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frontend-app/uni_modules/uview-plus/components/u-calendar/u-calendar.vue
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2026-07-23 14:31:06 +08:00

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<template>
<u-popup
:show="show"
mode="bottom"
:overlay="overlay"
:duration="duration"
:overlayStyle="overlayStyle"
:overlayOpacity="overlayOpacity"
:zIndex="zIndex"
:safeAreaInsetBottom="safeAreaInsetBottom"
:safeAreaInsetTop="safeAreaInsetTop"
:bgColor="bgColor"
:closeable="!pageInline"
@close="close"
:round="round"
:pageInline="pageInline"
:closeOnClickOverlay="closeOnClickOverlay"
>
<view class="u-calendar">
<uHeader
:title="title"
:subtitle="subtitle"
:showSubtitle="showSubtitle"
:showTitle="showTitle"
:weekText="weekText"
:showSwitch="monthSwitch"
:showToday="showToday"
:todayText="todayText"
:todayDisabled="todayDisabled"
:prevDisabled="switchPrevDisabled"
:nextDisabled="switchNextDisabled"
:prevYearDisabled="switchPrevYearDisabled"
:nextYearDisabled="switchNextYearDisabled"
@prev="prevMonth"
@next="nextMonth"
@prevYear="prevYear"
@nextYear="nextYear"
@today="jumpToToday"
></uHeader>
<view v-if="showTimePanel" class="u-calendar__time-panel">
<view v-if="mode === 'single'" class="u-calendar__time-row">
<text class="u-calendar__time-date">{{ singleDateLabel }}</text>
<view class="u-calendar__time-trigger" @click="openTimePicker('single')">
<text class="u-calendar__time-text">{{ singleTime }}</text>
</view>
</view>
<view v-else-if="mode === 'range' && rangeResultMode === 'boundary'">
<view class="u-calendar__time-row">
<text class="u-calendar__time-date">{{ rangeStartDateLabel }}</text>
<view class="u-calendar__time-trigger" @click="openTimePicker('start')">
<text class="u-calendar__time-text">{{ rangeStartTime }}</text>
</view>
</view>
<view class="u-calendar__time-row">
<text class="u-calendar__time-date">{{ rangeEndDateLabel }}</text>
<view class="u-calendar__time-trigger" @click="openTimePicker('end')">
<text class="u-calendar__time-text">{{ rangeEndTime }}</text>
</view>
</view>
</view>
</view>
<scroll-view
v-if="!monthSwitch"
:style="{
height: addUnit(listHeight, 'px')
}"
scroll-y
@scroll="onScroll"
:scroll-top="scrollTop"
:scrollIntoView="scrollIntoView"
>
<uMonth
:color="color"
:rowHeight="rowHeight"
:showMark="showMark"
:months="months"
:mode="mode"
:maxCount="maxCount"
:startText="startText"
:endText="endText"
:defaultDate="defaultDate"
:minDate="innerMinDate"
:maxDate="innerMaxDate"
:maxMonth="monthNum"
:readonly="readonly"
:maxRange="maxRange"
:rangePrompt="rangePrompt"
:showRangePrompt="showRangePrompt"
:allowSameDay="allowSameDay"
:forbidDays="forbidDays"
:forbidDaysToast="forbidDaysToast"
:monthFormat="monthFormat"
:todayDate="todayDate"
:todayColor="todayColor"
ref="month"
@monthSelected="monthSelected"
@updateMonthTop="onUpdateMonthTop"
></uMonth>
</scroll-view>
<view
v-else
:style="{
height: addUnit(listHeight, 'px')
}"
>
<uMonth
:color="color"
:rowHeight="rowHeight"
:showMark="showMark"
:months="currentMonths"
:mode="mode"
:maxCount="maxCount"
:startText="startText"
:endText="endText"
:defaultDate="defaultDate"
:minDate="innerMinDate"
:maxDate="innerMaxDate"
:maxMonth="monthNum"
:readonly="readonly"
:maxRange="maxRange"
:rangePrompt="rangePrompt"
:showRangePrompt="showRangePrompt"
:allowSameDay="allowSameDay"
:forbidDays="forbidDays"
:forbidDaysToast="forbidDaysToast"
:monthFormat="monthFormat"
:todayDate="todayDate"
:todayColor="todayColor"
ref="month"
@monthSelected="monthSelected"
@updateMonthTop="onUpdateMonthTop"
></uMonth>
</view>
<slot name="footer" v-if="showConfirm">
<view class="u-calendar__confirm">
<u-button
shape="circle"
:text="
buttonDisabled ? confirmDisabledText : confirmText
"
:color="color"
@click="confirm"
:disabled="buttonDisabled"
></u-button>
</view>
</slot>
</view>
</u-popup>
<u-popup
:show="timePickerShow"
mode="center"
:round="8"
:closeOnClickOverlay="true"
@close="closeTimePicker"
>
<view class="u-calendar__time-picker">
<view class="u-calendar__time-picker__header">
<text class="u-calendar__time-picker__cancel" @click="closeTimePicker">取消</text>
<text class="u-calendar__time-picker__title">选择时间</text>
<text class="u-calendar__time-picker__confirm" @click="confirmTimePicker">确定</text>
</view>
<picker-view class="u-calendar__time-picker__body" :value="timePickerValue" @change="onTimePickerChange">
<picker-view-column>
<view v-for="(item, index) in hourOptions" :key="`h-${index}`" class="u-calendar__time-picker__item">{{ item }}</view>
</picker-view-column>
<picker-view-column v-if="timePrecision !== 'hour'">
<view v-for="(item, index) in minuteOptions" :key="`m-${index}`" class="u-calendar__time-picker__item">{{ item }}</view>
</picker-view-column>
<picker-view-column v-if="timePrecision === 'second'">
<view v-for="(item, index) in secondOptions" :key="`s-${index}`" class="u-calendar__time-picker__item">{{ item }}</view>
</picker-view-column>
</picker-view>
</view>
</u-popup>
</template>
<script>
import uHeader from './header.vue'
import uMonth from './month.vue'
import { props } from './props.js'
import util from './util.js'
import dayjs from '../u-datetime-picker/dayjs.esm.min.js';
import Calendar from '../../libs/util/calendar.js'
import { mpMixin } from '../../libs/mixin/mpMixin.js'
import { mixin } from '../../libs/mixin/mixin.js'
import { addUnit, getPx, range, error, padZero } from '../../libs/function/index';
import test from '../../libs/function/test';
import { t } from '../../libs/i18n'
/**
* Calendar 日历
* @description 此组件用于单个选择日期,范围选择日期等,日历被包裹在底部弹起的容器中.
* @tutorial https://uview-plus.jiangruyi.com/components/calendar.html
*
* @property {String} title 标题内容 (默认 日期选择 )
* @property {Boolean} showTitle 是否显示标题 (默认 true )
* @property {Boolean} showSubtitle 是否显示副标题 (默认 true )
* @property {String} mode 日期类型选择 single-选择单个日期,multiple-可以选择多个日期,range-选择日期范围 ( 默认 'single' )
* @property {String} startText mode=range时,第一个日期底部的提示文字 (默认 '开始' )
* @property {String} endText mode=range时,最后一个日期底部的提示文字 (默认 '结束' )
* @property {Array} customList 自定义列表
* @property {String} color 主题色,对底部按钮和选中日期有效 (默认 ‘#3c9cff' )
* @property {String | Number} minDate 最小的可选日期 (默认 0 )
* @property {String | Number} maxDate 最大可选日期 (默认 0 )
* @property {Array | String| Date} defaultDate 默认选中的日期,mode为multiple或range是必须为数组格式
* @property {String | Number} maxCount mode=multiple时,最多可选多少个日期 (默认 Number.MAX_SAFE_INTEGER )
* @property {String | Number} rowHeight 日期行高 (默认 56 )
* @property {Function} formatter 日期格式化函数
* @property {Boolean} showLunar 是否显示农历 (默认 false )
* @property {Boolean} showMark 是否显示月份背景色 (默认 true )
* @property {String} confirmText 确定按钮的文字 (默认 '确定' )
* @property {String} confirmDisabledText 确认按钮处于禁用状态时的文字 (默认 '确定' )
* @property {Boolean} show 是否显示日历弹窗 (默认 false )
* @property {Boolean} overlay 是否显示遮罩 (默认 true )
* @property {String | Number} duration 动画时长,单位ms (默认 300 )
* @property {Object | String} overlayStyle 自定义遮罩的样式
* @property {Number | String} overlayOpacity 遮罩透明度,0-1之间 (默认 0.5 )
* @property {String | Number} zIndex 弹出层的z-index值 (默认 10075 )
* @property {Boolean} safeAreaInsetBottom 是否留出底部安全距离 (默认 true )
* @property {Boolean} safeAreaInsetTop 是否留出顶部安全距离(状态栏高度) (默认 false )
* @property {String} bgColor 弹窗背景色,设置为transparent可去除白色背景
* @property {Boolean} closeOnClickOverlay 是否允许点击遮罩关闭日历 (默认 false )
* @property {Boolean} readonly 是否为只读状态,只读状态下禁止选择日期 (默认 false )
* @property {String | Number} maxRange 日期区间最多可选天数,默认无限制,mode = range时有效
* @property {String} rangePrompt 范围选择超过最多可选天数时的提示文案,mode = range时有效
* @property {Boolean} showRangePrompt 范围选择超过最多可选天数时,是否展示提示文案,mode = range时有效 (默认 true )
* @property {Boolean} allowSameDay 是否允许日期范围的起止时间为同一天,mode = range时有效 (默认 false )
* @property {String} rangeResultMode 区间模式下确认返回值格式,all-返回区间内所有日期,boundary-仅返回起止日期 (默认 'all' )
* @property {Boolean} enableTime 是否开启时分秒选择 (默认 false )
* @property {String} timePrecision 时间精度,hour-仅时,minute-时分,second-时分秒 (默认 'minute' )
* @property {String} defaultTime 默认时间,支持HH/HH:mm/HH:mm:ss,不传则按00:00补齐
* @property {Number|String} round 圆角值,默认无圆角 (默认 0 )
* @property {Number|String} monthNum 最多展示的月份数量 (默认 3 )
* @property {Boolean} monthSwitch 是否启用非滚动的单月切换模式 (默认 false )
* @property {String} todayColor 今天日期的独立高亮颜色,默认跟随主题色
* @property {Array} weekText 星期文案 (默认 ['一', '二', '三', '四', '五', '六', '日'] )
*
* @event {Function()} confirm 点击确定按钮时触发 选择日期相关的返回参数
* @event {Function()} close 日历关闭时触发 可定义页面关闭时的回调事件
* @example <u-calendar :defaultDate="defaultDateMultiple" :show="show" mode="multiple" @confirm="confirm">
</u-calendar>
* */
export default {
name: 'u-calendar',
mixins: [mpMixin, mixin, props],
components: {
uHeader,
uMonth
},
data() {
return {
// 需要显示的月份的数组
months: [],
// 在月份滚动区域中,当前视图中月份的index索引
monthIndex: 0,
// 月份滚动区域的高度
listHeight: 0,
// month组件中选择的日期数组
selected: [],
scrollIntoView: '',
scrollIntoViewScroll: '',
scrollTop:0,
timePickerShow: false,
timePickerTarget: 'single',
timePickerValue: [0, 0, 0],
hourOptions: [],
minuteOptions: [],
secondOptions: [],
singleTime: '00:00',
rangeStartTime: '00:00',
rangeEndTime: '00:00',
// 过滤处理方法
innerFormatter: (value) => value
}
},
watch: {
scrollIntoView: {
immediate: true,
handler(n) {
// console.log('scrollIntoView', n)
}
},
selectedChange: {
immediate: true,
handler(n) {
this.setMonth()
}
},
timePrecision() {
this.initTimeOptions()
this.initTimeValues()
},
defaultTime() {
this.initTimeValues()
},
// 打开弹窗时,设置月份数据
show: {
immediate: true,
handler(n) {
if (n) {
this.setMonth()
} else {
// 关闭时重置scrollIntoView,否则会出现二次打开日历,当前月份数据显示不正确。
// scrollIntoView需要有一个值变动过程,才会产生作用。
this.scrollIntoView = ''
}
}
}
},
computed: {
// 由于maxDate和minDate可以为字符串(2021-10-10),或者数值(时间戳),但是dayjs如果接受字符串形式的时间戳会有问题,这里进行处理
innerMaxDate() {
return test.number(this.maxDate)
? Number(this.maxDate)
: this.maxDate
},
innerMinDate() {
return test.number(this.minDate)
? Number(this.minDate)
: this.minDate
},
todayDate() {
return dayjs().format('YYYY-MM-DD')
},
todayText() {
return t('up.calendar.today')
},
todayDisabled() {
const today = dayjs(this.todayDate)
const minDate = this.innerMinDate
? dayjs(this.innerMinDate)
: null
const maxDate = this.innerMaxDate
? dayjs(this.innerMaxDate)
: null
if (minDate && today.isBefore(minDate, 'day')) {
return true
}
if (maxDate && today.isAfter(maxDate, 'day')) {
return true
}
return false
},
// 多个条件的变化,会引起选中日期的变化,这里统一管理监听
selectedChange() {
return [this.innerMinDate, this.innerMaxDate, this.defaultDate]
},
subtitle() {
// 初始化时,this.months为空数组,所以需要特别判断处理
if (this.months.length) {
if (uni.getLocale() == 'zh-Hans' || uni.getLocale() == 'zh-Hant') {
return this.months[this.monthIndex].year + '年' + (this.months[this.monthIndex].month < 10 ? '0' + this.months[this.monthIndex].month : this.months[this.monthIndex].month) + '月'
} else {
return (this.months[this.monthIndex].month < 10 ? '0' + this.months[this.monthIndex].month : this.months[this.monthIndex].month) + '/' + this.months[this.monthIndex].year
}
} else {
return ''
}
},
currentMonths() {
if (this.monthSwitch && this.months.length) {
return [this.months[this.monthIndex]]
}
return this.months
},
switchPrevDisabled() {
return this.monthIndex <= 0
},
switchNextDisabled() {
return this.monthIndex >= this.months.length - 1
},
switchPrevYearDisabled() {
return this.monthIndex - 12 < 0
},
switchNextYearDisabled() {
return this.monthIndex + 12 > this.months.length - 1
},
showTimePanel() {
if (!this.enableTime) return false
if (this.mode === 'single') return true
if (this.mode === 'range' && this.rangeResultMode === 'boundary') {
return true
}
return false
},
singleDateLabel() {
return this.selected[0] || '--'
},
rangeStartDateLabel() {
return this.selected[0] || '--'
},
rangeEndDateLabel() {
if (this.selected.length >= 2) {
return this.selected[this.selected.length - 1]
}
return '--'
},
buttonDisabled() {
// 如果为range类型,且选择的日期个数不足1个时,让底部的按钮出于disabled状态
if (this.mode === 'range') {
if (this.selected.length <= 1) {
return true
} else {
return false
}
} else {
return false
}
}
},
mounted() {
this.start = Date.now()
this.init()
},
emits: ["confirm", "close"],
methods: {
addUnit,
padTime(num) {
return String(num).padStart(2, '0')
},
initTimeOptions() {
this.hourOptions = Array.from({ length: 24 }, (_, i) => this.padTime(i))
this.minuteOptions = Array.from({ length: 60 }, (_, i) => this.padTime(i))
this.secondOptions = Array.from({ length: 60 }, (_, i) => this.padTime(i))
},
parseTimeValue(value = '') {
const raw = String(value || '').trim()
const parts = raw.length ? raw.split(':') : []
const getNumber = (index, max) => {
const current = Number(parts[index] || 0)
if (Number.isNaN(current)) return 0
return Math.max(0, Math.min(max, current))
}
const hour = getNumber(0, 23)
const minute = getNumber(1, 59)
const second = getNumber(2, 59)
return [hour, minute, second]
},
getDefaultTimeValue() {
const [hour, minute, second] = this.parseTimeValue(this.defaultTime)
if (this.timePrecision === 'hour') {
return this.padTime(hour)
}
if (this.timePrecision === 'second') {
return `${this.padTime(hour)}:${this.padTime(minute)}:${this.padTime(second)}`
}
return `${this.padTime(hour)}:${this.padTime(minute)}`
},
initTimeValues() {
const value = this.getDefaultTimeValue()
this.singleTime = value
this.rangeStartTime = value
this.rangeEndTime = value
},
timeToPickerValue(value = '') {
const [hour, minute, second] = this.parseTimeValue(value)
return [hour, minute, second]
},
pickerValueToTime(value = []) {
const hour = Number(value[0] || 0)
const minute = Number(value[1] || 0)
const second = Number(value[2] || 0)
if (this.timePrecision === 'hour') {
return this.padTime(hour)
}
if (this.timePrecision === 'second') {
return `${this.padTime(hour)}:${this.padTime(minute)}:${this.padTime(second)}`
}
return `${this.padTime(hour)}:${this.padTime(minute)}`
},
openTimePicker(target) {
this.timePickerTarget = target
let currentValue = this.singleTime
if (target === 'start') currentValue = this.rangeStartTime
if (target === 'end') currentValue = this.rangeEndTime
this.timePickerValue = this.timeToPickerValue(currentValue)
this.timePickerShow = true
},
onTimePickerChange(e) {
this.timePickerValue = e.detail.value
},
closeTimePicker() {
this.timePickerShow = false
},
confirmTimePicker() {
const value = this.pickerValueToTime(this.timePickerValue)
if (this.timePickerTarget === 'single') this.singleTime = value
if (this.timePickerTarget === 'start') this.rangeStartTime = value
if (this.timePickerTarget === 'end') this.rangeEndTime = value
this.timePickerShow = false
},
timeToSecond(timeText = '') {
const [hour, minute, second] = this.parseTimeValue(timeText)
return hour * 3600 + minute * 60 + second
},
validateSameDayRangeTime() {
if (!this.enableTime || this.mode !== 'range' || this.rangeResultMode !== 'boundary') {
return true
}
if (this.selected.length < 2) return true
const startDate = this.selected[0]
const endDate = this.selected[this.selected.length - 1]
if (startDate !== endDate) return true
const startSeconds = this.timeToSecond(this.rangeStartTime)
const endSeconds = this.timeToSecond(this.rangeEndTime)
if (endSeconds < startSeconds) {
uni.showToast({
title: '结束时间不能早于开始时间',
icon: 'none'
})
return false
}
return true
},
appendTime(dateText, timeText) {
return `${dateText} ${timeText}`
},
getConfirmValue(selected = this.selected) {
let result = selected
if (
this.mode === 'range' &&
this.rangeResultMode === 'boundary' &&
selected.length >= 2
) {
const len = selected.length - 1
result = [selected[0], selected[len]]
}
if (!this.showTimePanel || !this.enableTime) {
return result
}
if (this.mode === 'single' && result.length >= 1) {
return [this.appendTime(result[0], this.singleTime)]
}
if (this.mode === 'range' && this.rangeResultMode === 'boundary' && result.length >= 2) {
return [
this.appendTime(result[0], this.rangeStartTime),
this.appendTime(result[1], this.rangeEndTime)
]
}
return result
},
// 在微信小程序中,不支持将函数当做props参数,故只能通过ref形式调用
setFormatter(e) {
this.innerFormatter = e
},
// month组件内部选择日期后,通过事件通知给父组件
monthSelected(e,scene ='init') {
this.selected = e
if (!this.showConfirm) {
// 在不需要确认按钮的情况下,如果为单选,或者范围多选且已选长度大于2,则直接进行返还
if (
this.mode === 'multiple' ||
this.mode === 'single' ||
(this.mode === 'range' && this.selected.length >= 2)
) {
if( scene === 'init'){
return
}
if( scene === 'tap') {
if (!this.validateSameDayRangeTime()) return
this.$emit('confirm', this.getConfirmValue())
}
}
}
},
init() {
// 校验maxDate,不能小于minDate。
if (
this.innerMaxDate &&
this.innerMinDate &&
new Date(this.innerMaxDate).getTime() < new Date(this.innerMinDate).getTime()
) {
return error('maxDate不能小于minDate时间')
}
// 滚动区域的高度
let bottomPadding = 0;
if (this.pageInline) {
bottomPadding = 0
} else {
bottomPadding = 30
}
this.listHeight = this.rowHeight * (this.monthSwitch ? 6 : 5) + bottomPadding
this.initTimeOptions()
this.initTimeValues()
this.setMonth()
},
close() {
this.$emit('close')
},
// 点击确定按钮
confirm() {
if (!this.buttonDisabled) {
if (!this.validateSameDayRangeTime()) return
this.$emit('confirm', this.getConfirmValue())
}
},
// 获得两个日期之间的月份数
getMonths(minDate, maxDate) {
const minYear = dayjs(minDate).year()
const minMonth = dayjs(minDate).month() + 1
const maxYear = dayjs(maxDate).year()
const maxMonth = dayjs(maxDate).month() + 1
return (maxYear - minYear) * 12 + (maxMonth - minMonth) + 1
},
// 设置月份数据
setMonth() {
// 最小日期的毫秒数
const minDate = this.innerMinDate || dayjs().valueOf()
// 如果没有指定最大日期,则往后推3个月
const maxDate =
this.innerMaxDate ||
dayjs(minDate)
.add(this.monthNum - 1, 'month')
.valueOf()
// 最大最小月份之间的共有多少个月份,
const months = range(
1,
this.monthNum,
this.getMonths(minDate, maxDate)
)
// 先清空数组
this.months = []
for (let i = 0; i < months; i++) {
this.months.push({
date: new Array(
dayjs(minDate).add(i, 'month').daysInMonth()
)
.fill(1)
.map((item, index) => {
// 日期,取值1-31
let day = index + 1
// 星期,0-6,0为周日
const week = dayjs(minDate)
.add(i, 'month')
.date(day)
.day()
const date = dayjs(minDate)
.add(i, 'month')
.date(day)
.format('YYYY-MM-DD')
let bottomInfo = ''
if (this.showLunar) {
// 将日期转为农历格式
const lunar = Calendar.solar2lunar(
dayjs(date).year(),
dayjs(date).month() + 1,
dayjs(date).date()
)
bottomInfo = lunar.IDayCn
}
let config = {
day,
week,
// 小于最小允许的日期,或者大于最大的日期,则设置为disabled状态
disabled:
dayjs(date).isBefore(
dayjs(minDate).format('YYYY-MM-DD')
) ||
dayjs(date).isAfter(
dayjs(maxDate).format('YYYY-MM-DD')
),
// 返回一个日期对象,供外部的formatter获取当前日期的年月日等信息,进行加工处理
date: new Date(date),
bottomInfo,
dot: false,
month:
dayjs(minDate).add(i, 'month').month() + 1
}
const formatter =
this.formatter || this.innerFormatter
return formatter(config)
}),
// 当前所属的月份
month: dayjs(minDate).add(i, 'month').month() + 1,
// 当前年份
year: dayjs(minDate).add(i, 'month').year()
})
}
if (this.monthSwitch) {
this.monthIndex = this.getDefaultMonthIndex()
}
},
getDefaultMonthIndex() {
let selected = dayjs().format('YYYY-MM')
if (this.defaultDate) {
if (!test.array(this.defaultDate)) {
selected = dayjs(this.defaultDate).format('YYYY-MM')
} else if (this.defaultDate.length) {
selected = dayjs(this.defaultDate[0]).format('YYYY-MM')
}
}
const index = this.months.findIndex(({ year, month }) => {
return `${year}-${padZero(month)}` === selected
})
return index === -1 ? 0 : index
},
prevMonth() {
if (!this.switchPrevDisabled) {
this.monthIndex -= 1
}
},
nextMonth() {
if (!this.switchNextDisabled) {
this.monthIndex += 1
}
},
prevYear() {
if (!this.switchPrevYearDisabled) {
this.monthIndex -= 12
}
},
nextYear() {
if (!this.switchNextYearDisabled) {
this.monthIndex += 12
}
},
jumpToToday() {
if (this.todayDisabled) {
return
}
const targetMonth = dayjs(this.todayDate).format('YYYY-MM')
const selectToday = () => {
if (this.mode === 'range') {
return
}
this.$refs.month && this.$refs.month.selectDate(this.todayDate)
}
if (this.monthSwitch) {
const todayMonthIndex = this.months.findIndex(({ year, month }) => {
return `${year}-${padZero(month)}` === targetMonth
})
if (todayMonthIndex !== -1) {
this.monthIndex = todayMonthIndex
this.$nextTick(selectToday)
}
return
}
this.scrollIntoDefaultMonth(targetMonth)
this.$nextTick(selectToday)
},
// 滚动到默认设置的月份
scrollIntoDefaultMonth(selected) {
// 查询默认日期在可选列表的下标
const _index = this.months.findIndex(({
year,
month
}) => {
month = padZero(month)
return `${year}-${month}` === selected
})
if (_index !== -1) {
// #ifndef MP-WEIXIN
this.$nextTick(() => {
this.scrollIntoView = ''
this.scrollIntoView = `month-${_index}`
this.scrollIntoViewScroll = this.scrollIntoView
})
// #endif
// #ifdef MP-WEIXIN
this.scrollTop = this.months[_index].top || 0;
// #endif
}
},
// scroll-view滚动监听
onScroll(event) {
// 不允许小于0的滚动值,如果scroll-view到顶了,继续下拉,会出现负数值
const scrollTop = Math.max(0, event.detail.scrollTop)
// 将当前滚动条数值,除以滚动区域的高度,可以得出当前滚动到了哪一个月份的索引
for (let i = 0; i < this.months.length; i++) {
if (scrollTop >= (this.months[i].top || this.listHeight)) {
this.monthIndex = i
this.scrollIntoViewScroll = `month-${i}`
}
}
},
// 更新月份的top值
onUpdateMonthTop(topArr = []) {
if (this.monthSwitch) {
return
}
this.updateMonthTop(topArr)
},
updateMonthTop(topArr = []) {
// 设置对应月份的top值,用于onScroll方法更新月份
topArr.map((item, index) => {
this.months[index].top = item
})
// 获取默认日期的下标
if (!this.defaultDate) {
// 如果没有设置默认日期,则将当天日期设置为默认选中的日期
const selected = dayjs().format("YYYY-MM")
this.scrollIntoDefaultMonth(selected)
return
}
let selected = dayjs().format("YYYY-MM");
// 单选模式,可以是字符串或数组,Date对象等
if (!test.array(this.defaultDate)) {
selected = dayjs(this.defaultDate).format("YYYY-MM")
} else {
selected = dayjs(this.defaultDate[0]).format("YYYY-MM");
}
this.scrollIntoDefaultMonth(selected)
}
}
}
</script>
<style lang="scss" scoped>
.u-calendar {
color: var(--up-main-color, $u-main-color);
background-color: var(--up-card-bg-color, #ffffff);
&__time-panel {
padding: 8px 16px 0;
}
&__time-row {
height: 34px;
display: flex;
align-items: center;
justify-content: space-between;
margin-bottom: 6px;
}
&__time-date {
font-size: 13px;
color: #303133;
}
&__time-trigger {
min-width: 92px;
height: 30px;
padding: 0 10px;
border-radius: 15px;
border: 1px solid #dcdfe6;
display: flex;
align-items: center;
justify-content: center;
}
&__time-text {
font-size: 14px;
color: #303133;
}
&__time-picker {
width: 320px;
background-color: #ffffff;
border-radius: 8px;
overflow: hidden;
}
&__time-picker__header {
height: 44px;
padding: 0 14px;
display: flex;
align-items: center;
justify-content: space-between;
border-bottom: 1px solid #f0f0f0;
}
&__time-picker__cancel {
font-size: 14px;
color: #909399;
}
&__time-picker__title {
font-size: 15px;
color: #303133;
font-weight: 600;
}
&__time-picker__confirm {
font-size: 14px;
color: #3c9cff;
}
&__time-picker__body {
width: 320px;
height: 200px;
}
&__time-picker__item {
height: 40px;
line-height: 40px;
text-align: center;
font-size: 16px;
color: #303133;
}
&__confirm {
padding: 7px 18px;
}
}
</style>