react-router-v4 | 易学教程

React Router with optional path parameter

阅读更多关于 React Router with optional path parameter

I want to declare a path with an optional path parameter, hence when I add it the page to do something extra (e.g. fill some data): http://localhost/app/path/to/page <= render the page http://localhost/app/path/to/page/pathParam <= render the page with some data according to the pathParam In my react router I have the following paths, in order to support the two options (this is a simplified example): <Router history={history}> <Route path="/path" component={IndexPage}> <Route path="to/page" component={MyPage}/> <Route path="to/page/:pathParam" component={MyPage}/> </Route> </Router> My

onEnter not called in React-Router

阅读更多关于 onEnter not called in React-Router

问题 Ok, I'm fed up trying. The onEnter method doesn't work. Any idea why is that? // Authentication "before" filter function requireAuth(nextState, replace){ console.log("called"); // => Is not triggered at all if (!isLoggedIn()) { replace({ pathname: '/front' }) } } // Render the app render( <Provider store={store}> <Router history={history}> <App> <Switch> <Route path="/front" component={Front} /> <Route path="/home" component={Home} onEnter={requireAuth} /> <Route exact path="/" component=

How to listen to route changes in react router v4?

阅读更多关于 How to listen to route changes in react router v4?

问题 I have a couple of buttons that acts as routes. Everytime the route is changed, I want to make sure the button that is active changes. Is there a way to listen to route changes in react router v4? 回答1: I use withRouter to get the location prop. When the component is updated because of a new route, I check if the value changed: @withRouter class App extends React.Component { static propTypes = { location: React.PropTypes.object.isRequired } // ... componentDidUpdate(prevProps) { if (this.props

Use history.push in action creator with react-router-v4?

阅读更多关于 Use history.push in action creator with react-router-v4?

问题 The only working method that I found to work this out without using react-router-redux to route from action creator async action completion is by passing the history prop from the component to action creator and doing: history.push('routename'); Since BrowserRouter ignores the history prop passed to it thus we cannot use custom history objects with browserhistory. What is the best possible way to work this out? 回答1: Instead of using BrowserRouter you could use the Router with custom history

React router 4 does not update view on link, but does on refresh

阅读更多关于 React router 4 does not update view on link, but does on refresh

问题 I am using the following simple nav code <Router> <Switch> <Route exact path='/dashboard' component={Dashboard} /> <Route path='/dashboard/accounts' component={AccountPage} /> </Switch> </Router> <NavLink exact to={'/dashboard'} disabled={this.props.item.disabled} activeClassName='active'> <NavLink exact to={'/dashboard/accounts'} disabled={this.props.item.disabled} activeClassName='active'> The URL changes but the view does not. It does however change when I refresh the page or manually go

React doesn't reload component data on route param change or query change

阅读更多关于 React doesn't reload component data on route param change or query change

I have a "home" component with links, and when you click a link the product component is loaded with the product. I also have another component which is always visible, showing links to the "recently visited products". These links don't work when on a product page. The url updates when I click the link, and a render occurs, but the product component doesn't update with the new product. See this example: Codesandbox example Here are the routes in index.js: <BrowserRouter> <div> <Route exact path="/" render={props => <Home products={this.state.products} />} /> <Route path="/products/:product"

How to nest routes in React Router v4?

阅读更多关于 How to nest routes in React Router v4?

问题 Is there a way to nest routes in React Router v4? This works: <Router basename=\'/app\'> <main> <Route path=\'/\' component={AppBar} /> <Route path=\'/customers\' component={Customers} /> </main> </Router> This does not: <Router basename=\'/app\'> <Route path=\'/\' component={AppBar}> <Route path=\'/customers\' component={Customers} /> </Route> </Router> Customers Component: import React, { Component, PropTypes } from \'react\' import styled from \'styled-components\' export default class

Nested Routes not rendering with React Router v4

阅读更多关于 Nested Routes not rendering with React Router v4

问题 I am trying to group some of my routes together with React Router v4 to clean up some of my components. For now I just want to have my non logged in routes group together and my admin routes grouped together but the following doens\'t work. main.js const Main = () => { return ( <main> <Switch> <Route exact path=\'/\' component={Public} /> <Route path=\'/admin\' component={Admin} /> </Switch> </main> ); }; export default Main; public.js const Public = () => { return ( <Switch> <Route exact

Detect Route Change with react-router

阅读更多关于 Detect Route Change with react-router

问题 I have to implement some business logic depending on browsing history. What I want to do is something like this: reactRouter.onUrlChange(url => { this.history.push(url); }); Is there any way to receive a callback from react-router when the URL gets updated? 回答1: You can make use of history.listen() function when trying to detect the route change. Considering you are using react-router v4 , wrap your component with withRouter HOC to get access to the history prop. history.listen() returns an

Programmatically navigating in React-Router v4

阅读更多关于 Programmatically navigating in React-Router v4

How can I move to a new page after some validation is done with React Router V4 ? I have something like this: export class WelcomeForm extends Component { handleSubmit = (e) => { e.preventDefault() if(this.validateForm()) // send to '/life' } render() { return ( <form className="WelcomeForm" onSubmit={this.handleSubmit}> <input className="minutes" type="number" value={this.state.minutes} onChange={ (e) => this.handleChanges(e, "minutes")}/> </form> ) } } I would like to send the user to another route. I had a look at Redirect but it seems like it would delete the current page from the history