[英]React - Wrong component rendering after calling history.push
我有一個非常基本的應用程序,只有幾個頁面:主頁、登錄和儀表板。 目標是讓用戶成功登錄並導航到儀表板。 目前,在我單擊登錄表單后,瀏覽器中的url/path
更新為/dashboard
,但我仍然看到auth
組件。 如果我在瀏覽器中進行刷新,我只能看到儀表板組件。 我究竟做錯了什么?
https://stackblitz.com/edit/react-scqvhp
"react": "^16.11.0",
"react-dom": "^16.11.0",
"react-router-dom": "^5.1.2",
"react-scripts": "3.2.0"
應用程序.js
export default function App() {
return (
<Router>
<div className="App">
<Switch>
<Route exact path="/">
<Home />
</Route>
<Route path="/auth">
<Auth />
</Route>
<Route path="/dashboard">
<Dashboard />
</Route>
</Switch>
</div>
</Router>
);
}
Auth.js
export default function Auth() {
let match = useRouteMatch();
return (
<div className="d-flex align-items-center bg-auth border-top border-top-2 border-primary vh-100">
<div className="container">
<div className="row justify-content-center">
<div className="col-12 col-md-5 col-xl-4 my-5">
<p>Auth</p>
<Router>
<Route path={`${match.path}/login`}><Login /></Route>
</Router>
</div>
</div>
</div>
</div>
);
};
登錄.js
export default function Login() {
let history = useHistory();
const submit = (e) => {
e.preventDefault();
history.push('/dashboard');
};
return (
<div>
<form onSubmit={submit} data-op-form-id="0">
<div className="form-group">
<label>Email Address</label>
<input type="email" className="form-control" placeholder="name@address.com" />
</div>
<div className="form-group">
<div className="row">
<div className="col">
<label>Password</label>
</div>
<div className="col-auto">
<a href="#" className="form-text small text-muted">
Forgot password?
</a>
</div>
</div>
<div className="input-group input-group-merge">
<input type="password" className="form-control form-control-appended" placeholder="Enter your password" />
<div className="input-group-append">
<span className="input-group-text">
<Eye/>
</span>
</div>
</div>
</div>
<button className="btn btn-lg btn-block btn-primary mb-3">Sign in</button>
<div className="text-center">
<small className="text-muted text-center">Don't have an account yet? <a href="#">Sign up</a>.</small>
</div>
</form>
</div>
);
};
儀表板.js
export default function Dashboard() {
return (
<div>
<Sidebar/>
<p>Dashboard</p>
</div>
);
};
刪除Auth
中的嵌套Router
,它將與 URL 路由沖突,即沒有為嵌套路由器聲明/dashboard
路由,因此它呈現沒有子視圖的Auth
視圖
export default function Auth() {
let match = useRouteMatch();
return (
<div className="d-flex align-items-center bg-auth border-top border-top-2 border-primary vh-100">
<div className="container">
<div className="row justify-content-center">
<div className="col-12 col-md-5 col-xl-4 my-5">
<p>Auth</p>
<Route path={`${match.path}/login`}><Login /></Route>
</div>
</div>
</div>
</div>
);
};
每個應用程序只需要一個Router
實例,請參閱有關嵌套的文檔
您的路線設置不正確。 這是一個現場演示
<Router>
<div className="App">
<Switch>
<Route exact path="/">
<Home />
</Route>
<Route exact path="/auth">
<Auth />
</Route>
<Route exact path="/auth/login">
<Login />
</Route>
<Route path="/dashboard">
<Dashboard />
</Route>
</Switch>
</div>
</Router>
同時從auth.js
中刪除路由器
<Router>
<Route path={`${match.path}/login`}><Login /></Route>
</Router>
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