Home Web Front-end JS Tutorial Detailed explanation of login verification control steps for React from react-router route

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

May 22, 2018 am 11:22 AM
react react-router verify

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

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