liyuanchao
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315 lines
8.8 KiB
Vue
315 lines
8.8 KiB
Vue
<template>
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<view class="calendar-container">
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<!-- 展开/收起按钮，可以外部隐藏 -->
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<!-- <view class="calendar-header">
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<button size="mini" @click="toggleMode">
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{{ mode === 'month' ? '收起为周' : '展开为月' }}
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</button>
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<text>{{ displayTitle }}</text>
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</view> -->
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<view
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class="calendar-content"
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@touchstart="onTouchStart"
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@touchmove="onTouchMove"
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@touchend="onTouchEnd"
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:style="{ height: mode === 'month' ? '450rpx' : '120rpx', transition: 'height 0.3s' }"
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>
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<!-- 星期栏 -->
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<view class="calendar-week">
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<text v-for="(w, i) in weeks" :key="i">{{ w }}</text>
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</view>
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<!-- 日期 -->
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<view class="calendar-days">
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<view
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v-for="(item, i) in renderDays"
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:key="i"
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:class="{
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'calendar-day': true,
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'today': item.isToday,
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'selected': isSelected(item),
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'other-month': item.otherMonth
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}"
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@click="selectDate(item)"
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>
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{{ item.day || '' }}
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</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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name: 'CustomCalendar',
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props: {
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initialMode: { type: String, default: 'month' }, // 'month' or 'week'
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initialDate: { type: String, default: '' },
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allowWeekSwitch: { type: Boolean, default: false } // 控制是否允许上下滑切换
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},
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data() {
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const today = new Date()
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return {
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mode: this.initialMode,
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selected: this.initialDate || this.formatDate(today),
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weeks: ['日', '一', '二', '三', '四', '五', '六'],
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renderDays: [],
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touchStartX: 0,
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touchStartY: 0,
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touchMoveX: 0,
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touchMoveY: 0,
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anchorDate: new Date() // 当前视图基准日期
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}
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},
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computed: {
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displayTitle() {
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return `${this.anchorDate.getFullYear()}年${this.anchorDate.getMonth() + 1}月`
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}
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},
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watch: {
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mode(newMode, oldMode) {
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this.generateRenderDays()
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// 通知父组件mode已改变
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this.$emit('modeChange', newMode);
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},
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selected() {
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this.generateRenderDays()
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}
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},
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mounted() {
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this.anchorDate = this.safeDate(this.selected)
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this.generateRenderDays()
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},
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methods: {
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// =================== 日期工具 ===================
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formatDate(date) {
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const y = date.getFullYear()
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const m = date.getMonth() + 1
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const d = date.getDate()
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return `${y}-${m < 10 ? '0' + m : m}-${d < 10 ? '0' + d : d}`
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},
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safeDate(date) {
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return new Date(date)
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},
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startOfMonth(date) {
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const d = this.safeDate(date)
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d.setDate(1)
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return d
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},
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startOfWeek(date) {
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const d = this.safeDate(date)
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const day = d.getDay()
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d.setDate(d.getDate() - day)
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return d
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},
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pad(num) {
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return num < 10 ? '0' + num : '' + num
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},
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// =================== 渲染日历 ===================
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generateRenderDays() {
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const days = []
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if (this.mode === 'month') {
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const year = this.anchorDate.getFullYear()
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const month = this.anchorDate.getMonth() + 1
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const firstDayWeek = new Date(year, month - 1, 1).getDay()
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const monthDays = new Date(year, month, 0).getDate()
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// 上月补位
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const lastMonth = month === 1 ? 12 : month - 1
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const lastMonthYear = month === 1 ? year - 1 : year
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const lastMonthDays = new Date(lastMonthYear, lastMonth, 0).getDate()
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for (let i = 0; i < firstDayWeek; i++) {
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days.push({
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day: lastMonthDays - firstDayWeek + 1 + i,
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date: this.formatDate(new Date(lastMonthYear, lastMonth - 1, lastMonthDays - firstDayWeek + 1 + i)),
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otherMonth: true,
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isToday: false
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})
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}
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// 本月
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const todayStr = this.formatDate(new Date())
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for (let i = 1; i <= monthDays; i++) {
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const dateStr = `${year}-${this.pad(month)}-${this.pad(i)}`
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days.push({
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day: i,
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date: dateStr,
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otherMonth: false,
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isToday: dateStr === todayStr
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})
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}
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// 下月补位
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while (days.length % 7 !== 0) {
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const nextDay = days.length - (firstDayWeek + monthDays) + 1
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days.push({
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day: nextDay,
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date: this.formatDate(new Date(month === 12 ? year + 1 : year, month % 12, nextDay)),
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otherMonth: true,
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isToday: false
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})
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}
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} else {
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// 周视图
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const base = this.safeDate(this.selected)
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const weekDay = base.getDay()
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for (let i = 0; i < 7; i++) {
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const d = new Date(base)
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d.setDate(base.getDate() - weekDay + i)
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days.push({
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day: d.getDate(),
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date: this.formatDate(d),
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otherMonth: d.getMonth() !== base.getMonth(),
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isToday: this.formatDate(d) === this.formatDate(new Date())
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})
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}
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}
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this.renderDays = days
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},
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// =================== 事件 ===================
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toggleMode() {
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if (!this.allowWeekSwitch) return
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this.mode = this.mode === 'month' ? 'week' : 'month'
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this.anchorDate = this.mode === 'month' ? this.startOfMonth(this.safeDate(this.selected)) : this.startOfWeek(this.safeDate(this.selected))
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this.generateRenderDays()
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},
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selectDate(item) {
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if (!item.day) return
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this.selected = item.date
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this.$emit('dateChange', item.date)
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},
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isSelected(item) {
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return item.date === this.selected && !item.otherMonth
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},
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// =================== 滑动 ===================
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onTouchStart(e) {
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const t = e.changedTouches[0]
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this.touchStartX = t.clientX
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this.touchStartY = t.clientY
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},
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onTouchMove(e) {
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const t = e.changedTouches[0]
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this.touchMoveX = t.clientX
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this.touchMoveY = t.clientY
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},
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onTouchEnd(e) {
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const t = e.changedTouches[0]
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const endX = t.clientX
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const endY = t.clientY
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const deltaX = endX - this.touchStartX
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const deltaY = endY - this.touchStartY
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const threshold = 40
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// 垂直滑动切换周/月
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if (Math.abs(deltaY) > Math.abs(deltaX) && Math.abs(deltaY) > threshold) {
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if (!this.allowWeekSwitch) return
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if (deltaY < 0 && this.mode !== 'week') {
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this.mode = 'week'
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this.anchorDate = this.startOfWeek(this.safeDate(this.selected))
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this.generateRenderDays()
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} else if (deltaY > 0 && this.mode !== 'month') {
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this.mode = 'month'
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this.anchorDate = this.startOfMonth(this.safeDate(this.selected))
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this.generateRenderDays()
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}
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return
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}
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// 水平滑动翻页
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if (Math.abs(deltaX) > threshold && Math.abs(deltaX) >= Math.abs(deltaY)) {
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if (deltaX < 0) this.slide(1)
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else this.slide(-1)
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}
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},
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slide(direction) {
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if (this.mode === 'month') {
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const y = this.anchorDate.getFullYear()
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let m = this.anchorDate.getMonth() + 1 + direction
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let year = y
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if (m > 12) { m = 1; year++ }
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if (m < 1) { m = 12; year-- }
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// 切换后的基准日期设为该月1号
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this.anchorDate = new Date(year, m - 1, 1)
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this.selected = this.formatDate(this.anchorDate) // ✅ 选中当月1号
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this.$emit('dateChange', this.selected)
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} else {
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// 以当前 anchorDate 为基准移动周
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const d = this.safeDate(this.anchorDate)
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d.setDate(d.getDate() + direction * 7)
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// 更新基准周
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this.anchorDate = this.startOfWeek(d)
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// ✅ 选中该周周日（startOfWeek返回的就是周日）
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this.selected = this.formatDate(this.anchorDate)
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this.$emit('dateChange', this.selected)
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}
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this.generateRenderDays()
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}
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}
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}
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</script>
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<style scoped>
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.calendar-container {
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width: 100%;
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background: #fff;
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border-radius: 12rpx;
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/* box-shadow: 0 2rpx 16rpx #eee; */
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padding: 12rpx;
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}
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.calendar-header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-bottom: 8rpx;
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}
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.calendar-content {
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overflow: hidden;
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}
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.calendar-week {
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display: grid;
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grid-template-columns: repeat(7, 1fr);
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color: #999;
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font-size: 24rpx;
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padding: 8rpx 0;
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text-align: center;
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}
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.calendar-days {
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display: grid;
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grid-template-columns: repeat(7, 1fr);
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grid-auto-rows: 80rpx; /* 每个格子固定高度 */
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}
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.calendar-day {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 60rpx; /* 固定宽度 */
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height: 60rpx; /* 固定高度，和宽度一致 */
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margin: auto; /* 居中对齐，避免被挤压 */
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font-size: 30rpx;
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border-radius: 50%;
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transition: background 0.2s;
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}
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.today {
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color: #007aff;
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font-weight: bold;
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border: 1rpx solid #007aff;
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}
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.selected {
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background: #007aff;
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color: #fff;
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}
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.other-month {
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color: #ccc;
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}
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</style>
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