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在React中實(shí)現(xiàn)前端路由的懶加載可以通過(guò)React.lazy()和Suspense組件實(shí)現(xiàn)。以下是一個(gè)示例:
npm install react-router-dom
import React from 'react';
const Home = () => {
return (
<div>
<h1>Home Page</h1>
</div>
);
};
export default Home;
import React, { Suspense } from 'react';
import { BrowserRouter as Router, Route, Switch } from 'react-router-dom';
const Home = React.lazy(() => import('./Home'));
const App = () => {
return (
<Router>
<Suspense fallback={<div>Loading...</div>}>
<Switch>
<Route exact path="/" component={Home} />
</Switch>
</Suspense>
</Router>
);
};
export default App;
通過(guò)以上步驟,當(dāng)用戶首次訪問(wèn)應(yīng)用時(shí),只會(huì)加載當(dāng)前路由對(duì)應(yīng)的組件,其他路由對(duì)應(yīng)的組件只有在用戶點(diǎn)擊相應(yīng)鏈接時(shí)才會(huì)被加載,從而優(yōu)化首屏加載時(shí)間。
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