react-router-dom多布局配置不显示路由指示的组件

npm install react-router-dom

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

// 导入布局组件
import DefaultLayout from './layouts/DefaultLayout';
import AlternativeLayout from './layouts/AlternativeLayout';

// 导入页面组件
import Home from './pages/Home';
import About from './pages/About';
import Contact from './pages/Contact';

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

export default App;

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

const DefaultLayout = () => {
  return (
    <div>
      <h1>Default Layout</h1>
      <Route exact path="/" component={Home} />
      <Route path="/about" component={About} />
      <Route path="/contact" component={Contact} />
    </div>
  );
};

export default DefaultLayout;