问显示两个组件的路由器4交换机

EN

import React from "react";
import { Router, Route, Switch } from "react-router-dom";
import history from "./History";
import StreamRoutes from "./stream/StreamRoutes";

const Routes = props => {
  return (
    <React.Fragment>
      <Router history={history}>
        <Switch>
          <Route path="/" exact component={props => <h1>hello world</h1>} />
          <StreamRoutes />
        </Switch>
      </Router>
    </React.Fragment>
  );
};

export default Routes;

import React from "react";
import { Route } from "react-router-dom";

import StreamCreate from "./components/StreamCreate";
import StreamEdit from "./components/StreamEdit";
import StreamList from "./components/StreamList";
import StreamShow from "./components/StreamShow";

const StreamRoutes = props => {
  return (
    <React.Fragment>
      <Route path="/streams" exact component={StreamList} />
      <Route path="/streams/new" exact component={StreamCreate} />
      <Route path="/streams/:id" exact component={StreamShow} />
      <Route path="/streams/edit/:id" exact component={StreamEdit} />
    </React.Fragment>
  );
};
export default StreamRoutes;