<template>
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<div>
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<template v-for="(item, index) in options">
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<template v-if="values.includes(item.value)">
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<span
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v-if="(item.elTagType == 'default' || item.elTagType == '') && (item.elTagClass == '' || item.elTagClass == null)"
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:key="item.value"
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:index="index"
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:class="item.elTagClass"
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>{{ item.label + " " }}</span
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>
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<el-tag
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v-else
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:disable-transitions="true"
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:key="item.value + ''"
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:index="index"
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:type="item.elTagType === 'primary' ? '' : item.elTagType"
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:class="item.elTagClass"
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>{{ item.label + " " }}</el-tag
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>
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</template>
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</template>
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<template v-if="unmatch && showValue">
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{{ unmatchArray | handleArray }}
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</template>
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</div>
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</template>
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<script setup>
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// // 记录未匹配的项
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const unmatchArray = ref([]);
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const props = defineProps({
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// 数据
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options: {
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type: Array,
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default: null,
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},
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// 当前的值
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value: [Number, String, Array],
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// 当未找到匹配的数据时，显示value
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showValue: {
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type: Boolean,
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default: true,
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},
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});
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const values = computed(() => {
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if (props.value !== null && typeof props.value !== "undefined") {
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return Array.isArray(props.value) ? props.value : [String(props.value)];
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} else {
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return [];
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}
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});
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const unmatch = computed(() => {
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unmatchArray.value = [];
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if (props.value !== null && typeof props.value !== "undefined") {
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// 传入值为非数组
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if (!Array.isArray(props.value)) {
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if (props.options.some((v) => v.value == props.value)) return false;
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unmatchArray.value.push(props.value);
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return true;
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}
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// 传入值为Array
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props.value.forEach((item) => {
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if (!props.options.some((v) => v.value == item))
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unmatchArray.value.push(item);
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});
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return true;
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}
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// 没有value不显示
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return false;
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});
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function handleArray(array) {
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if (array.length === 0) return "";
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return array.reduce((pre, cur) => {
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return pre + " " + cur;
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});
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}
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</script>
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<style scoped>
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.el-tag + .el-tag {
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margin-left: 10px;
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}
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</style>
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