v5和v6的区别

import { BrowserRouter as Router, Routes, Route } from 'react-router-dom'; 

使用 <Routers>包裹 来替代之前版本的<switch>且Route必须被包裹在Routes中

<Route path="/pd3" component={Channel3}></Route>

改为

<Route path="/pd3" element={<Channel3/>}></Route>

//component改成element且内部写成组件形式（不能写成函数，否则会报错）

//useNavigate代替useHistory

//useNavigate()只可以用在<路由器>上下文的组件中。

 

1.路由组件

(1-1) v6 方式一 react-router-dom 常规
(1-2) v6 方式二 react-router-dom 使用 useRoutes

2.页面跳转

(2-1) Link 组件跳转
(2-2) useNavigate hooks跳转，代替useHistory

3.获取路由的参数

(3-1) useParams 获取动态路由的值
(3-2) useSearchParams 获取查询字符串的值
(3-3) useLocation 获取上一个页面传递进来的 state 参数 v5、v6一样

 

1.路由组件
BrowserRouter：引用不变
Routes：替换 v5 的 Switch 组件
Route：引用不变。参数 element 替换 v5 的 component、render 组件

(1-1) 创建 src/routers/index.js

import Home from '../views/Home';
import About from '../views/About'
import Err404 from '../views/Err404'
const routers = [
{
title: '首页',
path: '/',
component: Home,
},
{
title: '关于',
path: '/inbox',
component: About,
},
{
title: '404',
path: '/inbox',
component: Err404,
}
];

export default routers;

(1-2) 调用

v6 方式一 react-router-dom 常规（推荐 - 可以设置title更方便）

// v6 方式一

import React from 'react';
import { BrowserRouter as Router, Routes, Route } from 'react-router-dom';
import routers from './routers';

const App = () => {
return (
<Router>
<Routes> // 不是老版本的：Switch
{routers.map((item, index) => {
return (
<Route
key={index}
exact
path={item.path}
element={<item.component />} // 不是老版本的：component 或 render
// onEnter、onBeforeMount、onMounted事件，会在组件初始化时执行一次，切换路由不执行
// 若 修改 document.title 查看文档：https://blog.csdn.net/weixin_44461275/article/details/122843160
/>
);
})}
</Routes>
</Router>
);
};

export default App;

//v5

import React from 'react';
import { BrowserRouter as Router, Switch, Route } from 'react-router-dom';
import routers from './routers';

const App = () => {
return (
<Router>
<Switch>
{routers.map((item, index) => {
return (
<Route
key={index}
exact
path={item.path}
render={() => { // 推荐使用 render 不用 component
document.title = item.title;
return <item.component />;
}}
//或：
//component={<item.component />}
/>
);
})}
</Switch>
</Router>
);
};

export default App;

 

v6 方式二 react-router-dom + 使用 useRoutes

//路由json组件
import Layout from '../layout'
import About from '../views/About'
import Home from '../views/Home'
import AboutIndex from '../views/About/Component/AboutIndex'
import AboutList from '../views/About/Component/AboutList'
import Error404 from '../views/Error404'

const routes = [
{
path: "/",
element: <Layout />,
children: [
{
index : true,
element: <Home />
},
{
path: "/about",
element: <About />,
children: [
{ index : true, element: <AboutIndex />},
{ path : "/about/:id", element :<AboutList />}
]
},
]
},
{
path: "*",
element: <Error404 />,
}
]

export default routes

//app.js
import React from 'react';
import { BrowserRouter as Router, useRoutes } from 'react-router-dom';
import routers from '../routers';

function App() {
const GetRoutes = () => useRoutes(routers); //一定要是函数内

return (
<Router>
<GetRoutes />
</Router>
);
}

export default App;

 

2.页面跳转
(2-1) Link 组件跳转

import React from "react";
import { Link } from "react-router-dom";

function DEMO() {
return (
<Link to="/aaa">点击跳转页面</Link>
);
}

 

export default DEMO;

(2-2) useNavigate hooks跳转，代替useHistory

import React from "react";
import { useNavigate } from "react-router-dom";

function DEMO() {
const navigate = useNavigate();

// 点击跳转页面
function hrefAaa() {
navigate('/aaa')
}

// history replace模式
function hrefReplace() {
navigate("/aaa", { replace: true });
}

// history.go(-1)
function historyBack() {
navigate(-1);
}

// 跳转带参数
function hrefState() {
navigate("/test", {
state: { test: 111 },
});
}

return (
<>
<div onClick={hrefAaa}>点击跳转页面</div>
<div onClick={hrefReplace}>history replace模式</div>
<div onClick={historyBack}>返回上一个页面</div>
</>
);
}

export default DEMO;

3.获取路由的参数

useParams 获取动态路由的值
useSearchParams 获取查询字符串的值
useLocation 获取上一个页面传递进来的 state 参数 v5、v6一样
import React,{ useEffect } from "react";
import { useParams, useSearchParams, useLocation } from "react-router-dom";

export default function GoodsDetail() {
const params = useParams(); // 获取动态路由的值
const [searchParams, setSearchParams] = useSearchParams(); // 获取查询字符串的值
const location = useLocation(); // 获取上一个页面传递进来的 state 参数

useEffect(() => {
// 一个对象，key 为动态字符串的 key
console.log(params); // {id: '123'}

console.log(location.state); // { test: 111 } 上一个页面带参获取 非url上面的search

// 输入 http://localhost:3000/goods/123?name=1111
console.log(searchParams.get("name")); // 111
}, []);

const handleSetSearch = () => {
// 新增-修改
setSearchParams({
keyName: 2222
}); // /aaa?keyName=2222
};

return (
<div onClick={handleSetSearch}>Page</div>
);
}

(269条消息) react-router-dom v6 版本使用内容详解_搬砖的前端的博客-CSDN博客