Reasons why v4 history cannot be accessed
This article mainly introduces to you the solution to the problem that react-router/react-router-dom v4 history cannot be accessed. The article introduces it in detail through sample code, and it has certain reference for everyone's study or work. Value, friends who need it, come and learn together.
Preface
React-router has been upgraded recently. When using react-router-dom, sub-components use this.props. history can’t be found. I looked at the official documentation and couldn’t find it for a long time, because I jump to the page after the asynchronous execution is completed. I need to use push or replace. What should I do? Domestic knowledge is copied from me. I copied yours, they're all rubbish. I can only go to Google,
Finally found the answer: (Look at the code to see it clearly)
Solution
First use router
import React, { Component } from 'react';
import { BrowserRouter, Route } from 'react-router-dom';
import { Provider } from 'mobx-react';
import stores from '../store/index';
import Bundle from '../components/bundle';
import Hello from 'bundle-loader?lazy!../components/hello.jsx';
// 这是按需加载，对于现在讨论的问题没有影响
const HelloAPP = () => (
<Bundle load={Hello}>
{(Hello) => <Hello />}
</Bundle>
);
export default class App extends Component {
constructor(props) {
super(props);
}
render() {
return (
<Provider { ...stores }>
<BrowserRouter basename="/">
<Route path="/" component={HelloAPP}/>
</BrowserRouter>
</Provider>
);
};
}Then is the history of the use of subcomponents
import React, { Component } from 'react';
// 需要这步，你要npm 这个，
import PropTypes from 'prop-types';
export default class Hello extends Component {
constructor(props) {
super(props);
}
// 这一步是重点
static contextTypes = {
router: PropTypes.object.isRequired
};
test = () => {
console.log(this.context);
setTimeout(() => {
this.context.router.history.push("/otherPath");
}, 1000);
};
render() {
return (
<p>
<button onClick={this.test}>按钮</button>
</p>
);
};
}Let us take a look at this.context:
The above is what I compiled for everyone Yes, I hope it will be helpful to everyone in the future.
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