![](/img/trans.png)
[英]warning.js:36 Warning: Failed prop type: The prop `history` is marked as required in `Router`, but its value is `undefined`
[英]Warning: Failed prop type: The prop `history` is marked as required in `Router`, but its value is `undefined`. react-router-dom v^5.2.0
遇到這個反應路由器錯誤並且很困惑,因為我已經設置了多個這樣的反應應用程序並且從未遇到過問題。 我運行了 npm 更新,但仍然有問題。 似乎其他人也有這個問題,但這是以前的版本。 在此先感謝您的幫助!
import ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));
import React from 'react';
import { BrowserRouter as Route, Router, Switch } from 'react-router-dom';
import CompanyDetails from './pages/CompanyDetails';
import Home from './pages/Home';
import UpdateCompany from './pages/UpdateCompany';
const App = () => {
return (
<Router>
<Switch>
<Route exact path='/' component={Home} />
<Route exact path='/companies/:id/update' component={UpdateCompany} />
<Route exact path='/companies/:id' component={CompanyDetails} />
</Switch>
</Router>
);
};
export default App;
index.js:1 警告:失敗的道具類型:道具history
在Router
中標記為必需,但其值為undefined
。
Router.js:20 未捕獲的類型錯誤:無法讀取未定義的屬性“位置”
調試了一下后,我意識到我的導入語句:
import { BrowserRouter as Route, Router, Switch } from 'react-router-dom';
需要是:
import { BrowserRouter as Router, Route, Switch } from 'react-router-dom';
我不確定為什么導入語句的順序很重要,但如果有人可以向我解釋,我將不勝感激! ✨
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.