默认路由: 进入页面时就会匹配的路由 (一进页面就会展示组件)
path是空的: "/" (没有link、没有编程式导航)
import React from "react";
import {createRoot} from 'react-dom/client';
//导入路由的核心组件
import {HashRouter, BrowserRouter as Router, Route, Link} from "react-router-dom"
class App extends React.Component {
render() {
return (
<Router>
<h2>默认路由</h2>
{/*默认路由*/}
<Route path="/" component={Home}></Route>
</Router>
)
}
}
const Home = () => {
return(
<div>
<h2>我是HOME首页</h2>
</div>
)
}
createRoot(document.getElementById('root')).render(<App/>);
效果
一进页面就会展示Home组件