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在写一个表单时使用了antd的 TreeSelect，在对TreeSelect的值提交时发现，父节点的值在半选状态时未提交，在选中状态时（子节点全选），子节点不提交，只提交父节点，这与后端需求不符，后端要求提交全部的节点，所有手动改造了一下，以适应需求，组件代码如下：
 

import { TreeSelect } from "antd";
import React, { useState, useEffect } from "react";export type FromTreeItem = {key?: number | string;title?: string;parentKey?: number | string;value?: number | string;children?: FromTreeItem[];
};export type FromTreeSelectProps = {value?: any;treeData?: FromTreeItem[];onChange?: (value: any) => void;
};/**  * 解决antd TreeSelect 返回值不包含父节点问题  * @param props   * @returns   */
const FromTreeSelect: React.FC<FromTreeSelectProps> = (props) => {const [selectedKeys, setSelectedKeys] = useState<(string | number)[]>([]);const [treeDataMap, setTreeDataMap] = useState<Record<string | number, FromTreeItem>>({});const treeToMap = (tree: FromTreeItem[]): Record<string | number, FromTreeItem> => {const map: Record<string | number, FromTreeItem> = {};const traverse = (nodes: FromTreeItem[]) => {nodes.forEach(node => {node.key ? map[node.key] = node : null; // 将当前节点添加到映射中  if (node.children) {traverse(node.children); // 递归遍历子节点  }});};traverse(tree); // 从根节点开始遍历  return map;};useEffect(() => {if (props.treeData)setTreeDataMap(treeToMap(props.treeData))}, [props.treeData]);useEffect(() => {// 初始化 selectedKeys  if (props.value && treeDataMap) {setSelectedKeys(getAllChildrenKey(props.value));}}, [treeDataMap, props.value]);/**  * 根据选中的key找到所有父节点key并一起返回  * @param selectKeys   */const getAllNodeKey = (selectKeys: (string | number)[]): (string | number)[] => {const allKeys = new Set<string | number>(selectKeys);;const traverse = (node: FromTreeItem) => {if (node.parentKey) {allKeys.add(node.parentKey)traverse(treeDataMap[node.parentKey])}};selectKeys.forEach(key => {traverse(treeDataMap[key])});return Array.from(allKeys);};/**  * 根据给定的值 ，找到给定节点是否选中了子节点，如选中了子节点，则删除当前节点* @param keys   * @param tree   */const getAllChildrenKey = (keys: (string | number)[]): (string | number)[] => {if (!keys)return []const allKeys = new Set<string | number>(keys);keys.forEach(key => {const node: FromTreeItem = treeDataMap[key];if (node.children) {node.children.forEach((child) => {if (node.key && allKeys.has(node.key) && child.key && allKeys.has(child.key)) {allKeys.delete(node.key)}});}})return Array.from(allKeys);};const handleChange = (newKeys: (string | number)[]) => {setSelectedKeys(newKeys);if (props.onChange) {props.onChange(getAllNodeKey(newKeys));}};const { SHOW_ALL } = TreeSelect;return (<TreeSelecttreeCheckabletreeData={props.treeData}value={selectedKeys}onChange={handleChange}showCheckedStrategy={SHOW_ALL}/>);
};export default FromTreeSelect;

使用方式同antd的其他组件，如：
 

 <Form.Itemname={'menuIds'}label={'菜单'}rules={[{ required: true }]}><FromTreeSelect treeData={menuTreeData} /></Form.Item>