React location.pathname to (自定义)标题

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

const App = () => {
  return (
    <Router>
      <TitleHandler />
      <Switch>
        <Route path="/home" component={Home} />
        <Route path="/about" component={About} />
        {/* 其他路由 */}
      </Switch>
    </Router>
  );
};

const TitleHandler = ({ location }) => {
  let title = '默认标题';

  switch (location.pathname) {
    case '/home':
      title = '首页';
      break;
    case '/about':
      title = '关于我们';
      break;
    // 其他路径处理
    default:
      break;
  }

  document.title = title;

  return null;
};

const Home = () => <h1>首页内容</h1>;
const About = () => <h1>关于我们</h1>;

export default App;

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

const App = () => {
  return (
    <Router>
      <Routes>
        <Route path="/home" element={<Home />} />
        <Route path="/about" element={<About />} />
        {/* 其他路由 */}
      </Routes>
    </Router>
  );
};

const TitleHandler = () => {
  const location = useLocation();
  let title = '默认标题';

  switch (location.pathname) {
    case '/home':
      title = '首页';
      break;
    case '/about':
      title = '关于我们';
      break;
    // 其他路径处理
    default:
      break;
  }

  React.useEffect(() => {
    document.title = title;
  }, [location.pathname]);

  return null;
};

const Home = () => <h1>首页内容</h1>;
const About = () => <h1>关于我们</h1>;

export default App;