React Router v6 - React 17+ (updated 01/14/2022)
import React, {useCallback} from 'react';
import {useNavigate} from 'react-router-dom';
export default function StackOverflowExample() {
const navigate = useNavigate();
const handleOnClick = useCallback(() => navigate('/sample', {replace: true}), [navigate]);
return (
<button type="button" onClick={handleOnClick}>
Go home
</button>
);
}
注意:对于这个答案,v6和v5之间的一个主要变化是useNavigate
,现在是首选的react 挂钩.useHistory
已弃用,不推荐使用.
React Router v5 - React 16.8+ with Hooks
如果你利用React Hooks,你可以利用来自React Router v5的useHistory
API.
import React, {useCallback} from 'react';
import {useHistory} from 'react-router-dom';
export default function StackOverflowExample() {
const history = useHistory();
const handleOnClick = useCallback(() => history.push('/sample'), [history]);
return (
<button type="button" onClick={handleOnClick}>
Go home
</button>
);
}
如果不想使用useCallback
,另一种编写单击处理程序的方法
const handleOnClick = () => history.push('/sample');
React Router v4 - Redirect Component
v4推荐的方法是允许渲染方法捕获重定向.使用状态或props 来确定是否需要显示重定向组件(然后触发重定向).
import { Redirect } from 'react-router';
// ... your class implementation
handleOnClick = () => {
// some action...
// then redirect
this.setState({redirect: true});
}
render() {
if (this.state.redirect) {
return <Redirect push to="/sample" />;
}
return <button onClick={this.handleOnClick} type="button">Button</button>;
}
参考:https://reacttraining.com/react-router/web/api/Redirect
React Router v4 - Reference Router Context
您还可以利用React组件公开的Router
的上下文.
static contextTypes = {
router: PropTypes.shape({
history: PropTypes.shape({
push: PropTypes.func.isRequired,
replace: PropTypes.func.isRequired
}).isRequired,
staticContext: PropTypes.object
}).isRequired
};
handleOnClick = () => {
this.context.router.push('/sample');
}
这就是<Redirect />
在引擎盖下的工作原理.
参考:https://github.com/ReactTraining/react-router/blob/master/packages/react-router/modules/Redirect.js#L46,L60
React Router v4 - Externally Mutate History Object
如果仍然需要执行类似于v2实现的操作,可以创建BrowserRouter
的副本,然后将history
作为可导出常量公开.下面是一个基本的例子,但如果需要的话,你可以用定制的props 组合它.在生命周期方面有一些值得注意的注意事项,但它应该总是重新启动路由,就像在v2中一样.这对于操作函数发出API请求后的重定向非常有用.
// browser router file...
import createHistory from 'history/createBrowserHistory';
import { Router } from 'react-router';
export const history = createHistory();
export default class BrowserRouter extends Component {
render() {
return <Router history={history} children={this.props.children} />
}
}
// your main file...
import BrowserRouter from './relative/path/to/BrowserRouter';
import { render } from 'react-dom';
render(
<BrowserRouter>
<App/>
</BrowserRouter>
);
// some file... where you don't have React instance references
import { history } from './relative/path/to/BrowserRouter';
history.push('/sample');
最新BrowserRouter
延长:https://github.com/ReactTraining/react-router/blob/master/packages/react-router-dom/modules/BrowserRouter.js
React Router v2
将新状态推送到browserHistory
实例:
import {browserHistory} from 'react-router';
// ...
browserHistory.push('/sample');
参考:https://github.com/reactjs/react-router/blob/master/docs/guides/NavigatingOutsideOfComponents.md