platforms/frontend/platform_admin/src/views/shared/TreePage.vue

<template><a-card :title="definition.title" :bordered="false"><template #extra><a-button @click="load">刷新</a-button></template><a-tree :data="tree" :loading="loading" :field-names="{ key: 'identity', title: 'name', children: 'children' }" /></a-card></template>
<script setup lang="ts">
import { Message } from '@arco-design/web-vue';
import { computed, onMounted, ref } from 'vue';
import { resourceApi } from '@/api/resource';
import type { ResourceUiDefinition } from '@/api/resources';
type Node = Record<string, unknown> & { identity: string; parent_identity?: string; id?: number; parent_id?: number; children: Node[] };
const props = defineProps<{ definition: ResourceUiDefinition }>();
const loading = ref(false); const list = ref<Node[]>([]);
const tree = computed(() => { const byIdentity = new Map<string, Node>(); const byInternalId = new Map<number, Node>(); const roots: Node[] = []; list.value.forEach((item) => { const node = { ...item, children: [] }; byIdentity.set(node.identity, node); if (typeof node.id === 'number') byInternalId.set(node.id, node); }); byIdentity.forEach((item) => { const parent = item.parent_identity ? byIdentity.get(item.parent_identity) : typeof item.parent_id === 'number' ? byInternalId.get(item.parent_id) : undefined; if (parent) parent.children.push(item); else roots.push(item); }); return roots; });
async function load() { loading.value = true; try { list.value = (await resourceApi.list<Node>(props.definition.resource, 1, 500)).list; } catch (error) { Message.error((error as Error).message); } finally { loading.value = false; } }
onMounted(load);
</script>