Answers for "react router"

react router

npm install react-router-dom

react router

import React from "react";
import {
  BrowserRouter as Router,
  Switch,
  Route,
  Link
} from "react-router-dom";

export default function App() {
  return (
    <Router>
      <div>
        <nav>
          <ul>
            <li>
              <Link to="/">Home</Link>
            </li>
            <li>
              <Link to="/about">About</Link>
            </li>
            <li>
              <Link to="/users">Users</Link>
            </li>
          </ul>
        </nav>

        {/* A <Switch> looks through its children <Route>s and
            renders the first one that matches the current URL. */}
        <Switch>
          <Route path="/about">
            <About />
          </Route>
          <Route path="/users">
            <Users />
          </Route>
          <Route path="/">
            <Home />
          </Route>
        </Switch>
      </div>
    </Router>
  );
}

function Home() {
  return <h2>Home</h2>;
}

function About() {
  return <h2>About</h2>;
}

function Users() {
  return <h2>Users</h2>;
}

react router

npm install react-router-dom

react router

import React from "react";
import {
  BrowserRouter as Router,
  Switch,
  Route,
  Link,
  useRouteMatch,
  useParams
} from "react-router-dom";

export default function App() {
  return (
    <Router>
      <div>
        <ul>
          <li>
            <Link to="/">Home</Link>
          </li>
          <li>
            <Link to="/about">About</Link>
          </li>
          <li>
            <Link to="/topics">Topics</Link>
          </li>
        </ul>

        <Switch>
          <Route path="/about">
            <About />
          </Route>
          <Route path="/topics">
            <Topics />
          </Route>
          <Route path="/">
            <Home />
          </Route>
        </Switch>
      </div>
    </Router>
  );
}

function Home() {
  return <h2>Home</h2>;
}

function About() {
  return <h2>About</h2>;
}

function Topics() {
  let match = useRouteMatch();

  return (
    <div>
      <h2>Topics</h2>

      <ul>
        <li>
          <Link to={`${match.url}/components`}>Components</Link>
        </li>
        <li>
          <Link to={`${match.url}/props-v-state`}>
            Props v. State
          </Link>
        </li>
      </ul>

      {/* The Topics page has its own <Switch> with more routes
          that build on the /topics URL path. You can think of the
          2nd <Route> here as an "index" page for all topics, or
          the page that is shown when no topic is selected */}
      <Switch>
        <Route path={`${match.path}/:topicId`}>
          <Topic />
        </Route>
        <Route path={match.path}>
          <h3>Please select a topic.</h3>
        </Route>
      </Switch>
    </div>
  );
}

function Topic() {
  let { topicId } = useParams();
  return <h3>Requested topic ID: {topicId}</h3>;
}

react router

// ##### Installation #####
   // npm install react-router-dom

// ##### Basic Routing #####
import React from 'react';
import { BrowserRouter as Router, Switch, Route, Link } from 'react-router-dom';

export default function App() {
   return (
      <Router>
         <div>
            <nav>
               <ul>
                  <li>
                     <Link to="/">Home</Link>
                  </li>
                  <li>
                     <Link to="/about">About</Link>
                  </li>
                  <li>
                     <Link to="/users">Users</Link>
                  </li>
               </ul>
            </nav>

            {/* A <Switch> looks through its children <Route>s and
            renders the first one that matches the current URL. */}
            <Switch>
               <Route path="/about">
                  <About />
               </Route>
               <Route path="/users">
                  <Users />
               </Route>
               <Route path="/">
                  <Home />
               </Route>
            </Switch>
         </div>
      </Router>
   );
}

function Home() {
   return <h2>Home</h2>;
}

function About() {
   return <h2>About</h2>;
}

function Users() {
   return <h2>Users</h2>;
}

react router

// npm install react-router-dom
// yarn add react-router-dom
import {
  BrowserRouter as Router,
  Switch,
  Route,
  Link
} from "react-router-dom";

react router

import ReactDOM from "react-dom";
import { Route, BrowserRouter as Router, Switch } from "react-router-dom";
const routing = (
  <Router>
    <React.StrictMode>
      <Header />
      <Switch>
        <Route exact path="/" component={Register} />
        <Route exact path="/Login" component={Login} />
        <Route exact path="/Home" component={App} />
        <Route path="/Logout" component={Logout} />
        <Route path="/CreatePost" component={CreatePost} />
        <Route path="/CreateComment" component={CreateComment} />
        <Route path="/UserProfile" component={UserProfile} />
        <Route path="/SearchProfile" component={SearchedProfile} />
        <Route path="/follow" component={FollowDisplay} />
        <Route path="/following" component={FollowingDisplay} />
      </Switch>
      <Footer />
    </React.StrictMode>
  </Router>
);

react router

/*
install:
npm install react-router-dom
*/
//example usage:

import React from "react";
import {
  BrowserRouter as Router,
  Switch,
  Route,
  Link,
  useRouteMatch,
  useParams
} from "react-router-dom";

export default function App() {
  return (
    <Router>
      <div>
        <ul>
          <li>
            <Link to="/">Home</Link>
          </li>
          <li>
            <Link to="/about">About</Link>
          </li>
          <li>
            <Link to="/topics">Topics</Link>
          </li>
        </ul>

        <Switch>
          <Route path="/about">
            <About />
          </Route>
          <Route path="/topics">
            <Topics />
          </Route>
          <Route path="/">
            <Home />
          </Route>
        </Switch>
      </div>
    </Router>
  );
}

function Home() {
  return <h2>Home</h2>;
}

function About() {
  return <h2>About</h2>;
}

function Topics() {
  let match = useRouteMatch();

  return (
    <div>
      <h2>Topics</h2>

      <ul>
        <li>
          <Link to={`${match.url}/components`}>Components</Link>
        </li>
        <li>
          <Link to={`${match.url}/props-v-state`}>
            Props v. State
          </Link>
        </li>
      </ul>

      {/* The Topics page has its own <Switch> with more routes
          that build on the /topics URL path. You can think of the
          2nd <Route> here as an "index" page for all topics, or
          the page that is shown when no topic is selected */}
      <Switch>
        <Route path={`${match.path}/:topicId`}>
          <Topic />
        </Route>
        <Route path={match.path}>
          <h3>Please select a topic.</h3>
        </Route>
      </Switch>
    </div>
  );
}

function Topic() {
  let { topicId } = useParams();
  return <h3>Requested topic ID: {topicId}</h3>;
}

react router

import {
  BrowserRouter,
  Switch,
  Route,
  Link,
  useRouteMatch,
  useParams
} from "react-router-dom";
ReactDOM.render(
  <BrowserRouter>
    <React.StrictMode>

      <Switch>
        <Route exact path="/" component={React_chat_app} />
		<Route exact path='/:topicId' component={component0}/>

        <Route exact path="/your-url" component={component1} />

        <Route  component={component2} />

      </Switch>



    </React.StrictMode></BrowserRouter>,
  document.getElementById('demo')
);

react router

npm i react-router-dom