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react-router-dom实现全局路由登陆拦截
阅读量:6826 次
发布时间:2019-06-26

本文共 3442 字,大约阅读时间需要 11 分钟。

  相比与vue的路由集中式管理,能够很好的进行统一的路由操作,react的路由看起来更乱,想要进行像vue的全局路由管理不是那么得心应手。在我们的项目中,有很多页面是需要登陆权限验证的,最好的方式就是能够统一管理,而不是每个页面都要单独处理,下面是我的实现方法:

  首先我们建一个文件routerMap.js用来存储所有的路由信息,定义需要登陆拦截的页面(auth):

//routerMap.jsimport Index from '../containers';import Detail from '../containers/detail';import Home from '../containers/home';import List from '../containers/list';import Topics from '../containers/topics';import Parents from '../containers/passValue/parents';import Children from '../containers/passValue/children';import Request from '../containers/ajax';import Like from '../containers/like';import PopModule from '../containers/popModule/popModule';import Reduxs from '../containers/redux/redux';import Login from '../containers/login/login';import Workers from '../containers/worker/worker';import IndexedDB from '../containers/indexedDB/indexedDB';export default [  { path: "/", name: "App", component: Index },  { path: "/home", name: "Home", component: Home },  { path: "/topics", name: "Topics", component: Topics },  { path: "/detail/:id", name: "Detail", component: Detail },  { path: "/list", name: "List", component: List },  { path: "/parents", name: "Parents", component: Parents },  { path: "/children", name: "Children", component: Children },  { path: "/ajax", name: "Request", component: Request, auth: true },  { path: "/like", name: "Like", component: Like, auth: true },  { path: "/popModule", name: "PopModule", component: PopModule, auth: true },  { path: "/redux", name: "Reduxs", component: Reduxs, auth: true },  { path: "/login", name: "Login", component: Login },  { path: "/worker", name: "Worker", component: Workers },  { path: "/indexedDB", name: "indexedDB", component: IndexedDB }]

 

  然后在App.js里面引入:

1 //App.js 2 import React from 'react'; 3 import { 4   BrowserRouter as Router, 5   Route, 6   Switch, 7   Redirect 8 } from 'react-router-dom'; 9 import { connect } from 'react-redux'10 import Routers from './router/routerMap'11 12 // 公共头部组件13 import Header from './common/header'14 // 404页面15 import NotFound from './containers/notFound'16 17 18 class App extends React.Component {19   constructor(props) {20     super(props)21   }22   render() {23     let token = this.props.token24     return (25       
26
27
28
29 {Routers.map((item, index) => {30 return
31 (!item.auth ? (
) : (token ?
:
)35 )} />36 })}37 // 所有错误路由跳转页面38
39
40
41
42 )43 }44 }45 46 // redux拿到token并挂载到App的props上面47 const mapStateToProps = (state, ownProps) => {48 return { token: state.token }49 }50 51 export default connect(mapStateToProps)(App)

  以上代码最重要的点是Route组建里面用render属性替换component来渲染页面,根据routerMap.js中的每一条路由信息中的auth(自定义)字段来区分是否需要进行登陆拦截,再根据redux里面的token字段来判断是不是登陆状态,然后进行相关的操作。如果已经拦截了就把当前的路由通过Redirectstate来传递到登陆页面,在登陆页面打印this.props来看控制台的输出:

  以上红框内的信息即为重定向之前的页面信息,如果登陆成功之后回跳from.pathname即可:

// 登陆成功方法 login.jsxsetToken() {  let token = this.state.user + this.state.pwd  if (!token) return  let RedirectUrl = this.props.location.state ? this.props.location.state.from.pathname : '/'  // 修改redux中的token值  this.props.changeActive(token)  // 登陆成功之后的跳转  this.props.history.push(RedirectUrl)}

  react全局的登陆拦截方法到此就完成了

 

转载于:https://www.cnblogs.com/kdcg/p/9309600.html

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