<script setup>
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import { ref, watch } from 'vue';
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import { Button, Input } from 'ant-design-vue';
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const props = defineProps({
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value: {
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type: String,
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default: '',
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},
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});
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const emit = defineEmits(['change']);
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const units = [
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{ key: 'Y', label: '年', presets: [1, 2, 3, 4] },
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{ key: 'M', label: '月', presets: [1, 2, 3, 4] },
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{ key: 'D', label: '天', presets: [1, 2, 3, 4] },
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{ key: 'H', label: '时', presets: [4, 8, 12, 24] },
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{ key: 'm', label: '分', presets: [5, 10, 30, 50] },
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{ key: 'S', label: '秒', presets: [5, 10, 30, 50] },
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];
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const custom = ref({ Y: '', M: '', D: '', H: '', m: '', S: '' });
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const isoString = ref('');
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function setUnit(key, val) {
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if (!val || Number.isNaN(val)) {
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custom.value[key] = '';
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return;
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}
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custom.value[key] = val;
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updateIsoString();
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}
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function updateIsoString() {
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let str = 'P';
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if (custom.value.Y) str += `${custom.value.Y}Y`;
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if (custom.value.M) str += `${custom.value.M}M`;
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if (custom.value.D) str += `${custom.value.D}D`;
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if (custom.value.H || custom.value.m || custom.value.S) str += 'T';
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if (custom.value.H) str += `${custom.value.H}H`;
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if (custom.value.m) str += `${custom.value.m}M`;
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if (custom.value.S) str += `${custom.value.S}S`;
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isoString.value = str === 'P' ? '' : str;
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emit('change', isoString.value);
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}
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watch(
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() => props.value,
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(val) => {
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if (!val) return;
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// 解析ISO 8601字符串到custom
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const match = val.match(
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/^P(?:(\d+)Y)?(?:(\d+)M)?(?:(\d+)D)?(?:T(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)S)?)?$/,
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);
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if (match) {
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custom.value.Y = match[1] || '';
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custom.value.M = match[2] || '';
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custom.value.D = match[3] || '';
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custom.value.H = match[4] || '';
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custom.value.m = match[5] || '';
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custom.value.S = match[6] || '';
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updateIsoString();
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}
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},
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{ immediate: true },
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);
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</script>
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<template>
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<div>
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<div class="mb-2.5">
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当前选择：<Input v-model:value="isoString" readonly class="w-[300px]" />
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</div>
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<div v-for="unit in units" :key="unit.key" class="mb-2">
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<span>{{ unit.label }}：</span>
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<Button.Group>
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<Button
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v-for="val in unit.presets"
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:key="val"
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size="small"
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@click="setUnit(unit.key, val)"
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>
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{{ val }}
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</Button>
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<Input
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v-model:value="custom[unit.key]"
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size="small"
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class="ml-2 w-[60px]"
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placeholder="自定义"
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@change="setUnit(unit.key, custom[unit.key])"
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/>
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</Button.Group>
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</div>
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</div>
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</template>
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