This commit is contained in:
Philippe Torrel
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import { BrowserRouter, Link, Routes, Route } from 'react-router-dom';
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const Navbar = (props) => {
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return (
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<nav className="navbar navbar-expand-lg bg-body-tertiary">
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<div className="container-fluid">
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<Link className="navbar-brand" to="/">
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Navbar
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</Link>
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<button
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className="navbar-toggler"
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type="button"
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data-bs-toggle="collapse"
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data-bs-target="#navbarNav"
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aria-controls="navbarNav"
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aria-expanded="false"
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aria-label="Toggle navigation">
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<span className="navbar-toggler-icon"></span>
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</button>
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<div className="collapse navbar-collapse" id="navbarNav">
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<ul className="navbar-nav">
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<li className="nav-item">
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<Link className="nav-link" to="/">
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Home
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</Link>
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</li>
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<li className="nav-item">
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<Link className="nav-link" to="/about">
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About
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</Link>
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</li>
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</ul>
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</div>
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</div>
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</nav>
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);
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};
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function App() {
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return (
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<BrowserRouter>
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<Navbar />
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<main id="main">
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<Routes>
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<Route
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path="/"
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element={
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<div className="page-home container py-5">
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<h2>Home</h2>
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<p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Ad, voluptatibus.</p>
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</div>
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}
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/>
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<Route
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path="/about"
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element={
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<div className="page-about container py-5">
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<h2>About</h2>
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<p>
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sit amet consectetur adipisicing elit. Minima, voluptatibus nobis molestiae, dignissimos id dolores
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minus iste quisquam harum vitae rem dolorem debitis natus asperiores amet rerum ratione laboriosam
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quam. Sit corporis voluptate laboriosam doloribus incidunt voluptatibus repellat. Excepturi vitae
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perferendis odit
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</p>
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</div>
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}
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/>
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</Routes>
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<div className="container py-3">
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<div className="alert alert-primary">
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<h2>Übung 15: Komponenten von React Router aufteilen</h2>
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<p>
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In dem vorherigen Beispiel haben wir die einzelnen Komponenten für ein einfaches Verständnis der
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Funktionsweise von React Router in einer Datei definiert. In einer echten Anwendung würdest du die
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Komponenten wahrscheinlich in separate Dateien aufteilen und importieren.
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</p>
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<p>Genau das ist nun deine Aufgabe:</p>
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<ul className="list">
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<li>Teile die Komponenten Navbar, HomePage und AboutPage in separate Dateien auf.</li>
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<li>
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{' '}
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Importiere die Komponenten in der <strong>App.jsx</strong>-Datei.
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</li>
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<li>Passe die Pfade in den Link-Komponenten und Route-Komponenten entsprechend an.</li>
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<li>
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{' '}
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Füge eine weitere Seite hinzu, z.B. eine Kontaktseite, und verlinke sie in der Navigationsleiste.
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</li>
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<li>
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{' '}
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Die <strong><BrowserRouter></strong>-Komponente sollte nur einmal in der Anwendung verwendet
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werden. Üblicherweise wird sie in der main.jsx-Datei um die gesamte Anwendung gewickelt.
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</li>
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</ul>
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<p>
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<strong>Tipp:</strong> Du kannst die Dateien Navbar.jsx wie gewohnt im components-Ordner erstellen und die
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Seitenkomponenten HomePage.jsx, AboutPage.jsx und ContactPage.jsx in einem pages-Ordner ablegen. Das sorgt
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für eine bessere Struktur und Übersichtlichkeit deiner Anwendung.
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</p>
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</div>
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</div>
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</main>
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</BrowserRouter>
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);
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}
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export default App;
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@@ -0,0 +1 @@
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After Width: | Height: | Size: 4.0 KiB |
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import { StrictMode } from 'react';
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import { createRoot } from 'react-dom/client';
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import App from './App.jsx';
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import 'bootstrap/dist/css/bootstrap.min.css';
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// import './styles/main.scss';
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const root = createRoot(document.getElementById('root'));
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root.render(
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<StrictMode>
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<App />
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</StrictMode>,
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);
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