How to implement jump value transfer in react

React jump value transfer method: 1. Realize page jump through "history.push" or "NavLink"; 2. Through "this.props.history.push({pathname: 'login' ,query: {id: ...,name: ...}})this.props.history.push('modify')" can be passed by value.

The operating environment of this tutorial: Windows 10 system, react18.0.0 version, Dell G3 computer.

How to implement jump value transfer in react?

react project page jump/pass value

##1. Jump

##1. history.push jump

Quote withRouter

• Export When using components, use

• import { withRouter } from 'react-router-dom'；
  
  class Header extends React.Component {
  
  }
  export default withRouter(Header);

2. NavLink jump

import { NavLink } from "react-router-dom";
<navlink>修改密码</navlink>

2. Pass value

1. The route passes the value query/params

this.props.history.push({
    pathname: 'login',
    query: {
        id: 3231,
        name: 3231
    }})this.props.history.push('modify')

2. The route passes the value to get the parameters

this.props.match.query.id // 3231
this.props.match.params.name // 3231

3. Props pass value

Parent component:

<pre class="brush:php;toolbar:false">state = {     collapsed: false,};render() {     const { collapsed } = this.state;     return (         &lt;slider&gt;&lt;/slider&gt;     )}</pre>

Child component:

<pre class="brush:php;toolbar:false">componentDidMount(){     // console.log(this.props)     const { pathname } = this.props.location    if( pathname ) {         this.setState({                            selectedKeys:this.props.location.pathname        })     }}</pre>

console.log( this.props)

# Recommended study:《

react video tutorial》

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