Home > Web Front-end > JS Tutorial > body text

Detailed explanation of login verification control steps for React from react-router route

php中世界最好的语言
Release: 2018-05-22 11:22:53
Original
2904 people have browsed it

This time I will bring you a detailed explanation of the login verification control steps of React from react-routerrouting, and a detailed explanation of the login verification control steps of React from react-routerNotesThere are Which ones, the following are practical cases, let’s take a look.

Verification code

import React from 'react'
import {connect} from 'react-redux';
function requireAuthentication(Component) {
 // 组件有已登陆的模块 直接返回 (防止从新渲染)
 if (Component.AuthenticatedComponent) {
  return Component.AuthenticatedComponent
 }
 // 创建验证组件
 class AuthenticatedComponent extends React.Component {
  static contextTypes = {
   router: React.PropTypes.object.isRequired,
  }
  state = {
   login: true,
  }
  componentWillMount() {
   this.checkAuth();
  }
  componentWillReceiveProps(nextProps) {
   this.checkAuth();
  }
  checkAuth() {
   // 判断登陆
   const token = this.props.token;
   const login = token ? token.login : null;
   // 未登陆重定向到登陆页面
   if (!login) {
    let redirect = this.props.location.pathname + this.props.location.search;
    this.context.router.push('/login?message=401&redirect_uri=' + encodeURIComponent(redirect));
    return;
   }
   this.setState({login});
  }
  render() {
   if (this.state.login) {
    return <Component {...this.props}/>
   }
   return ''
  }
 }
 // 不使用 react-redux 的话直接返回
 // Component.AuthenticatedComponent = AuthenticatedComponent
 // return Component.AuthenticatedComponent
 function mapStateToProps(state) {
  return {
   token: state.token,
  };
 }
 function mapDispatchToProps(dispatch) {
  return {};
 }
 Component.AuthenticatedComponent = connect(mapStateToProps, mapDispatchToProps)(AuthenticatedComponent);
 return Component.AuthenticatedComponent
}
Copy after login

Use on routing

<Router history={browserHistory}>
 <Route path="/admin" component={requireAuthentication(AdminComponent)} />
</Router>
Copy after login

I believe you have mastered the method after reading the case in this article, more Please pay attention to other related articles on the php Chinese website!

Recommended reading:

React routing management React Router usage steps detailed explanation

Analysis of Vue.js download method and usage steps

The above is the detailed content of Detailed explanation of login verification control steps for React from react-router route. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
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
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!