无法在ReactJS中显示拉取的接口数据

import React, { useState, useEffect } from 'react';

const MyComponent = () => {
  const [data, setData] = useState(null);
  const [error, setError] = useState(null);

  useEffect(() => {
    const fetchData = async () => {
      try {
        const response = await fetch('your-api-endpoint');
        const jsonData = await response.json();
        setData(jsonData);
      } catch (error) {
        setError(error.message);
      }
    };

    fetchData();
  }, []);

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

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

  return (
    <div>
      {/* Display the fetched data */}
      {data.map((item) => (
        <div key={item.id}>{item.name}</div>
      ))}
    </div>
  );
};

export default MyComponent;