？在与react-router匹配的url中

npm install react-router-dom

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

class YourComponent extends React.Component {
  render() {
    const { match } = this.props;
    const { params } = match;

    // 获取url中的参数值
    const paramValue = params.paramName;

    return (
      <div>
        {/* 在这里使用获取到的参数值 */}
        <p>参数值: {paramValue}</p>
      </div>
    );
  }
}

export default withRouter(YourComponent);