是否有一种方法可以阻止用户直接访问我的应用程序上的URL?例如,我们有一个以localhost:3000 / scheduling访问的页面,但我想重新路由回主页。我找不到许多有帮助的文章可以实现这一目标。我正在使用React。
谢谢!
您可以通过多种方式来完成,这只是一个示例:
const location = useLocation();
let history = useHistory();
if(location.state == undefined || location.state == null || location.state == ''){
history.push("/");
}
'/'默认是您的主页。
您可以检查此示例:
import React from 'react'
import {
BrowserRouter as Router,
Route,
Link,
Redirect,
withRouter
} from 'react-router-dom'
const fakeAuth = {
isAuthenticated: false,
authenticate(cb) {
this.isAuthenticated = true
setTimeout(cb, 100)
},
signout(cb) {
this.isAuthenticated = false
setTimeout(cb, 100)
}
}
const Public = () => <h3>Public</h3>
const Protected = () => <h3>Protected</h3>
class Login extends React.Component {
state = {
redirectToReferrer: false
}
login = () => {
fakeAuth.authenticate(() => {
this.setState(() => ({
redirectToReferrer: true
}))
})
}
render() {
const { from } = this.props.location.state || { from: { pathname: '/' } }
const { redirectToReferrer } = this.state
if (redirectToReferrer === true) {
return <Redirect to={from} />
}
return (
<div>
<p>You must log in to view the page</p>
<button onClick={this.login}>Log in</button>
</div>
)
}
}
const PrivateRoute = ({ component: Component, ...rest }) => (
<Route {...rest} render={(props) => (
fakeAuth.isAuthenticated === true
? <Component {...props} />
: <Redirect to={{
pathname: '/login',
state: { from: props.location }
}} />
)} />
)
export default function AuthExample () {
return (
<Router>
<div>
<ul>
<li><Link to="/public">Public Page</Link></li>
<li><Link to="/protected">Protected Page</Link></li>
</ul>
<Route path="/public" component={Public}/>
<Route path="/login" component={Login}/>
<PrivateRoute path='/protected' component={Protected} />
</div>
</Router>
)
}