jon*_*nny 2 javascript reactjs react-router-dom
**我使用 react-router-dom 版本 6,当我使用 this.props.history.push('/UserDashboard') 它不起作用,我用 const history = createBrowserHistory(); history.push('/UserDashboard') 但我仍然有一个问题,当我想重定向到 '/UserDashboard' 只是链接发生变化而页面仍然是第一个??
有什么帮助吗??**
handleSubmit(event){
event.preventDefault();
const history = createBrowserHistory();
axios({
method: "POST",
url:"http://localhost:3001/users/login",
data: this.state
}).then((response)=>{
console.log(response.data.user.admin)
if (response.data.success === true && response.data.user.admin === false){
const history = createBrowserHistory();
history.push({
pathname:"/users",
state:{
Key : response.data.user }
});
}else if(response.statusCode === 401 ){
alert("Invalid username or password");
window.location.reload(false);
}
})
}
Run Code Online (Sandbox Code Playgroud)
我的 routes.js 文件:
import React from 'react';
import { Navigate } from 'react-router-dom';
import DashboardLayout from './Pages/DashboardLayout';
import AccountView from './Pages/views/account/AccountView';
import CustomerListView from './Pages/views/customer/CustomerListView';
import DashboardView from './Pages/views/reports/DashboardView';
import ProductListView from './Pages/views/product/ProductListView';
import SettingsView from './Pages/views/settings/SettingsView';
import Home from './Pages/home';
import About from './Pages/About';
import Partners from './Pages/Partners';
import Services from './Pages/services';
import Login from './Pages/Login';
import RD from './Pages/RD';
import ContactUs from './Pages/contactus';
import Apply from './Pages/apply';
import PartnerShip from './Pages/partnership';
import News from './Pages/News';
const routes = [
{
path: 'users',
element: <DashboardLayout />,
children: [
{ path: 'account', element: <AccountView /> },
{ path: 'customers', element: <CustomerListView /> },
{ path: 'dashboard', element: <DashboardView /> },
{ path: 'products', element: <ProductListView /> },
{ path: 'settings', element: <SettingsView /> }
]
},
{
path: '/',
element: <Home />,
},
{
path: 'about',
element: <About />
},
{path: 'partners',
element: <Partners />,
},
{
path: 'services',
element: <Services />,
},
{
path: 'contactus',
element: <ContactUs />,
},
{
path: 'login',
element: <Login />,
},{
path: 'RD',
element: <RD />,
},
{
path: 'apply',
element: <Apply />,
},
{
path: 'partnership',
element: <PartnerShip />,
},
{
path: 'News',
element: <News />,
}
];
export default routes;
Run Code Online (Sandbox Code Playgroud)
Poy*_*man 38
基于react-router-dom源代码,你可以做类似的事情
// === Javascript version === //
import { Router } from 'react-router-dom';
const CustomRouter = ({
basename,
children,
history,
}) => {
const [state, setState] = React.useState({
action: history.action,
location: history.location,
});
React.useLayoutEffect(() => history.listen(setState), [history]);
return (
<Router
basename={basename}
children={children}
location={state.location}
navigationType={state.action}
navigator={history}
/>
);
};
Run Code Online (Sandbox Code Playgroud)
// === typescript version === //
import * as React from "react";
import { BrowserHistory } from "history";
import { Router, Navigator } from "react-router-dom";
type Props = {
basename?: string;
children: React.ReactNode;
history: BrowserHistory;
}
const CustomRouter = ({ basename, children, history }: Props) => {
const [state, setState] = React.useState({
action: history.action,
location: history.location,
});
React.useLayoutEffect(() => history.listen(setState),[history])
return (
<Router
basename={basename}
location={state.location}
navigator={history}
navigationType={state.action}
>
{children}
</Router>
);
};
Run Code Online (Sandbox Code Playgroud)
然后让你的历史来自外部:
import { createBrowserHistory } from 'history';
const history = createBrowserHistory();
<CustomRouter history={history}>
...
</CustomRouter>
Run Code Online (Sandbox Code Playgroud)
小智 22
我们都知道react-router-dom v6中不再有{useHistory}之类的东西。有更好的方法来完成 useHistory 的工作。
首先导入 useNavigate ...
import { useNavigate } from 'react-router-dom';
然后导入后执行此操作
function Test() {
const history = useNavigate();
function handleSubmit(e) {
e.preventDefault();
history('/home');
}
return (
<form onSubmit={handleSubmit}>
<button>Subimt</button>
</form>
)
}
Run Code Online (Sandbox Code Playgroud)
小智 10
Reactjs v6 附带了 useNavigate 而不是 useHistory。
=> 首先,你必须像这样导入它: import {useNavigate} from 'react-router-dom'。
=> 那么你只能在 React 功能组件下使用它,如下所示:
常量导航 = useNavigate() ;
=>然后你想导航哪条路线,只需输入路线名称,如下所示:
导航(“/关于”);
示例:如果您想在单击按钮后导航到“关于”页面。那么您应该输入
在此 onClick 事件下导航(“/about”) :
<button onClick = {()=>navigate("/about")}>转到关于页面
谢谢。
用户使用Navigate react-router-domv6
import {useNavigate} from 'react-router-dom';
const navigate = useNavigate();
navigate('/home')
Run Code Online (Sandbox Code Playgroud)
在 react-router-dom v6 中,您需要使用useNavigate而不是 useHistory。
请参阅https://reacttraining.com/blog/react-router-v6-pre/ 中的示例
import React from 'react';
import { useNavigate } from 'react-router-dom';
function App() {
let navigate = useNavigate();
let [error, setError] = React.useState(null);
async function handleSubmit(event) {
event.preventDefault();
let result = await submitForm(event.target);
if (result.error) {
setError(result.error);
} else {
navigate('success');
}
}
return (
<form onSubmit={handleSubmit}>
// ...
</form>
);
}
Run Code Online (Sandbox Code Playgroud)
小智 6
Typescript CustomBrowserRouter 基于@Poyoman 的回答:
创建 CustomBrowserRouter 组件:
import React from "react";
import { BrowserHistory, Action, Location } from "history";
import { Router } from "react-router-dom"
interface CustomRouterProps {
basename?: string,
children?: React.ReactNode,
history: BrowserHistory
}
interface CustomRouterState {
action: Action,
location: Location
}
export default class CustomBrowserRouter extends React.Component<CustomRouterProps, CustomRouterState> {
constructor(props: CustomRouterProps) {
super(props);
this.state = {
action: props.history.action,
location: props.history.location
};
React.useLayoutEffect(() => props.history.listen(this.setState), [props.history]);
}
render() {
return (
<Router
basename={this.props.basename}
children={this.props.children}
location={this.state.location}
navigationType={this.state.action}
navigator={this.props.history}
/>
);
}
}
Run Code Online (Sandbox Code Playgroud)
使用自定义浏览器路由器:
import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import { createBrowserHistory } from "history";
import CustomBrowserRouter from './CustomRouter/CustomBrowserRouter';
let history = createBrowserHistory();
ReactDOM.render(
<React.StrictMode>
<CustomBrowserRouter history={history}>
<App />
</CustomBrowserRouter>
</React.StrictMode>,
document.getElementById('root')
);
Run Code Online (Sandbox Code Playgroud)
小智 6
解决方案是
在 v6 中,应重写此应用程序以使用导航 API。大多数时候,这意味着将 useHistory 更改为 useNavigate 并更改history.push 或history.replace 调用站点。
// This is a React Router v5 app
import { useHistory } from "react-router-dom";
function App() {
let history = useHistory();
function handleClick() {
history.push("/home");
}
return (
<div>
<button onClick={handleClick}>go home</button>
</div>
);
}
Run Code Online (Sandbox Code Playgroud)
查看文章.... https://reactrouter.com/en/v6.3.0/upgrading/v5#use-usenavigate-instead-of-usehistory
// This is a React Router v6 app
import { useNavigate } from "react-router-dom";
function App() {
let navigate = useNavigate();
function handleClick() {
navigate("/home");
}
return (
<div>
<button onClick={handleClick}>go home</button>
</div>
);
}
Run Code Online (Sandbox Code Playgroud)
导航push和导航return不是必需的。
| 归档时间: |
|
| 查看次数: |
4316 次 |
| 最近记录: |