opt：树形

nl-vue/src/views/pmm/project/request/addRequestDialog.vue

@@ -95,9 +95,10 @@
 						<a-tree-select
 							v-model:value="formData.parentDetailId"
 							:tree-data="parentTreeData"
+							:load-data="handleLoadData"
 							placeholder="请选择上级类目"
 							allow-clear
-							tree-default-expand-all
+							tree-line
 						/>
 					</a-form-item>
 				</a-col>
@@ -128,7 +129,6 @@
 	import dayjs from 'dayjs'
 	import { cloneDeep } from 'lodash-es'
 	import { required } from '@/utils/formRules'
-	import projectApi from '@/api/pmm/projectApi'
 	import stageDetailApi from '@/api/pmm/stageDetailApi'
 
 	const open = ref(false)
@@ -183,39 +183,44 @@
 		]
 	}
 
-	const buildTree = (nodes) => {
-		const list = Array.isArray(nodes) ? nodes : []
-		const byId = new Map()
-		const roots = []
-		list.forEach((item) => {
-			const id = item?.detailId
-			if (!id) return
-			const titleParts = []
-			if (item.modelName) titleParts.push(item.modelName)
-			if (item.modelDetail) titleParts.push(item.modelDetail)
-			const title = titleParts.length ? titleParts.join(' - ') : String(id)
-			byId.set(id, { title, value: id, key: id, children: [], raw: item })
-		})
-		byId.forEach((node) => {
-			const parentId = node.raw?.parentDetailId
-			if (parentId && byId.has(parentId)) {
-				byId.get(parentId).children.push(node)
-			} else {
-				roots.push(node)
-			}
-		})
-		return roots
+	const toTreeNode = (item = {}) => {
+		const id = item.detailId
+		const titleParts = []
+		if (item.modelName) titleParts.push(item.modelName)
+		if (item.modelDetail) titleParts.push(item.modelDetail)
+		const title = titleParts.length ? titleParts.join(' - ') : String(id || '')
+		return {
+			title,
+			value: id,
+			key: id,
+			isLeaf: item.isLeaf === true,
+			children: Array.isArray(item.children) ? item.children.map(toTreeNode) : []
+		}
 	}
 
-	const loadParentTree = async (projectId) => {
-		if (!projectId) {
-			parentTreeData.value = []
-			return
-		}
-		const data = await projectApi.requestDetail({ projectId })
-		const stages = Array.isArray(data) ? data : []
-		const flat = stages.flatMap((s) => (Array.isArray(s?.descriptions) ? s.descriptions : []))
-		parentTreeData.value = buildTree(flat)
+	const loadRootTree = async () => {
+		if (!formData.value.stageId) return
+		const data = await stageDetailApi.loadClass({
+			stageId: formData.value.stageId,
+			parentDetailId: 0
+		})
+		parentTreeData.value = (Array.isArray(data) ? data : []).map(toTreeNode)
+	}
+
+	const loadSuperiorTree = async (parentDetailId) => {
+		if (!formData.value.stageId || !parentDetailId) return
+		const data = await stageDetailApi.superior({
+			stageId: formData.value.stageId,
+			parentDetailId
+		})
+		parentTreeData.value = (Array.isArray(data) ? data : []).map(toTreeNode)
+	}
+
+	const handleLoadData = async (node) => {
+		// 展开时走 superior，后端会返回包含父链的树结构
+		const parentId = node?.value
+		if (!parentId) return
+		await loadSuperiorTree(parentId)
 	}
 
 	const recomputeEndTime = () => {
@@ -234,9 +239,13 @@
 		}
 	)
 
-	const onTopChange = () => {
+	const onTopChange = async () => {
 		if (formData.value.isTop === true) {
 			formData.value.parentDetailId = 0
+			parentTreeData.value = []
+		} else {
+			// 顶级新增同级（parentId = 0）加载根节点
+			await loadRootTree()
 		}
 	}
 
@@ -250,7 +259,11 @@
 		if (formData.value.isTop) {
 			formData.value.parentDetailId = 0
 		}
-		await loadParentTree(formData.value.projectId)
+		if (formData.value.isTop === false) {
+			await loadRootTree()
+		} else {
+			parentTreeData.value = []
+		}
 		recomputeEndTime()
 	}