reactjs路由到不同页面的特定部分

import React from 'react';
import { BrowserRouter as Router, Route, Switch, Link } from 'react-router-dom';

// 定义页面组件
const Home = () => <h1>首页</h1>;
const About = () => <h1>关于我们</h1>;
const Contact = () => <h1>联系我们</h1>;

// 定义嵌套路由组件
const NestedRoutes = () => (
  <div>
    <h2>嵌套路由示例</h2>
    <ul>
      <li><Link to="/nested/home">首页</Link></li>
      <li><Link to="/nested/about">关于我们</Link></li>
      <li><Link to="/nested/contact">联系我们</Link></li>
    </ul>
    <Switch>
      <Route path="/nested/home" component={Home} />
      <Route path="/nested/about" component={About} />
      <Route path="/nested/contact" component={Contact} />
    </Switch>
  </div>
);

// 定义根组件
const App = () => (
  <Router>
    <div>
      <h1>ReactJS路由示例</h1>
      <ul>
        <li><Link to="/">首页</Link></li>
        <li><Link to="/about">关于我们</Link></li>
        <li><Link to="/contact">联系我们</Link></li>
      </ul>
      <Switch>
        <Route exact path="/" component={Home} />
        <Route path="/about" component={About} />
        <Route path="/contact" component={Contact} />
        <Route path="/nested" component={NestedRoutes} />
      </Switch>
    </div>
  </Router>
);

export default App;