68 lines
2.5 KiB
Vue
68 lines
2.5 KiB
Vue
<template>
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<div class="aa-calendar">
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<div class="aa-calendar-head">
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<button class="aa-calendar-nav" @click="prev">‹</button>
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<span class="aa-calendar-title">{{ viewY }} 年 {{ viewM + 1 }} 月</span>
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<button class="aa-calendar-nav" @click="next">›</button>
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</div>
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<div class="aa-calendar-week">
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<span class="aa-calendar-weekday" v-for="w in weeks" :key="w">{{ w }}</span>
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</div>
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<div class="aa-calendar-grid">
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<div v-for="(c, i) in cells" :key="i" class="aa-calendar-cell"
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:class="{ 'is-out': c.out, 'is-today': c.today, 'is-selected': c.key === selected }"
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@click="pick(c)">{{ c.day }}</div>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, computed } from 'vue';
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const props = defineProps({ modelValue: { type: String, default: '' } });
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const emit = defineEmits(['update:modelValue', 'change']);
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const weeks = ['日', '一', '二', '三', '四', '五', '六'];
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const n = new Date();
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const viewY = ref(n.getFullYear());
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const viewM = ref(n.getMonth());
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const selected = ref(props.modelValue);
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const today = fmt(n);
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function fmt(dt) {
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const p = x => (x < 10 ? '0' + x : '' + x);
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return dt.getFullYear() + '-' + p(dt.getMonth() + 1) + '-' + p(dt.getDate());
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}
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const cells = computed(() => {
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const first = new Date(viewY.value, viewM.value, 1).getDay();
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const days = new Date(viewY.value, viewM.value + 1, 0).getDate();
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const prevDays = new Date(viewY.value, viewM.value, 0).getDate();
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const arr = [];
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for (let i = 0; i < first; i++) {
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let pd = prevDays - first + 1 + i, pm = viewM.value - 1, py = viewY.value;
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if (pm < 0) { pm = 11; py--; }
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arr.push({ day: pd, out: true, key: fmt(new Date(py, pm, pd)) });
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}
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for (let d = 1; d <= days; d++) {
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const k = fmt(new Date(viewY.value, viewM.value, d));
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arr.push({ day: d, out: false, today: k === today, key: k });
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}
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const tail = (7 - (arr.length % 7)) % 7;
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for (let t = 1; t <= tail; t++) {
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let nm = viewM.value + 1, ny = viewY.value; if (nm > 11) { nm = 0; ny++; }
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arr.push({ day: t, out: true, key: fmt(new Date(ny, nm, t)) });
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}
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return arr;
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});
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function prev() { viewM.value--; if (viewM.value < 0) { viewM.value = 11; viewY.value--; } }
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function next() { viewM.value++; if (viewM.value > 11) { viewM.value = 0; viewY.value++; } }
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function pick(c) {
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selected.value = c.key;
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viewY.value = parseInt(c.key.slice(0, 4), 10);
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viewM.value = parseInt(c.key.slice(5, 7), 10) - 1;
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emit('update:modelValue', c.key);
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emit('change', c.key);
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}
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</script>
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<style src="./Calendar.css"></style>
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