The path-to-regexp used in react-router4 supports the following modes: var toPathRegexp = pathToRegexp.compile( user :id( d+) ) toPathRegexp({ id: 123 }) => " user 123" toPathRegexp({ id: 123 }) => " user 123" t...
Click on the home page, and then click on version detection. At this time, it all jumps normally. Look at the address bar, and then click on the home page. Why does the address become http: localhost:3000 -sharp install update erp? how to append ...
Today I used the react-router onEnter function to verify that the user is logged in. When I went to the official website to check the API document, I found that the V4 version of the document did not have this method, but the v3 document had a descriptio...
pass parameters through params, but can only one parameter be passed? <Route path=" Article :id" component={Article} > this.props.history.push(` Article ${id}`) can this method pass only one parameter? . How should I write if I ...
recently, in learning react, I would like to ask an experienced friend, in general, is the router of react set in app.js or index.js? ...
1. The page refreshes, but the active effect resets back to the first 2. Here is the code const menu = [] {menuUrl: console , menuName: }, {menuUrl: loanBefore , menuName: }, {menuUrl: loanLater , menuName: }, {menuUrl: cu...
the hash,location.hash used is empty index.js <Router> <Switch> <Route path=" " exact render={() =><Redirect to=" main" >} > <Route path=" login" exact component={L...
problems encountered in upgrading v4 the routes array does not have the function: the current menu of sub-routes or sub-routes of the menu remains expanded. For example, the user user, then user * matches of the side menu expansion....
1. Due to the needs of the business scenario, the route jump is controlled through js, and there is no programmatic route navigation in the react-router4 documents. https: codeshelper.com q 10. I found this article on the website, but I can only get...
ReactDom.render( (<Provider store={store}> <BrowserRouter> <Switch> <Route path=" login" exact component={Login} > <Route component={Layout} > < Switch> < BrowserRou...
encountered the following scenario when developing the page: Log in to the registration page, and the other pages (such as home page and details page) have different structures, but the other pages have the same page skeleton, such as the same head an...
Custom main.jsx renders a First,First with a Link in it and then opens Son,. How can I open Son,main and First without displaying them? **main.jsx** import React from "react"; import { BrowserRouter as Router, Switch,Route, Link } from "...
fetch(url) .then(res => res.text()) .then(result => { this.setState({ detail: result }); }); render () { return ( <div dangerouslySetInnerHTML={{ __html:thi...
background: I want to experience the features of the new version of react these days, so I want to update the react of the project to version 16. problem react is updated to 16.4, React.PropTypes is discarded, and after the project is run, it i...
I wonder if metadata can be passed in react like vue-router {path: , name: Home , component: Home, meta: {title: homepage } so I can display title somewhere on the page but how can react router define its own metadata or meta-attributes ...
write a simple DEMO,create-react-app + Express background access database, react front-end display. The development environment is running normally. the server release environment is also very simple, with node 10.9. After, npm run build according to ...
problem description use react-router-dom s HashRouter to create routes for Link to jump to, how to return to the previous layer without refreshing the page the environmental background of the problems and what methods you have tried "react-rout...
make a website, header and footer are fixed, and the intermediate content is matched by route. The code is as follows: class App extends React.Component { render () { return ( <div> <BackTop > <Layout className="layout&...
use the render method of react-router-dom s route tag, which cannot be rendered using this.props.children in the component related environment react16 related codes index.js import React from react ; import ReactDOM from react-dom ; impor...
<ul className="nav"> <li> <Link to=" section1">test1< Link> < li> <li> <Link to=" section2">test2< Link> < li> <li> <...
the iconfont https: www.jianshu.com p 293. processed here is completely ok locally, but there is a problem after it is packaged and launched. The icon is written in the same way as antd s Icon: < Icon type= "ai-delete " > Local normal display:...
originally, the timeout time set by my axios is 5 minutes, but the browser automatically timed out 2 minutes after the request was initiated. After searching for this problem for a long time, I found this problem on stackoverflow. https: stackoverflow...
because axios no longer supports jsonp, I installed the jsonp module, npm i jsonp-- save, in the way of netizens, and then introduced import jsonp from jsonp in one component. I want to request the link address of another website http: rrrrrrk.t...
How to customize the prompt box in echarts? Now my text is going to be put in this prompt box how can I put 1 into 2? This is how my curve is generated Echarts(item_id){ console.log(this.defaultID); item_id=i...
the above picture is my ideal design, and the following is the effect written in echarts. I would like to ask the great gods, how do you display all the weekly characters on Monday and the Japanese characters on Sunday, as well as the 0 on the Y axi...