React路由器文档和重定向与history.push()

npm install react-router-dom

import React from 'react';
import ReactDOM from 'react-dom';
import { BrowserRouter } from 'react-router-dom';
import App from './App';

ReactDOM.render(
  <BrowserRouter>
    <App />
  </BrowserRouter>,
  document.getElementById('root')
);

import React from 'react';
import { Route, Switch } from 'react-router-dom';
import Home from './Home';
import About from './About';

function App() {
  return (
    <Switch>
      <Route exact path="/" component={Home} />
      <Route path="/about" component={About} />
    </Switch>
  );
}

export default App;

import React from 'react';
import { Route, Switch, Redirect } from 'react-router-dom';

function App() {
  return (
    <Switch>
      <Route exact path="/" component={Home} />
      <Route path="/about" component={About} />
      <Redirect from="/old-path" to="/new-path" />
    </Switch>
  );
}

export default App;

import React from 'react';
import { useHistory } from 'react-router-dom';

function Home() {
  const history = useHistory();

  const handleClick = () => {
    history.push('/about');
  };

  return (
    <div>
      <h1>Home Page</h1>
      <button onClick={handleClick}>Go to About</button>
    </div>
  );
}

export default Home;