如何在使用react导航单击每个选项卡时显示初始路由

npm install react-router-dom

yarn add react-router-dom

import { BrowserRouter as Router } from 'react-router-dom';

function App() {
  return (
    <Router>
      {/* 应用的其他组件 */}
    </Router>
  );
}

export default App;

import { Link, Route } from 'react-router-dom';

function App() {
  return (
    <Router>
      <nav>
        <ul>
          <li>
            <Link to="/">Home</Link>
          </li>
          <li>
            <Link to="/about">About</Link>
          </li>
          <li>
            <Link to="/contact">Contact</Link>
          </li>
        </ul>
      </nav>

      <Route path="/" exact component={Home} />
      <Route path="/about" component={About} />
      <Route path="/contact" component={Contact} />
    </Router>
  );
}

function Home() {
  return <h2>Home</h2>;
}

function About() {
  return <h2>About</h2>;
}

function Contact() {
  return <h2>Contact</h2>;
}

export default App;