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@tanzhenxing/zx-calendar

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一个功能完善的uni-app日历组件,支持公历、农历显示,日期范围选择,自定义日期信息等功能。

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import calendar from './calendar.js' /** * 日历类,处理日期计算和状态管理 */ class Calendar { /** * 创建日历对象 * @param {Object} options - 配置选项 * @param {Date|string} [options.date] - 初始日期 * @param {Array} [options.selected=[]] - 选中的日期数组 * @param {string} [options.startDate] - 可选日期范围开始 * @param {string} [options.endDate] - 可选日期范围结束 * @param {boolean} [options.range] - 是否支持范围选择 */ constructor({ date, selected = [], startDate, endDate, range } = {}) { // 当前日期 this.date = this.getDate(new Date()) // 当前初入日期 // 打点信息 this.selected = selected || []; // 范围开始 this.startDate = startDate // 范围结束 this.endDate = endDate this.range = range // 多选状态 this.cleanMultipleStatus() // 每周日期 this.weeks = {} // this._getWeek(this.date.fullDate) } /** * 设置日期 * @param {string|Date} date - 日期 */ setDate(date) { if (!date) return; this.selectDate = this.getDate(date) this._getWeek(this.selectDate.fullDate) } /** * 清理多选状态 */ cleanMultipleStatus() { this.multipleStatus = { before: '', after: '', data: [] } } /** * 重置开始日期 * @param {string} startDate - 开始日期 */ resetSatrtDate(startDate) { // 范围开始 this.startDate = startDate } /** * 重置结束日期 * @param {string} endDate - 结束日期 */ resetEndDate(endDate) { // 范围结束 this.endDate = endDate } /** * 获取任意时间的日期对象 * @param {Date|string} date - 日期对象或日期字符串 * @param {number} [addDayCount=0] - 要添加的天数 * @param {string} [type='day'] - 添加的类型:'day'|'month'|'year' * @returns {Object} 日期对象,包含 fullDate、year、month、date、day 属性 */ getDate(date, addDayCount = 0, type = 'day') { if (!date) { date = new Date() } if (typeof date !== 'object') { date = date.replace(/-/g, '/') } const dd = new Date(date) switch (type) { case 'day': dd.setDate(dd.getDate() + addDayCount) // 获取addDayCount天后的日期 break case 'month': if (dd.getDate() === 31 && addDayCount>0) { dd.setDate(dd.getDate() + addDayCount) } else { const preMonth = dd.getMonth() dd.setMonth(preMonth + addDayCount) // 获取addDayCount月后的日期 const nextMonth = dd.getMonth() // 处理月份切换问题,特别是针对2月份的特殊情况 // 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 if(addDayCount<0 && preMonth!==0 && nextMonth-preMonth>addDayCount){ dd.setMonth(nextMonth+(nextMonth-preMonth+addDayCount)) } // 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 if(addDayCount>0 && nextMonth-preMonth>addDayCount){ dd.setMonth(nextMonth-(nextMonth-preMonth-addDayCount)) } } break case 'year': dd.setFullYear(dd.getFullYear() + addDayCount) // 获取addDayCount年后的日期 break default: break } const y = dd.getFullYear() const m = dd.getMonth() + 1 < 10 ? '0' + (dd.getMonth() + 1) : dd.getMonth() + 1 // 月份不足10补0 const d = dd.getDate() < 10 ? '0' + dd.getDate() : dd.getDate() // 日期不足10补0 return { fullDate: `${y}-${m}-${d}`, year: y, month: m, date: d, day: dd.getDay() } } /** * 获取上月剩余天数 * @param {number} firstDay - 本月第一天是星期几 * @param {Object} full - 当前月份信息 * @returns {Array} 日期数组 */ _getLastMonthDays(firstDay, full) { let dateArr = [] for (let i = firstDay; i > 0; i--) { const beforeDate = new Date(full.year, full.month - 1, -i + 1).getDate() dateArr.push({ date: beforeDate, month: full.month - 1, lunar: this.getlunar(full.year, full.month - 1, beforeDate), disable: true }) } return dateArr } /** * 获取本月天数 * @param {number} dateData - 本月天数 * @param {Object} full - 当前月份信息 * @returns {Array} 日期数组 */ _currentMonthDys(dateData, full) { let dateArr = [] let fullDate = this.date.fullDate for (let i = 1; i <= dateData; i++) { let nowDate = `${full.year}-${full.month < 10 ? full.month : full.month}-${i < 10 ? '0' + i : i}` // 是否今天 let isDay = fullDate === nowDate // 获取打点信息 let info = this.selected && this.selected.find((item) => { if (this.dateEqual(nowDate, item.date)) { return item } }) // 日期禁用 let disableBefore = true let disableAfter = true if (this.startDate) { // let dateCompBefore = this.dateCompare(this.startDate, fullDate) // disableBefore = this.dateCompare(dateCompBefore ? this.startDate : fullDate, nowDate) disableBefore = this.dateCompare(this.startDate, nowDate) } if (this.endDate) { // let dateCompAfter = this.dateCompare(fullDate, this.endDate) // disableAfter = this.dateCompare(nowDate, dateCompAfter ? this.endDate : fullDate) disableAfter = this.dateCompare(nowDate, this.endDate) } let multiples = this.multipleStatus.data let checked = false let multiplesStatus = -1 if (this.range) { if (multiples) { multiplesStatus = multiples.findIndex((item) => { return this.dateEqual(item, nowDate) }) } if (multiplesStatus !== -1) { checked = true } } let data = { fullDate: nowDate, year: full.year, date: i, multiple: this.range ? checked : false, beforeMultiple: this.dateEqual(this.multipleStatus.before, nowDate), afterMultiple: this.dateEqual(this.multipleStatus.after, nowDate), month: full.month, lunar: this.getlunar(full.year, full.month, i), disable: !(disableBefore && disableAfter), isDay } if (info) { data.extraInfo = info } dateArr.push(data) } return dateArr } /** * 获取下月天数 * @param {number} surplus - 剩余格子数 * @param {Object} full - 当前月份信息 * @returns {Array} 日期数组 */ _getNextMonthDays(surplus, full) { let dateArr = [] for (let i = 1; i < surplus + 1; i++) { dateArr.push({ date: i, month: Number(full.month) + 1, lunar: this.getlunar(full.year, Number(full.month) + 1, i), disable: true }) } return dateArr } /** * 获取当前日期详情 * @param {string|Date} date - 日期 * @returns {Object} 日期详情 */ getInfo(date) { if (!date) { date = new Date() } if (!this.canlender) { return {} } const dateInfo = this.canlender.find(item => item.fullDate === this.getDate(date).fullDate) return dateInfo || {} } /** * 比较时间大小 * @param {string} startDate - 开始日期 * @param {string} endDate - 结束日期 * @returns {boolean} 如果startDate小于等于endDate则返回true */ dateCompare(startDate, endDate) { try { // 计算截止时间 const start = new Date(startDate.replace(/-/g, '/')) // 计算详细项的截止时间 const end = new Date(endDate.replace(/-/g, '/')) return start <= end } catch (e) { console.error('日期比较错误', e) return false } } /** * 比较时间是否相等 * @param {string} before - 日期1 * @param {string} after - 日期2 * @returns {boolean} 如果日期相等则返回true */ dateEqual(before, after) { try { // 计算截止时间 const beforeDate = new Date(before.replace(/-/g, '/')) // 计算详细项的截止时间 const afterDate = new Date(after.replace(/-/g, '/')) return beforeDate.getTime() === afterDate.getTime() } catch (e) { console.error('日期相等比较错误', e) return false } } /** * 获取日期范围内所有日期 * @param {string} begin - 开始日期 * @param {string} end - 结束日期 * @returns {Array} 日期数组 */ geDateAll(begin, end) { var arr = [] var ab = begin.split('-') var ae = end.split('-') var db = new Date() db.setFullYear(ab[0], ab[1] - 1, ab[2]) var de = new Date() de.setFullYear(ae[0], ae[1] - 1, ae[2]) var unixDb = db.getTime() - 24 * 60 * 60 * 1000 var unixDe = de.getTime() - 24 * 60 * 60 * 1000 for (var k = unixDb; k <= unixDe;) { k = k + 24 * 60 * 60 * 1000 arr.push(this.getDate(new Date(parseInt(k))).fullDate) } return arr } /** * 计算农历日期显示 * @param {number} year - 年 * @param {number} month - 月 * @param {number} date - 日 * @returns {Object} 农历信息 */ getlunar(year, month, date) { return calendar.solar2lunar(year, month, date) } /** * 设置打点 * @param {string} data - 日期 * @param {Array} value - 打点数据 */ setSelectInfo(data, value) { this.selected = value this._getWeek(data) } /** * 获取多选状态 */ setMultiple(fullDate) { let { before, after } = this.multipleStatus if (!this.range) return if (before && after) { this.multipleStatus.before = '' this.multipleStatus.after = '' this.multipleStatus.data = [] } else { if (!before) { this.multipleStatus.before = fullDate } else { this.multipleStatus.after = fullDate if (this.dateCompare(this.multipleStatus.before, this.multipleStatus.after)) { this.multipleStatus.data = this.geDateAll(this.multipleStatus.before, this.multipleStatus.after); } else { this.multipleStatus.data = this.geDateAll(this.multipleStatus.after, this.multipleStatus.before); } } } this._getWeek(fullDate) } /** * 获取每周数据 * @param {string} dateData - 日期 */ _getWeek(dateData) { try { const { year, month } = this.getDate(dateData); const firstDay = new Date(year, month - 1, 1).getDay(); const currentDay = new Date(year, month, 0).getDate(); const dates = { lastMonthDays: this._getLastMonthDays(firstDay, this.getDate(dateData)), // 上个月末尾几天 currentMonthDys: this._currentMonthDys(currentDay, this.getDate(dateData)), // 本月天数 nextMonthDays: [], // 下个月开始几天 weeks: [] }; let canlender = []; const surplus = 42 - (dates.lastMonthDays.length + dates.currentMonthDys.length); dates.nextMonthDays = this._getNextMonthDays(surplus, this.getDate(dateData)); canlender = [...dates.lastMonthDays, ...dates.currentMonthDys, ...dates.nextMonthDays]; let weeks = {}; // 拼接数组 上个月开始几天 + 本月天数+ 下个月开始几天 for (let i = 0; i < canlender.length; i++) { if (i % 7 === 0) { weeks[parseInt(i / 7)] = new Array(7); } weeks[parseInt(i / 7)][i % 7] = canlender[i]; } this.canlender = canlender; this.weeks = weeks; } catch (e) { console.error('获取周数据错误', e); } } //静态方法 // static init(date) { // if (!this.instance) { // this.instance = new Calendar(date); // } // return this.instance; // } } export default Calendar