<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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<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"
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:class="item.elTagClass"
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>{{ item.label + " " }}</el-tag>
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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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separator: {
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type: String,
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default: ",",
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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' || props.value === '') return [];
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return Array.isArray(props.value) ? props.value.map(item => '' + item) : String(props.value).split(props.separator);
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});
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const unmatch = computed(() => {
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unmatchArray.value = [];
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// 没有value不显示
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if (props.value === null || typeof props.value === 'undefined' || props.value === '' || !Array.isArray(props.options) || props.options.length === 0) return false
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// 传入值为数组
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let unmatch = false // 添加一个标志来判断是否有未匹配项
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values.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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unmatch = true // 如果有未匹配项，将标志设置为true
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}
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})
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return unmatch // 返回标志的值
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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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