search
HomeWeb Front-endJS TutorialReasons why v4 history cannot be accessed
Reasons why v4 history cannot be accessedJun 13, 2018 am 10:28 AM
domhistoryreactrouterV4

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 &#39;react&#39;;
// 需要这步,你要npm 这个,
import PropTypes from &#39;prop-types&#39;;
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.

Related articles:

How to use node.js and other technologies to implement the login and registration function?

How to use filter in vue

Issues about text avoidance in the front-end algorithm (detailed tutorial)

The above is the detailed content of Reasons why v4 history cannot be accessed. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
react中canvas的用法是什么react中canvas的用法是什么Apr 27, 2022 pm 03:12 PM

在react中,canvas用于绘制各种图表、动画等;可以利用“react-konva”插件使用canvas,该插件是一个canvas第三方库,用于使用React操作canvas绘制复杂的画布图形,并提供了元素的事件机制和拖放操作的支持。

react中antd和dva是什么意思react中antd和dva是什么意思Apr 21, 2022 pm 03:25 PM

在react中,antd是基于Ant Design的React UI组件库,主要用于研发企业级中后台产品;dva是一个基于redux和“redux-saga”的数据流方案,内置了“react-router”和fetch,可理解为应用框架。

React是双向数据流吗React是双向数据流吗Apr 21, 2022 am 11:18 AM

React不是双向数据流,而是单向数据流。单向数据流是指数据在某个节点被改动后,只会影响一个方向上的其他节点;React中的表现就是数据主要通过props从父节点传递到子节点,若父级的某个props改变了,React会重渲染所有子节点。

react中为什么使用nodereact中为什么使用nodeApr 21, 2022 am 10:34 AM

因为在react中需要利用到webpack,而webpack依赖nodejs;webpack是一个模块打包机,在执行打包压缩的时候是依赖nodejs的,没有nodejs就不能使用webpack,所以react需要使用nodejs。

react中forceupdate的用法是什么react中forceupdate的用法是什么Apr 19, 2022 pm 12:03 PM

在react中,forceupdate()用于强制使组件跳过shouldComponentUpdate(),直接调用render(),可以触发组件的正常生命周期方法,语法为“component.forceUpdate(callback)”。

react是组件化开发吗react是组件化开发吗Apr 22, 2022 am 10:44 AM

react是组件化开发;组件化是React的核心思想,可以开发出一个个独立可复用的小组件来构造应用,任何的应用都会被抽象成一颗组件树,组件化开发也就是将一个页面拆分成一个个小的功能模块,每个功能完成自己这部分独立功能。

react与vue的虚拟dom有什么区别react与vue的虚拟dom有什么区别Apr 22, 2022 am 11:11 AM

react与vue的虚拟dom没有区别;react和vue的虚拟dom都是用js对象来模拟真实DOM,用虚拟DOM的diff来最小化更新真实DOM,可以减小不必要的性能损耗,按颗粒度分为不同的类型比较同层级dom节点,进行增、删、移的操作。

react和reactdom有什么区别react和reactdom有什么区别Apr 27, 2022 am 10:26 AM

react和reactdom的区别是:ReactDom只做和浏览器或DOM相关的操作,例如“ReactDOM.findDOMNode()”操作;而react负责除浏览器和DOM以外的相关操作,ReactDom是React的一部分。

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Dreamweaver Mac version

Dreamweaver Mac version

Visual web development tools