import CALENDAR from './calendar.js'
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class Calendar {
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constructor({
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date,
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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.getDate(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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// 范围开始
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this.startDate = startDate
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// 范围结束
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this.endDate = endDate
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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._getWeek(this.date.fullDate)
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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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this.selectDate = this.getDate(date)
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this._getWeek(this.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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/**
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* 重置开始日期
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*/
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resetSatrtDate(startDate) {
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// 范围开始
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this.startDate = startDate
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}
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/**
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* 重置结束日期
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*/
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resetEndDate(endDate) {
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// 范围结束
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this.endDate = endDate
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}
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/**
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* 获取任意时间
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*/
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getDate(date, AddDayCount = 0, str = 'day') {
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if (!date) {
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date = new Date()
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}
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if (typeof date !== 'object') {
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date = date.replace(/-/g, '/')
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}
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const dd = new Date(date)
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switch (str) {
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case 'day':
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dd.setDate(dd.getDate() + AddDayCount) // 获取AddDayCount天后的日期
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break
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case 'month':
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if (dd.getDate() === 31 && AddDayCount>0) {
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dd.setDate(dd.getDate() + AddDayCount)
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} else {
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const preMonth = dd.getMonth()
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dd.setMonth(preMonth + AddDayCount) // 获取AddDayCount天后的日期
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const nextMonth = dd.getMonth()
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// 处理 pre 切换月份目标月份为2月没有当前日(30 31) 切换错误问题
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if(AddDayCount<0 && preMonth!==0 && nextMonth-preMonth>AddDayCount){
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dd.setMonth(nextMonth+(nextMonth-preMonth+AddDayCount))
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}
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// 处理 next 切换月份目标月份为2月没有当前日(30 31) 切换错误问题
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if(AddDayCount>0 && nextMonth-preMonth>AddDayCount){
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dd.setMonth(nextMonth-(nextMonth-preMonth-AddDayCount))
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}
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}
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break
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case 'year':
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dd.setFullYear(dd.getFullYear() + AddDayCount) // 获取AddDayCount天后的日期
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break
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}
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const y = dd.getFullYear()
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const m = dd.getMonth() + 1 < 10 ? '0' + (dd.getMonth() + 1) : dd.getMonth() + 1 // 获取当前月份的日期，不足10补0
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const d = dd.getDate() < 10 ? '0' + dd.getDate() : dd.getDate() // 获取当前几号，不足10补0
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return {
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fullDate: y + '-' + m + '-' + d,
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year: y,
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month: m,
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date: d,
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day: dd.getDay()
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}
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}
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/**
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* 获取上月剩余天数
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*/
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_getLastMonthDays(firstDay, full) {
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let dateArr = []
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for (let i = firstDay; i > 0; i--) {
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const beforeDate = new Date(full.year, full.month - 1, -i + 1).getDate()
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dateArr.push({
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date: beforeDate,
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month: full.month - 1,
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lunar: this.getlunar(full.year, full.month - 1, beforeDate),
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disable: true
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})
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}
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return dateArr
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}
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/**
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* 获取本月天数
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*/
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_currentMonthDys(dateData, full) {
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let dateArr = []
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let fullDate = this.date.fullDate
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for (let i = 1; i <= dateData; i++) {
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let nowDate = full.year + '-' + (full.month < 10 ?
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full.month : full.month) + '-' + (i < 10 ?
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'0' + i : i)
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// 是否今天
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let isDay = fullDate === nowDate
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// 获取打点信息
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let info = this.selected && this.selected.find((item) => {
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if (this.dateEqual(nowDate, 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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// let dateCompBefore = this.dateCompare(this.startDate, fullDate)
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// disableBefore = this.dateCompare(dateCompBefore ? this.startDate : fullDate, nowDate)
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disableBefore = this.dateCompare(this.startDate, nowDate)
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}
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if (this.endDate) {
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// let dateCompAfter = this.dateCompare(fullDate, this.endDate)
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// disableAfter = this.dateCompare(nowDate, dateCompAfter ? this.endDate : fullDate)
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disableAfter = this.dateCompare(nowDate, this.endDate)
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}
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let multiples = this.multipleStatus.data
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let checked = false
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let multiplesStatus = -1
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if (this.range) {
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if (multiples) {
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multiplesStatus = multiples.findIndex((item) => {
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return this.dateEqual(item, nowDate)
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})
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}
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if (multiplesStatus !== -1) {
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checked = true
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}
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}
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let data = {
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fullDate: nowDate,
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year: full.year,
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date: i,
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multiple: this.range ? checked : false,
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beforeMultiple: this.dateEqual(this.multipleStatus.before, nowDate),
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afterMultiple: this.dateEqual(this.multipleStatus.after, nowDate),
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month: full.month,
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lunar: this.getlunar(full.year, full.month, i),
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disable: !(disableBefore && disableAfter),
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isDay
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}
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if (info) {
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data.extraInfo = info
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}
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dateArr.push(data)
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}
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return dateArr
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}
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/**
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* 获取下月天数
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*/
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_getNextMonthDays(surplus, full) {
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let dateArr = []
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for (let i = 1; i < surplus + 1; i++) {
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dateArr.push({
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date: i,
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month: Number(full.month) + 1,
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lunar: this.getlunar(full.year, Number(full.month) + 1, i),
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disable: true
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})
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}
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return dateArr
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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 dateInfo = this.canlender.find(item => item.fullDate === this.getDate(date).fullDate)
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return dateInfo
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}
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/**
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* 比较时间大小
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*/
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dateCompare(startDate, endDate) {
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// 计算截止时间
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startDate = new Date(startDate.replace('-', '/').replace('-', '/'))
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// 计算详细项的截止时间
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endDate = new Date(endDate.replace('-', '/').replace('-', '/'))
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if (startDate <= endDate) {
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return true
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} else {
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return false
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}
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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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// 计算截止时间
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before = new Date(before.replace('-', '/').replace('-', '/'))
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// 计算详细项的截止时间
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after = new Date(after.replace('-', '/').replace('-', '/'))
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if (before.getTime() - after.getTime() === 0) {
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return true
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} else {
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return false
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}
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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.getDate(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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* 计算阴历日期显示
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*/
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getlunar(year, month, date) {
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return CALENDAR.solar2lunar(year, month, date)
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}
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/**
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* 设置打点
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*/
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setSelectInfo(data, value) {
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this.selected = value
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this._getWeek(data)
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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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let {
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before,
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after
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} = this.multipleStatus
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if (!this.range) return
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if (before && after) {
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this.multipleStatus.before = ''
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this.multipleStatus.after = ''
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this.multipleStatus.data = []
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} else {
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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 (this.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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}
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this._getWeek(fullDate)
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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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_getWeek(dateData) {
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const {
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year,
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month
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} = this.getDate(dateData)
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let firstDay = new Date(year, month - 1, 1).getDay()
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let currentDay = new Date(year, month, 0).getDate()
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let dates = {
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lastMonthDays: this._getLastMonthDays(firstDay, this.getDate(dateData)), // 上个月末尾几天
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currentMonthDys: this._currentMonthDys(currentDay, this.getDate(dateData)), // 本月天数
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nextMonthDays: [], // 下个月开始几天
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weeks: []
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}
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let canlender = []
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const surplus = 42 - (dates.lastMonthDays.length + dates.currentMonthDys.length)
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dates.nextMonthDays = this._getNextMonthDays(surplus, this.getDate(dateData))
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canlender = canlender.concat(dates.lastMonthDays, dates.currentMonthDys, dates.nextMonthDays)
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let weeks = {}
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// 拼接数组 上个月开始几天 + 本月天数+ 下个月开始几天
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for (let i = 0; i < canlender.length; i++) {
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if (i % 7 === 0) {
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weeks[parseInt(i / 7)] = new Array(7)
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}
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weeks[parseInt(i / 7)][i % 7] = canlender[i]
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}
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this.canlender = canlender
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this.weeks = weeks
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}
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//静态方法
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// static init(date) {
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// if (!this.instance) {
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// this.instance = new Calendar(date);
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// }
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// return this.instance;
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// }
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}
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export default Calendar
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