[react]react-router-dom快速使用

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环境安装

1）npm install -g create-react-app

2）yarn add react react-dom

创建项目

1）create-react-app reactdemo
进入项目目录
3）yarn add react-router-dom

项目目录

直接上代码

import React, {Component} from 'react';
import './App.css';
import {BrowserRouter as Router, Route, Switch} from "react-router-dom";
import PageMain from "./PageMain"
import PageOne from "./PageOne"
import PageTwo from "./PageTwo"
import PageThree from "./PageThree"
class App extends Component {
    render() {
        return (
            <Router>
                <div className="App">
                    <Switch>
                        <Route path="/PageOne" component={PageOne}/>
                        <Route path="/PageTwo" component={PageTwo}/>
                        <Route path="/PageThree" component={PageThree}/>
                        <Route path="/" component={PageMain}/>
                    </Switch>
                </div>
            </Router>
        );
    }
}

export default App;

效果

就这样。