react-router-dom@6获取路由传参

本文主要是介绍react-router-dom@6获取路由传参，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

router/index.tsx

import App from "App";
import Home from "pages/Home";
import List from "pages/List";
import Detail from "pages/Detail";
import About from "pages/About";
import Login from "pages/Login";
import { BrowserRouter as Router, Routes, Route } from "react-router-dom";

const MyRouter = () => (
  <Router>
    <Routes>
      <Route path="/" element={<App />}>
        <Route index element={<Home />}></Route>
        <Route path="/list/" element={<List />}></Route>
        <Route path="/list/:id" element={<List />}></Route>
        <Route path="/detail" element={<Detail />}></Route>
        <Route path="/about" element={<About />}></Route>
      </Route>
      <Route path="/login" element={<Login />}></Route>
    </Routes>
  </Router>
);

export default MyRouter;

App.tsx

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

function App() {
  return (
    <div>
      <ul>
        <li>
          <Link to={"/list"}>列表页(不带id)</Link>
        </li>
        <li>
          <Link to={"/list/456"}>列表页(带id)</Link>
        </li>
        <li>
          <Link to={"/detail?id=123"}>详情页</Link>
        </li>
        <li>
          <Link to={"/about"}>关于我们</Link>
        </li>
      </ul>
      <Outlet />
    </div>
  );
}

export default App;

参数获取

1、子路由形式携带

如上面代码的点击列表页带id "/list/456" 跳转列表页

<Route path="/list/:id" element={<List />}></Route>

此时可以使用React Router Dom提供的Hook  useParams  在列表页获取：

List.tsx

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

export default function List() {
  const { id } = useParams();
  return (
    <div>
      <h1>列表 - id: {id}</h1>
      <h1>yusir</h1>
    </div>
  );
}

 2、问号(?)形式参数

<Link to={"/detail?id=123"}>详情页</Link>

点击携带参数进入详情页

此时可以使用React Router Dom提供的Hook  useSearchParams 在详情页获取：

Detail.tsx

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

export default function Detail() {
  const [params] = useSearchParams();
  console.log(params.getAll('id'))    // ['123']
  let myId = params.getAll("id")[0];
  return (
    <div>
      <h1>Detail - id: {myId}</h1>
      <h1>yusir</h1>
    </div>
  );
}

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