在ReactJS中更新下拉菜单的值

const [selectedValue, setSelectedValue] = useState('');

<select value={selectedValue} onChange={(e) => setSelectedValue(e.target.value)}>
  <option value="option1">Option 1</option>
  <option value="option2">Option 2</option>
  <option value="option3">Option 3</option>
</select>

render() {
  return (
    <div>
      <select value={selectedValue} onChange={(e) => setSelectedValue(e.target.value)}>
        <option value="option1">Option 1</option>
        <option value="option2">Option 2</option>
        <option value="option3">Option 3</option>
      </select>
      <p>Selected value: {selectedValue}</p>
    </div>
  );
}