[英]React-router-dom Protected Routes are not working
受保护的 Routes.js:
在受保护的路由中,您可以看到我在 if 语句中直接使用 false 但我仍然能够看到该页面,为什么?
import React from 'react';
import { Route } from 'react-router-dom';
// import Auth from './User/Auth';
import Error401 from './Error/401';
// create a component for protected route
console.log('Routes.js');
export const ProtectedRoute = ({ element: Element, ...rest }) => {
console.log("Function Called")
return (
<Route {...rest} render={props => {
if(false){
return <Element {...props} />
}else{
return <Error401 />
}
}
} />
)
}
App.js:这是我在其中使用受保护路由组件的 app.js
import './App.css';
import React from 'react';
import { BrowserRouter, Route, Routes } from 'react-router-dom';
import { Layout } from 'antd';
import { MoneyCollectOutlined } from '@ant-design/icons';
import Login from './Components/User/Login';
import Signup from './Components/User/Signup';
import {ProtectedRoute} from './Components/Routes';
import Error404 from './Components/Error/404';
function App() {
return (
<BrowserRouter>
<Layout style={{minHeight:"100vh"}}>
<Layout.Header>
<h1 style={{color:"white"}} align="center"> <MoneyCollectOutlined/>MoneyG</h1>
</Layout.Header>
<Layout.Content style={{minHeight:"100%"}}>
<Routes>
<ProtectedRoute exact path="/register" element={<Signup/>} />
<ProtectedRoute exact path="/login" element={<Login/>} />
<Route path="*" element={<Error404/>} />
</Routes>
</Layout.Content>
</Layout>
</BrowserRouter>
);
}
export default App;
首先, <Routes>
元素应该只有<Route>
元素作为子元素。 您应该将保护逻辑向下移动一层。
其次, render
道具在 V6 中不再存在。 它被替换为element
。 请参阅文档。
以下是您可以解决的方法:
<Routes>
<Route exact path="/register" element={(
<ProtectedRoute>
<Signup/>
</ProtectedRoute>
)} />
<Route exact path="/login" element={(
<ProtectedRoute>
<Login/>
</ProtectedRoute>
)} />
<Route path="*" element={<Error404/>} />
</Routes>
和:
const ProtectedRoute = () => {
if (condition) { return <Error401 />; } // You might as well use Navigate here
return children;
};
您可以使用 createContext 和 useContext
//store/AuthApi.jsx
import { createContext } from "react";
const AuthApi = createContext();
export default AuthApi;
然后定义上下文app.jsx
import React, from 'react'
import { AllRoutes } from 'routes/Routes';
import { BrowserRouter as Router } from "react-router-dom";
import AuthApi from 'store/AuthApi';
const App = () => {
const [user, setUser] = useState(false);
useEffect(() => {
// you can get user from localStorage or Cookie(js-cookie npm)
//then you can change user state true or false
}, [])
return (
<>
<AuthApi.Provider value={{ user, setUser }}>
<Router>
<AllRoutes />
</Router>
</AuthApi.Provider>
<Toast />
</>
)
}
export default App
然后查看 AllRoutes
//routes/Routes
import React, { useContext } from "react";
import { Routes, Route } from "react-router-dom";
import { SignIn, SignUp, Dashboard } from "pages";
import AuthApi from "store/AuthApi";
export const ProtectedRouting = () => {
return (
<Routes >
<Route path='/' exact element={<Dashboard />} />
// add more protected routes
</Routes>
)
}
export const AuthRouting = () => {
return (
<Routes >
<Route exact={true} path='/sign-in' element={<SignIn />} />
<Route exact={true} path='/sign-up' element={<SignUp />} />
</Routes>
)
}
export const AllRoutes = ()=> {
const context = useContext(AuthApi);
console.log(context.user)
return (
context.user ?
<ProtectedRouting />
: <AuthRouting />
)
}
页面/SignIn.jsx
import React,{ useContext } from 'react';
import AuthApi from "store/AuthApi";
const SignIn = () => {
const context = useContext(AuthApi);
const signInSubmit =(e)=> {
e.preventDefault();
//post request to signin
// if login is successfull then save user or token in cookie or localStorage or something
context?.setUser(true);
//...
}
return (
//signin code here
<form onSubmit={signInSubmit}>
///input here
</form>
)
}
export default SignIn
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