import React from 'react';
import ReactDOM from 'react-dom/client';
import { RouterProvider } from 'react-router-dom'
import router from './router';
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(
  <React.StrictMode>
    <RouterProvider router={router} />
  </React.StrictMode>
);

index.js

router文件

import { createBrowserRouter as ReactRouter,Navigate } from "react-router-dom";

import App from '../App'

const router = ReactRouter([
    {
        path:"/",
        element:<App />,
        children:[
            // {
            //     path:"/",
            //     element:<Navigate to='/home' />
            // },
        ]
    }
])

export default router