475 lines
11 KiB
Vue
475 lines
11 KiB
Vue
<template>
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<view class="calendar">
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<view class="header">
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<view class="header-title">
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<view class="head-left">
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<image class="head-img" src="/static/index/calendar/superleft.png" @click="prevYear" />
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<image class="head-img" src="/static/index/calendar/left.png" @click="prevMonth" />
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</view>
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<view class="year-month">{{ year }}年{{ month + 1 }}月</view>
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<view class="head-left">
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<image class="head-img" src="/static/index/calendar/right.png" @click="nextMonth" />
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<image class="head-img" src="/static/index/calendar/superright.png" @click="nextYear" />
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</view>
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</view>
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<view class="weekdays">
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<view v-for="(day, idx) in weekdays" :key="idx" class="weekday">{{ day }}</view>
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</view>
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</view>
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<view class="days">
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<view v-for="cell in cells" :key="cell.key" class="day-cell" :class="{
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'prev-month': cell.prev,
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'next-month': cell.next,
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'selected': isSelected(cell.key),
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'disabled': isDisabled(cell)
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}" @click="selectDate(cell)">
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<view class="gregorian">{{ cell.dateText }}</view>
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<view class="lunar" v-if="cell.lunarText">{{ cell.lunarText }}</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 setup>
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import {
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ref,
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computed,
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watch
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} from 'vue';
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import solarlunar from 'solarlunar'; // npm install solarlunar
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// 支持对象和旧类型(String/Date/Number)
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const props = defineProps({
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modelValue: {
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type: [String, Date, Number, Object],
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default: null
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}
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});
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const emit = defineEmits(['update:modelValue', 'datachange']);
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// 当前视图年月
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const now = new Date();
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const year = ref(now.getFullYear());
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const month = ref(now.getMonth()); // 0-based
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// 选中 key(YYYY-MM-DD 格式字符串)或 null
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const selectedKey = ref(null);
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// 如果外部传入的是对象,我们记录这个事实,以便 emit 回对象
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let incomingWasObject = false;
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// 保存时间部分(针对字符串/Date/Number 输入)
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// 如果输入是对象,则不使用时间部分
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let lastKnownTime = null;
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// 辅助:把年月日转成便于比较的数字 YYYYMMDD(m 为 0-based)
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function toDateNumber(y, m, d) {
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const mm = m + 1;
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return y * 10000 + mm * 100 + d;
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}
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// 获取今天的 YYYYMMDD(按本地时间)
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function getTodayNumber() {
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const d = new Date();
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return toDateNumber(d.getFullYear(), d.getMonth(), d.getDate());
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}
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// 格式化 key(m 0-base => 输出两位)
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function formatKey(y, m, d) {
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const mm = String(m + 1).padStart(2, '0');
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const dd = String(d).padStart(2, '0');
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return `${y}-${mm}-${dd}`;
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}
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const weekdays = ['一', '二', '三', '四', '五', '六', '日'];
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const firstWeekdayOfMonth = (y, m) => {
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const d = new Date(y, m, 1).getDay(); // 0 (Sun) - 6 (Sat)
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return (d + 6) % 7; // Monday=0 .. Sunday=6
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};
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// 生成 cells(和你原来逻辑一致)
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function buildCells(y, m) {
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const list = [];
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const prevDate = new Date(y, m, 0);
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const prevYear = prevDate.getFullYear();
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const prevMonth = prevDate.getMonth();
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const prevTotal = prevDate.getDate();
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const startOffset = firstWeekdayOfMonth(y, m);
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for (let i = 0; i < startOffset; i++) {
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const day = prevTotal - startOffset + i + 1;
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const lunar = solarlunar.solar2lunar(prevYear, prevMonth + 1, day);
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list.push({
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key: `prev-${prevYear}-${prevMonth + 1}-${day}`,
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dateText: day,
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lunarText: lunar ? lunar.dayCn : '',
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prev: true,
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next: false,
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year: prevYear,
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month: prevMonth,
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day,
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dateNumber: toDateNumber(prevYear, prevMonth, day),
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});
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}
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const totalDays = new Date(y, m + 1, 0).getDate();
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for (let d = 1; d <= totalDays; d++) {
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const lunar = solarlunar.solar2lunar(y, m + 1, d);
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list.push({
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key: formatKey(y, m, d),
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dateText: d,
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lunarText: lunar ? lunar.dayCn : '',
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prev: false,
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next: false,
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year: y,
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month: m,
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day: d,
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dateNumber: toDateNumber(y, m, d),
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});
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}
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const need = 42 - list.length;
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for (let i = 1; i <= need; i++) {
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const nd = new Date(y, m + 1, i);
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const ny = nd.getFullYear();
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const nm = nd.getMonth();
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const lunar = solarlunar.solar2lunar(ny, nm + 1, i);
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list.push({
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key: `next-${ny}-${nm + 1}-${i}`,
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dateText: i,
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lunarText: lunar ? lunar.dayCn : '',
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prev: false,
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next: true,
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year: ny,
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month: nm,
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day: i,
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dateNumber: toDateNumber(ny, nm, i),
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});
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}
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return list;
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}
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const cells = computed(() => buildCells(year.value, month.value));
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function isSelected(key) {
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return selectedKey.value === key;
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}
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// 是否禁用(大于今天)
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function isDisabled(cell) {
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// 只按年月日比较(cell.month 已是 0-based)
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return toDateNumber(cell.year, cell.month, cell.day) > getTodayNumber();
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}
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// 解析外部 modelValue,返回 { y, m (1-12), d, time|null, isObject:boolean } 或 null
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function parseIncomingModel(val) {
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if (val == null) return null;
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// 对象形式(优先)
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if (typeof val === 'object' && !(val instanceof Date) && !Array.isArray(val)) {
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const hasYear = val.year != null && Number(val.year) > 0;
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const hasMonth = val.month != null && String(val.month).trim() !== '';
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const hasDay = val.day != null && String(val.day).trim() !== '';
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if (!hasYear || !hasMonth || !hasDay) {
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return null;
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}
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const y = Number(val.year);
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const m = Number(val.month);
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const d = Number(val.day);
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if (isNaN(y) || isNaN(m) || isNaN(d)) return null;
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return {
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y,
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m,
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d,
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time: null,
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isObject: true
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};
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}
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// Date 对象
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if (val instanceof Date) {
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return {
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y: val.getFullYear(),
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m: val.getMonth() + 1,
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d: val.getDate(),
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time: `${String(val.getHours()).padStart(2, '0')}:${String(val.getMinutes()).padStart(2,'0')}:${String(val.getSeconds()).padStart(2,'0')}`,
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isObject: false
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};
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}
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// 数字 -> 视为时间戳
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if (typeof val === 'number') {
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const dObj = new Date(val);
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if (isNaN(dObj.getTime())) return null;
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return {
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y: dObj.getFullYear(),
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m: dObj.getMonth() + 1,
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d: dObj.getDate(),
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time: `${String(dObj.getHours()).padStart(2,'0')}:${String(dObj.getMinutes()).padStart(2,'0')}:${String(dObj.getSeconds()).padStart(2,'0')}`,
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isObject: false
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};
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}
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// 字符串:支持 YYYY-MM-DD、YYYY-MM-DD hh:mm[:ss]
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if (typeof val === 'string') {
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const parts = val.trim().split(/[ T]/);
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const datePart = parts[0];
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const timePart = parts[1] || null;
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const m = datePart.match(/^(\d{4})-(\d{1,2})-(\d{1,2})$/);
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if (m) {
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return {
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y: Number(m[1]),
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m: Number(m[2]),
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d: Number(m[3]),
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time: timePart ? timePart.split('.')[0] : null,
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isObject: false
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};
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}
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// 回退 new Date
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const dt = new Date(val);
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if (!isNaN(dt.getTime())) {
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return {
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y: dt.getFullYear(),
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m: dt.getMonth() + 1,
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d: dt.getDate(),
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time: `${String(dt.getHours()).padStart(2,'0')}:${String(dt.getMinutes()).padStart(2,'0')}:${String(dt.getSeconds()).padStart(2,'0')}`,
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isObject: false
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};
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}
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return null;
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}
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return null;
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}
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// 把 props.modelValue 应用到组件(设置视图年月、选中项)
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// 注意:如果传入日期 > 今天,则不会被设为选中(保持 UI 与“禁用未来日”的逻辑一致)
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function applyModelValue(val) {
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const parsed = parseIncomingModel(val);
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if (!parsed) {
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selectedKey.value = null;
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lastKnownTime = null;
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incomingWasObject = false;
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return;
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}
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incomingWasObject = !!parsed.isObject;
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const parsedDateNumber = toDateNumber(parsed.y, parsed.m - 1, parsed.d);
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if (parsedDateNumber > getTodayNumber()) {
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// 传入是未来日期 -> 不选中(如果你想保留初始选中,请改这里)
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selectedKey.value = null;
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lastKnownTime = null;
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// 仍把视图切到该年月以便用户看到传入的年月(可选:若不想切换可注释下面)
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year.value = parsed.y;
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month.value = parsed.m - 1;
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return;
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}
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// 设置视图到对应月份(parsed.m 是 1-12)
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year.value = parsed.y;
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month.value = parsed.m - 1;
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selectedKey.value = formatKey(parsed.y, parsed.m - 1, parsed.d);
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lastKnownTime = parsed.time || null;
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}
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// 组件初始化时应用一次
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applyModelValue(props.modelValue);
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// 监听外部 modelValue 变化(同步)
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watch(() => props.modelValue, (v) => {
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applyModelValue(v);
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});
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// 选择日期(单选,重复点击取消)
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// 当外部传入对象时,emit 回对象;否则 emit 字符串(与旧行为兼容)
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function selectDate(cell) {
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// 禁用或跨月的格子不可选
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if (cell.prev || cell.next) return;
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if (isDisabled(cell)) return;
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const key = formatKey(cell.year, cell.month, cell.day);
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// 取消选择
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if (selectedKey.value === key) {
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selectedKey.value = null;
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emit('update:modelValue', null);
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emit('datachange', {
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date: null
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});
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return;
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}
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// 选中
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selectedKey.value = key;
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if (incomingWasObject) {
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// 重点:返回的 month 和 day 都是两位字符串(带前导 0)
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const outObj = {
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year: cell.year,
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month: String(cell.month + 1).padStart(2, '0'),
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day: String(cell.day).padStart(2, '0')
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};
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emit('update:modelValue', outObj);
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emit('datachange', {
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date: outObj
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});
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} else {
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let outStr = key;
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if (lastKnownTime) outStr = `${key} ${lastKnownTime}`;
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emit('update:modelValue', outStr);
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emit('datachange', {
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date: outStr
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});
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}
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}
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// 年月切换
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function prevMonth() {
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if (month.value === 0) {
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year.value--;
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month.value = 11;
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} else {
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month.value--;
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}
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}
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function nextMonth() {
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if (month.value === 11) {
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year.value++;
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month.value = 0;
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} else {
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month.value++;
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}
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}
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function prevYear() {
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year.value--;
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}
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function nextYear() {
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year.value++;
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}
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</script>
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<style scoped lang="less">
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.calendar {
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padding: 16px;
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background: #fff;
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border-radius: 30rpx;
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box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
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margin: 0 auto;
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overflow: hidden;
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}
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.header {
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width: 100%;
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display: flex;
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flex-direction: column;
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}
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.header-title {
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width: 100%;
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 10rpx;
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}
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.year-month {
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font-size: 18px;
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font-weight: bold;
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}
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.weekdays {
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display: flex;
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background-color: #F8F8FA;
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border-radius: 18rpx;
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padding: 8rpx;
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margin-top: 8rpx;
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}
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.weekday {
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flex: 1;
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text-align: center;
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font-size: 12px;
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}
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.days {
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display: flex;
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flex-wrap: wrap;
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padding: 8rpx 0;
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}
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.day-cell {
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width: calc(100% / 7);
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height: 78rpx;
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text-align: center;
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padding-top: 8rpx;
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box-sizing: border-box;
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position: relative;
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cursor: pointer;
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}
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/* 前后月份灰色显示 */
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.day-cell.prev-month .gregorian,
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.day-cell.next-month .gregorian {
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color: #ccc;
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}
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/* 禁用(未来日期)样式 & 行为 */
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.day-cell.disabled {
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pointer-events: none;
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/* 完全不可点击 */
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opacity: 1;
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/* 保持背景,但把文字变灰 */
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}
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.day-cell.disabled .gregorian,
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.day-cell.disabled .lunar {
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color: #ccc !important;
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}
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/* 选中(单选)样式 */
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.day-cell.selected {
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background-color: #0B98DC;
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border-radius: 8rpx;
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}
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.day-cell.selected .gregorian,
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.day-cell.selected .lunar {
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color: #fff;
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}
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.gregorian {
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font-size: 14px;
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}
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.lunar {
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font-size: 10px;
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color: #888;
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}
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.head-left {
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width: 100rpx;
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display: flex;
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justify-content: space-between;
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.head-img {
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width: 40rpx;
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height: 40rpx;
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}
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}
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</style> |