如何在React状态下编写查询结果？

import React, { Component } from 'react';

class QueryResult extends Component {
  constructor(props) {
    super(props);
    this.state = {
      result: null,
      loading: true,
      error: null,
    };
  }

  componentDidMount() {
    // 发送查询请求，并将结果保存到result状态变量
    fetch('https://example.com/query')
      .then(response => response.json())
      .then(data => {
        this.setState({ result: data, loading: false });
      })
      .catch(error => {
        this.setState({ error: error.message, loading: false });
      });
  }

  render() {
    const { result, loading, error } = this.state;

    if (loading) {
      return <div>Loading...</div>;
    }

    if (error) {
      return <div>Error: {error}</div>;
    }

    if (result) {
      return (
        <ul>
          {result.map(item => (
            <li key={item.id}>{item.name}</li>
          ))}
        </ul>
      );
    }

    return null;
  }
}

export default QueryResult;