feat(BasicTree): BasicTree组件暴露treeData数据

src/components/Tree/src/BasicTree.vue

@@ -297,6 +297,7 @@ export default defineComponent({
     })
 
     const instance: TreeActionType = {
+      treeData: treeDataRef,
       setExpandedKeys,
       getExpandedKeys,
       setSelectedKeys,

src/components/Tree/src/types/tree.ts

@@ -1,4 +1,4 @@
-import type { ExtractPropTypes } from 'vue'
+import type { ExtractPropTypes, Ref } from 'vue'
 import type { TreeDataItem } from 'ant-design-vue/es/tree/Tree'
 
 import { buildProps } from '@/utils/props'
@@ -165,6 +165,7 @@ export interface InsertNodeParams {
 }
 
 export interface TreeActionType {
+  treeData: Ref<TreeDataItem[]>
   checkAll: (checkAll: boolean) => void
   expandAll: (expandAll: boolean) => void
   setExpandedKeys: (keys: KeyType[]) => void