下圖是不點擊跳轉(zhuǎn)的時候就會有個warn錯誤

入口文件

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import { HashRouter,Route,Link,Switch,Router}from 'react-router-dom';
import registerServiceWorker from './registerServiceWorker';
import home from './components/home'

// ReactDOM.render(<App />, document.getElementById('root'));

ReactDOM.render((
  <HashRouter>
    <App>
      <Route path = '/home' component={home}></Route>
      //錯誤指向了這里的component
    </App>

  </HashRouter>
),document.getElementById('root'));


registerServiceWorker();

app.js

import React, { Component } from 'react';
// import logo from './logo.svg';
import './App.css';
// import {Router, Route, Link,BrowserRouter,HashRouter,hashHistory,Indexlink,Match}from 'react-router-dom';
import {Link} from 'react-router-dom'
class App extends Component {
  render() {
    return (
      <div className="App">
        <h1>hello,world</h1>
        <Link to="/home">點擊點擊</Link>
        {this.props.children}
      </div>
    );
  }
}

export default App;

點擊連接以后，