如何在React Router 4中实现经过身份验证的路由？

Question

我试图实现经过身份验证的路由，但是发现React Router 4现在阻止了它的工作：

<Route exact path="/" component={Index} />

<Route path="/auth" component={UnauthenticatedWrapper}>

    <Route path="/auth/login" component={LoginBotBot} />

</Route>

<Route path="/domains" component={AuthenticatedWrapper}>

    <Route exact path="/domains" component={DomainsIndex} />

</Route>

错误是：

警告：您不应使用<Route component>和<Route children>在同一路线上；<Route children>将被忽略

在这种情况下，实现此目标的正确方法是什么？

它出现在react-router（v4）文档中，提示类似

<Router>

    <div>

    <AuthButton/>

    <ul>

        <li><Link to="/public">Public Page</Link></li>

        <li><Link to="/protected">Protected Page</Link></li>

    </ul>

    <Route path="/public" component={Public}/>

    <Route path="/login" component={Login}/>

    <PrivateRoute path="/protected" component={Protected}/>

    </div>

</Router>

但是在将一堆路线组合在一起时是否有可能实现这一目标？

更新

好吧，经过一番研究，我想到了这个：

import React, {PropTypes} from "react"

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

export default class AuthenticatedRoute extends React.Component {

  render() {

    if (!this.props.isLoggedIn) {

      this.props.redirectToLogin()

      return null

    }

    return <Route {...this.props} />

  }

}

AuthenticatedRoute.propTypes = {

  isLoggedIn: PropTypes.bool.isRequired,

  component: PropTypes.element,

  redirectToLogin: PropTypes.func.isRequired

}

发出错误的动作是正确的render()感觉。似乎确实不正确，componentDidMount还是带有其他挂钩？

Answer 1

您将要使用该Redirect组件。有几种不同的方法可以解决此问题。我喜欢的一个是，有一个PrivateRoute组件，该组件接受一个authed道具，然后根据该道具进行渲染。function PrivateRoute ({component: Component, authed, ...rest}) {&nbsp; return (&nbsp; &nbsp; <Route&nbsp; &nbsp; &nbsp; {...rest}&nbsp; &nbsp; &nbsp; render={(props) => authed === true&nbsp; &nbsp; &nbsp; &nbsp; ? <Component {...props} />&nbsp; &nbsp; &nbsp; &nbsp; : <Redirect to={{pathname: '/login', state: {from: props.location}}} />}&nbsp; &nbsp; />&nbsp; )}现在你Route的可以看起来像这样<Route path='/' exact component={Home} /><Route path='/login' component={Login} /><Route path='/register' component={Register} /><PrivateRoute authed={this.state.authed} path='/dashboard' component={Dashboard} />如果您仍然感到困惑，我写了这篇文章可能会有所帮助 -React Router v4的受保护路由和身份验证

Answer 2

Tnx Tyler McGinnis提供解决方案。我是根据Tyler McGinnis的想法提出的。const DecisionRoute = ({ trueComponent, falseComponent, decisionFunc, ...rest }) => {&nbsp; return (&nbsp; &nbsp; <Route&nbsp; &nbsp; &nbsp; {...rest}&nbsp; &nbsp; &nbsp; render={&nbsp; &nbsp; &nbsp; &nbsp; decisionFunc()&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ? trueComponent&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : falseComponent&nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; />&nbsp; )}您可以这样实现<DecisionRoute path="/signin" exact={true}&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; trueComponent={redirectStart}&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; falseComponent={SignInPage}&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; decisionFunc={isAuth}&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; />DecisionFunc只是一个返回true或false的函数const redirectStart = props => <Redirect to="/orders" />