我使用了一个名为query-string的外部包来解析url参数，如下所示。

import React, {Component} from 'react'
import { parse } from 'query-string';

resetPass() {
    const {password} = this.state;
    this.setState({fetching: true, error: undefined});
    const query = parse(location.search);
    return fetch(settings.urls.update_password, {
        method: 'POST',
        headers: {'Content-Type': 'application/json', 'Authorization': query.token},
        mode: 'cors',
        body: JSON.stringify({password})
    })
        .then(response=>response.json())
        .then(json=>{
            if (json.error)
                throw Error(json.error.message || 'Unknown fetch error');
            this.setState({fetching: false, error: undefined, changePassword: true});
        })
        .catch(error=>this.setState({fetching: false, error: error.message}));
}

最受欢迎的答案中的链接是死的，因为SO不让我评论，对于ReactRouter v6.3.0，你可以使用params钩子

import * as React from 'react';
import { Routes, Route, useParams } from 'react-router-dom';

function ProfilePage() {
  // Get the userId param from the URL.
  let { userId } = useParams();
  // ...
}

function App() {
  return (
    <Routes>
      <Route path="users">
        <Route path=":userId" element={<ProfilePage />} />
        <Route path="me" element={...} />
      </Route>
    </Routes>
  );
}

使用let {redirectParam} = useParams();如果你用的是功能组件

它是一个类组件

constructor (props) {  
        super(props);
        console.log(props);
        console.log(props.match.params.redirectParam)
}
async componentDidMount(){ 
        console.log(this.props.match.params.redirectParam)
}

我使用了一个名为query-string的外部包来解析url参数，如下所示。

import React, {Component} from 'react'
import { parse } from 'query-string';

resetPass() {
    const {password} = this.state;
    this.setState({fetching: true, error: undefined});
    const query = parse(location.search);
    return fetch(settings.urls.update_password, {
        method: 'POST',
        headers: {'Content-Type': 'application/json', 'Authorization': query.token},
        mode: 'cors',
        body: JSON.stringify({password})
    })
        .then(response=>response.json())
        .then(json=>{
            if (json.error)
                throw Error(json.error.message || 'Unknown fetch error');
            this.setState({fetching: false, error: undefined, changePassword: true});
        })
        .catch(error=>this.setState({fetching: false, error: error.message}));
}

我花了很长时间才解决这个问题。如果以上都不行，你可以试试这个。我正在使用创建-反应应用程序

需求

react-router-dom ^ 4.3.1“:

解决方案

在指定路由器的位置

<Route path="some/path" ..../>

像这样添加您想要传入的参数名

<Route path="some/path/:id" .../>

在你渲染一些/路径的页面上，你可以指定这个来查看参数名调用id，就像这样

componentDidMount(){
  console.log(this.props);
  console.log(this.props.match.params.id);
}

在导出默认值的最后

export default withRouter(Component);

记住要包含import

import { withRouter } from 'react-router-dom'

当console.log(this.props)时，你就可以知道传递了什么。玩得开心!

React路由器Dom V6 https://reactrouter.com/docs/en/v6/hooks/use-search-params

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

function App() {
  let [searchParams, setSearchParams] = useSearchParams();

  function handleSubmit(event) {
    event.preventDefault();
    // The serialize function here would be responsible for
    // creating an object of { key: value } pairs from the
    // fields in the form that make up the query.
    let params = serializeFormQuery(event.target);
    setSearchParams(params);
  }

  return (
    <div>
      <form onSubmit={handleSubmit}>{/* ... */}</form>
    </div>
  );
}

直到React路由器Dom V5

function useQueryParams() {
    const params = new URLSearchParams(
      window ? window.location.search : {}
    );

    return new Proxy(params, {
        get(target, prop) {
            return target.get(prop)
        },
    });
}

React钩子很棒

如果你的url看起来像/users?页面= 2数= 10字段=姓名、电子邮件、电话

// app.domain.com/users?page=2&count=10&fields=name,email,phone

const { page, fields, count, ...unknown } = useQueryParams();

console.log({ page, fields, count })
console.log({ unknown })

如果您的查询参数包含hyphone("-")或空格(" ") 然后你不能像{page, fields, count，…未知的}

你需要做传统的作业，比如

// app.domain.com/users?utm-source=stackOverFlow

const params = useQueryParams();

console.log(params['utm-source']);