cmd

npm i react-route react-router react-router-dom --save

import

import { HashRouter,Route, Switch } from 'react-router-dom';

render

let routeArr = [
            {route:'/ni',component:Container},
        ]
        return (
            <HashRouter>  
                <Switch>
                    <Route exact path='/' component={Container}/>
                    {
                        routeArr.map(v=><Route key={v.route} path={v.route} component={v.component}/>)
                    }
                    {/* <Redirect to="/ni" /> */}
                </Switch>
            </HashRouter>
        )