效果

核心源码
type MenuItem = {label: string;key: string | number;icon?: React.ReactNode;children?: MenuItem[];type?: 'group';
}function filterTreeData(tree: MenuItem[], keyword: string): MenuItem[] {return tree.filter((node: MenuItem) => {if (node.label.includes(keyword)) {return true;}if (Array.isArray(node.children)) {node.children = filterTreeData(node.children, keyword);return !!node.children?.length;}return false;});
}
源码
import React, {useState} from 'react';
import {BarChartOutlined, CompassOutlined, DatabaseOutlined, DeploymentUnitOutlined, DesktopOutlined, SettingOutlined,FundProjectionScreenOutlined, FundViewOutlined, HomeOutlined, MenuFoldOutlined, MenuUnfoldOutlined, MessageOutlined,TrophyOutlined, VerifiedOutlined,
} from '@ant-design/icons';
import {Flex, Button, Menu as AntdMenu} from 'antd';
import Search from "antd/es/input/Search";
import {SearchProps} from "antd/lib/input";type MenuItem = {label: string;key: string | number;icon?: React.ReactNode;children?: MenuItem[];type?: 'group';
}function getItem(label: React.ReactNode, key: React.Key, icon?: React.ReactNode, children?: MenuItem[], type?: 'group',): MenuItem {return {key, icon, children, label, type,} as MenuItem;
}function filterTreeData(tree: MenuItem[], keyword: string): MenuItem[] {return tree.filter((node: MenuItem) => {if (node.label.includes(keyword)) {return true;}if (Array.isArray(node.children)) {node.children = filterTreeData(node.children, keyword);return !!node.children?.length;}return false;});
}const Menu: React.FC = () => {const menuItems: MenuItem[] = [getItem('首页', '1', <HomeOutlined/>),getItem('平台管理', '2', <DesktopOutlined/>, [getItem('学生管理', '2-1'),getItem('教师管理', '2-2'),getItem('班级管理', '2-3'),getItem('任务管理', '2-4', null, [getItem('课程管理', '2-4-1'),getItem('发布任务', '2-4-2'),]),getItem('作业管理', '2-5'),getItem('答卷管理', '2-6', null, [getItem('批卷列表', '2-6-1'),getItem('批卷结果', '2-6-2'),]),]),getItem('平台资源', '3', <DatabaseOutlined/>),getItem('教学实训', '4', <MessageOutlined/>),getItem('培训认证', '5', <VerifiedOutlined/>),getItem('技能竞赛', '6', <TrophyOutlined/>),getItem('科研实验', '7', <DeploymentUnitOutlined/>),getItem('数据平台', '8', <BarChartOutlined/>),getItem('算法平台', '9', <FundProjectionScreenOutlined/>),getItem('系統管理', '10', <CompassOutlined/>),getItem('系统监控', '11', <FundViewOutlined/>),getItem('系統工具', '12', <SettingOutlined/>),];const [items, setItems] = useState<MenuItem[]>(menuItems);const [collapsed, setCollapsed] = useState(false);const toggleCollapsed = () => {setCollapsed(!collapsed);};const onSearch: SearchProps['onSearch'] = (value, _e, _info) => {setItems(filterTreeData(menuItems, value));};return (<><div className="menu-tool"><Flex gap={10}>{collapsed ? '' : (<Search placeholder="在此输入关键词..." onSearch={onSearch}/>)}<Button block={collapsed} type="primary" onClick={toggleCollapsed} icon={collapsed ? <MenuUnfoldOutlined/> : <MenuFoldOutlined/>}/></Flex></div><AntdMenu defaultSelectedKeys={['1']} mode="inline" inlineCollapsed={collapsed} items={items}/></>);
};export default Menu;