使用React Router V4/V5的嵌套路由 [英] Nested routes with react router v4 / v5

问题描述

我目前正在使用React Router v4来嵌套路由.

I am currently struggling with nesting routes using react router v4.

最接近的示例是 React-Router v4文档.

我想将我的应用分为2个不同的部分.

I want to split my app in 2 different parts.

前端和管理区域.

我在想这样的事情:

<Match pattern="/" component={Frontpage}>
  <Match pattern="/home" component={HomePage} />
  <Match pattern="/about" component={AboutPage} />
</Match>
<Match pattern="/admin" component={Backend}>
  <Match pattern="/home" component={Dashboard} />
  <Match pattern="/users" component={UserPage} />
</Match>
<Miss component={NotFoundPage} />

前端的布局和样式与管理区域不同.因此在首页中，回家的路线大约应该是子路线.

The frontend has a different layout and style than the admin area. So within the frontpage the route home, about and so one should be the child routes.

/home 应该呈现到Frontpage组件中，而/admin/home 应该呈现在Backend组件中.

/home should be rendered into the Frontpage component and /admin/home should be rendered within the Backend component.

我尝试了一些变化，但是我总是以不打/home或/admin/home结尾.

I tried some variations but I always ended in not hitting /home or /admin/home.

编辑-2017年4月19日

因为此帖子现在有很多意见，所以我用最终解决方案对其进行了更新.我希望它能对某人有所帮助.

Because this post has a lot of views right now I updated it with the final solution. I hope it helps someone.

编辑-2017年8月5日

删除了旧的解决方案

最终解决方案:

这是我现在正在使用的最终解决方案.此示例还具有全局错误组件，例如传统的404页面.

This is the final solution I am using right now. This example also has a global error component like a traditional 404 page.

import React, { Component } from 'react';
import { Switch, Route, Redirect, Link } from 'react-router-dom';

const Home = () => <div><h1>Home</h1></div>;
const User = () => <div><h1>User</h1></div>;
const Error = () => <div><h1>Error</h1></div>

const Frontend = props => {
  console.log('Frontend');
  return (
    <div>
      <h2>Frontend</h2>
      <p><Link to="/">Root</Link></p>
      <p><Link to="/user">User</Link></p>
      <p><Link to="/admin">Backend</Link></p>
      <p><Link to="/the-route-is-swiggity-swoute">Swiggity swooty</Link></p>
      <Switch>
        <Route exact path='/' component={Home}/>
        <Route path='/user' component={User}/>
        <Redirect to={{
          state: { error: true }
        }} />
      </Switch>
      <footer>Bottom</footer>
    </div>
  );
}

const Backend = props => {
  console.log('Backend');
  return (
    <div>
      <h2>Backend</h2>
      <p><Link to="/admin">Root</Link></p>
      <p><Link to="/admin/user">User</Link></p>
      <p><Link to="/">Frontend</Link></p>
      <p><Link to="/admin/the-route-is-swiggity-swoute">Swiggity swooty</Link></p>
      <Switch>
        <Route exact path='/admin' component={Home}/>
        <Route path='/admin/user' component={User}/>
        <Redirect to={{
          state: { error: true }
        }} />
      </Switch>
      <footer>Bottom</footer>
    </div>
  );
}

class GlobalErrorSwitch extends Component {
  previousLocation = this.props.location

  componentWillUpdate(nextProps) {
    const { location } = this.props;

    if (nextProps.history.action !== 'POP'
      && (!location.state || !location.state.error)) {
        this.previousLocation = this.props.location
    };
  }

  render() {
    const { location } = this.props;
    const isError = !!(
      location.state &&
      location.state.error &&
      this.previousLocation !== location // not initial render
    )

    return (
      <div>
        {          
          isError
          ? <Route component={Error} />
          : <Switch location={isError ? this.previousLocation : location}>
              <Route path="/admin" component={Backend} />
              <Route path="/" component={Frontend} />
            </Switch>}
      </div>
    )
  }
}

class App extends Component {
  render() {
    return <Route component={GlobalErrorSwitch} />
  }
}

export default App;

推荐答案

在react-router-v4中，您不嵌套<Routes />.而是将它们放在另一个<Component />中.

In react-router-v4 you don't nest <Routes />. Instead, you put them inside another <Component />.

例如

<Route path='/topics' component={Topics}>
  <Route path='/topics/:topicId' component={Topic} />
</Route>

应该成为

<Route path='/topics' component={Topics} />

使用

const Topics = ({ match }) => (
  <div>
    <h2>Topics</h2>
    <Link to={`${match.url}/exampleTopicId`}>
      Example topic
    </Link>
    <Route path={`${match.path}/:topicId`} component={Topic}/>
  </div>
) 

---

这里是基本示例，直接来自react-router 文档.

---

Here is a basic example straight from the react-router documentation.

这篇关于使用React Router V4/V5的嵌套路由的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！