React show切换显示所有子项

import React, { useState } from 'react';

const ChildItem = ({ text }) => (
  <div>{text}</div>
);

const ParentComponent = () => {
  const [showChildren, setShowChildren] = useState(false);

  const toggleShowChildren = () => {
    setShowChildren(!showChildren);
  };

  return (
    <div>
      <button onClick={toggleShowChildren}>
        {showChildren ? '隐藏子项' : '显示子项'}
      </button>
      {showChildren && (
        <div>
          <ChildItem text="子项1" />
          <ChildItem text="子项2" />
          <ChildItem text="子项3" />
        </div>
      )}
    </div>
  );
};

export default ParentComponent;