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33 lines
725 B
Vue
33 lines
725 B
Vue
<template>
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<li>
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<!-- 节点标题 + 展开按钮 -->
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<div @click="toggleExpand(node)">
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<span v-if="hasChildren">{{ node.expanded ? "▼" : "▶" }}</span>
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{{ node.Name }}
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</div>
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<!-- 递归渲染子节点 -->
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<ul v-if="hasChildren">
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<TreeItem v-for="child in node.children" :key="child.Id" :node="child" />
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</ul>
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</li>
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</template>
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<script setup>
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import { computed } from "vue";
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const props = defineProps({
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node: Object, // 节点数据
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});
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// 检查是否有子节点
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const hasChildren = computed(() => props.node.children?.length > 0);
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// 切换展开状态
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const toggleExpand = (node) => {
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if (hasChildren.value) {
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node.expanded = !node.expanded;
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}
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};
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</script>
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