* @param {Object} date
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*/
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getInfo(date) {
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if (!date) {
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date = new Date()
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}
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const res = this.calendar.find(item => item.fullDate === this.getDateObj(date).fullDate)
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return res ? res : this.getDateObj(date)
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}
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/**
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* 比较时间是否相等
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*/
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dateEqual(before, after) {
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before = new Date(fixIosDateFormat(before))
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after = new Date(fixIosDateFormat(after))
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return before.valueOf() === after.valueOf()
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}
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/**
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* 比较真实起始日期
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*/
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isLogicBefore(currentDate, before, after) {
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let logicBefore = before
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if (before && after) {
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logicBefore = dateCompare(before, after) ? before : after
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}
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return this.dateEqual(logicBefore, currentDate)
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}
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isLogicAfter(currentDate, before, after) {
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let logicAfter = after
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if (before && after) {
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logicAfter = dateCompare(before, after) ? after : before
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}
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return this.dateEqual(logicAfter, currentDate)
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}
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/**
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* 获取日期范围内所有日期
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* @param {Object} begin
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* @param {Object} end
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*/
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geDateAll(begin, end) {
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var arr = []
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var ab = begin.split('-')
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var ae = end.split('-')
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var db = new Date()
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db.setFullYear(ab[0], ab[1] - 1, ab[2])
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var de = new Date()
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de.setFullYear(ae[0], ae[1] - 1, ae[2])
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var unixDb = db.getTime() - 24 * 60 * 60 * 1000
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var unixDe = de.getTime() - 24 * 60 * 60 * 1000
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for (var k = unixDb; k <= unixDe;) {
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k = k + 24 * 60 * 60 * 1000
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arr.push(this.getDateObj(new Date(parseInt(k))).fullDate)
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}
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return arr
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}
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/**
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* 获取多选状态
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*/
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setMultiple(fullDate) {
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if (!this.range) return
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let {
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before,
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after
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} = this.multipleStatus
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if (before && after) {
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if (!this.lastHover) {
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this.lastHover = true
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return
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}
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this.multipleStatus.before = fullDate
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this.multipleStatus.after = ''
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this.multipleStatus.data = []
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this.multipleStatus.fulldate = ''
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this.lastHover = false
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} else {
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if (!before) {
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this.multipleStatus.before = fullDate
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this.multipleStatus.after = undefined;
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this.lastHover = false
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} else {
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this.multipleStatus.after = fullDate
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if (dateCompare(this.multipleStatus.before, this.multipleStatus.after)) {
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this.multipleStatus.data = this.geDateAll(this.multipleStatus.before, this.multipleStatus
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.after);
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} else {
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this.multipleStatus.data = this.geDateAll(this.multipleStatus.after, this.multipleStatus
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.before);
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}
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this.lastHover = true
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}
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}
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this.getWeeks(fullDate)
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}
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/**
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* 鼠标 hover 更新多选状态
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*/
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setHoverMultiple(fullDate) {
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//抖音小程序点击会触发hover事件，需要避免一下
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// #ifndef MP-TOUTIAO
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if (!this.range || this.lastHover) return
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const {
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before
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} = this.multipleStatus
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if (!before) {
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this.multipleStatus.before = fullDate
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} else {
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this.multipleStatus.after = fullDate
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if (dateCompare(this.multipleStatus.before, this.multipleStatus.after)) {
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this.multipleStatus.data = this.geDateAll(this.multipleStatus.before, this.multipleStatus.after);
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} else {
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this.multipleStatus.data = this.geDateAll(this.multipleStatus.after, this.multipleStatus.before);
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}
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}
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this.getWeeks(fullDate)
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// #endif
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}
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/**
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* 更新默认值多选状态
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*/
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setDefaultMultiple(before, after) {
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this.multipleStatus.before = before
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this.multipleStatus.after = after
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if (before && after) {
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if (dateCompare(before, after)) {
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this.multipleStatus.data = this.geDateAll(before, after);
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this.getWeeks(after)
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} else {
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this.multipleStatus.data = this.geDateAll(after, before);
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this.getWeeks(before)
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}
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}
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}
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/**
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* 获取每周数据
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* @param {Object} dateData
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*/
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getWeeks(dateData) {
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const {
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year,
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month,
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} = this.getDateObj(dateData)
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const preMonthDayAmount = new Date(year, month - 1, 1).getDay()
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const preMonthDays = this.getPreMonthDays(preMonthDayAmount, this.getDateObj(dateData))
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const currentMonthDayAmount = new Date(year, month, 0).getDate()
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const currentMonthDays = this.getCurrentMonthDays(currentMonthDayAmount, this.getDateObj(dateData))
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const nextMonthDayAmount = 42 - preMonthDayAmount - currentMonthDayAmount
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const nextMonthDays = this._getNextMonthDays(nextMonthDayAmount, this.getDateObj(dateData))
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const calendarDays = [...preMonthDays, ...currentMonthDays, ...nextMonthDays]
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const weeks = new Array(6)
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for (let i = 0; i < calendarDays.length; i++) {
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const index = Math.floor(i / 7)
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if (!weeks[index]) {
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weeks[index] = new Array(7)
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}
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weeks[index][i % 7] = calendarDays[i]
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}
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this.calendar = calendarDays
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this.weeks = weeks
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}
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}
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function getDateTime(date, hideSecond) {
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return `${getDate(date)} ${getTime(date, hideSecond)}`
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}
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function getDate(date) {
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date = fixIosDateFormat(date)
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date = new Date(date)
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const year = date.getFullYear()
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const month = date.getMonth() + 1
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const day = date.getDate()
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return `${year}-${addZero(month)}-${addZero(day)}`
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}
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function getTime(date, hideSecond) {
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date = fixIosDateFormat(date)
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date = new Date(date)
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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 hideSecond ? `${addZero(hour)}:${addZero(minute)}` : `${addZero(hour)}:${addZero(minute)}:${addZero(second)}`
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}
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function addZero(num) {
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if (num < 10) {
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num = `0${num}`
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}
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return num
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}
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function getDefaultSecond(hideSecond) {
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return hideSecond ? '00:00' : '00:00:00'
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}
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function dateCompare(startDate, endDate) {
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startDate = new Date(fixIosDateFormat(startDate))
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endDate = new Date(fixIosDateFormat(endDate))
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return startDate <= endDate
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}
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function checkDate(date) {
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const dateReg = /((19|20)\d{2})(-|\/)\d{1,2}(-|\/)\d{1,2}/g
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return date.match(dateReg)
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}
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//ios低版本15及以下，无法匹配 没有 ’秒‘ 时的情况，所以需要在末尾 秒 加上 问号
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const dateTimeReg = /^\d{4}-(0?[1-9]|1[012])-(0?[1-9]|[12][0-9]|3[01])( [0-5]?[0-9]:[0-5]?[0-9](:[0-5]?[0-9])?)?$/;
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function fixIosDateFormat(value) {
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if (typeof value === 'string' && dateTimeReg.test(value)) {
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value = value.replace(/-/g, '/')
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}
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return value
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}
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export {
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Calendar,
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getDateTime,
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getDate,
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getTime,
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addZero,
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getDefaultSecond,
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dateCompare,
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checkDate,
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fixIosDateFormat
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}
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