有没有人能告诉我如何回到上一页,而不是具体的路线?
当使用此代码时:
var BackButton = React.createClass({
mixins: [Router.Navigation],
render: function() {
return (
<button
className="button icon-left"
onClick={this.navigateBack}>
Back
</button>
);
},
navigateBack: function(){
this.goBack();
}
});
得到这个错误,goBack()被忽略,因为没有路由器历史
以下是我的路线:
// Routing Components
Route = Router.Route;
RouteHandler = Router.RouteHandler;
DefaultRoute = Router.DefaultRoute;
var routes = (
<Route name="app" path="/" handler={OurSchoolsApp}>
<DefaultRoute name="home" handler={HomePage} />
<Route name="add-school" handler={AddSchoolPage} />
<Route name="calendar" handler={CalendarPage} />
<Route name="calendar-detail" path="calendar-detail/:id" handler={CalendarDetailPage} />
<Route name="info-detail" path="info-detail/:id" handler={InfoDetailPage} />
<Route name="info" handler={InfoPage} />
<Route name="news" handler={NewsListPage} />
<Route name="news-detail" path="news-detail/:id" handler={NewsDetailPage} />
<Route name="contacts" handler={ContactPage} />
<Route name="contact-detail" handler={ContactDetailPage} />
<Route name="settings" handler={SettingsPage} />
</Route>
);
Router.run(routes, function(Handler){
var mountNode = document.getElementById('app');
React.render(<Handler /> , mountNode);
});
对我有用的是在我的文件顶部导入使用throuter;
import { withRouter } from 'react-router-dom'
然后用它来包装导出的函数在我的文件底部;
export default withRouter(WebSitePageTitleComponent)
然后允许我访问路由器的历史道具。完整的示例代码如下!
import React, { Component } from 'react'
import { withRouter } from 'react-router-dom'
import PropTypes from 'prop-types'
class TestComponent extends Component {
constructor(props) {
super(props)
this.handleClick = this.handleClick.bind(this)
}
handleClick() {
event.preventDefault()
this.props.history.goBack()
}
render() {
return (
<div className="page-title">
<a className="container" href="/location" onClick={this.handleClick}>
<h1 className="page-header">
{ this.props.title }
</h1>
</a>
</div>
)
}
}
const { string, object } = PropTypes
TestComponent.propTypes = {
title: string.isRequired,
history: object
}
export default withRouter(TestComponent)
像这样调用下面的组件:
<BackButton history={this.props.history} />
这是组件:
import React, { Component } from 'react'
import PropTypes from 'prop-types'
class BackButton extends Component {
constructor() {
super(...arguments)
this.goBack = this.goBack.bind(this)
}
render() {
return (
<button
onClick={this.goBack}>
Back
</button>
)
}
goBack() {
this.props.history.goBack()
}
}
BackButton.propTypes = {
history: PropTypes.object,
}
export default BackButton
我用的是:
"react": "15.6.1"
"react-router": "4.2.0"
根据https://reacttraining.com/react-router/web/api/history
对于“react-router-dom”:“^5.1.2”,,
const { history } = this.props;
<Button onClick={history.goBack}>
Back
</Button>
YourComponent.propTypes = {
history: PropTypes.shape({
goBack: PropTypes.func.isRequired,
}).isRequired,
};