React 路由库 CDN UMD 构建，适合演示。
引用代码
<script src="https://cdn.bootcdn.net/ajax/libs/react-router-dom/6.22.3/react-router-dom.production.min.js"></script>资源地址
https://cdn.bootcdn.net/ajax/libs/react-router-dom/6.22.3/react-router-dom.production.min.js