Reactjs根据另一个select中的选项隐藏select标记

import React, { useState } from 'react';

function MyComponent() {
  const [selectedOption, setSelectedOption] = useState('');

  // 其他代码...

  return (
    <div>
      <select value={selectedOption} onChange={(e) => setSelectedOption(e.target.value)}>
        <option value="">请选择</option>
        <option value="option1">选项1</option>
        <option value="option2">选项2</option>
      </select>

      {/* 其他代码... */}
    </div>
  );
}

import React, { useState } from 'react';

function MyComponent() {
  const [selectedOption, setSelectedOption] = useState('');

  // 其他代码...

  return (
    <div>
      <select value={selectedOption} onChange={(e) => setSelectedOption(e.target.value)}>
        <option value="">请选择</option>
        <<option value="option1">选项1</option>
        <option value="option2">选项2</option>
      </select>

      {selectedOption === 'option1' && (
        <select>
          <option value="">请选择</option>
          <option value="suboption1">子选项1</option>
          <option value="suboption2">子选项2</option>
        </select>
      )}

      {/* 其他代码... */}
    </div>
  );
}

import React, { useState } from 'react';

function MyComponent() {
  const [selectedOption, setSelectedOption] = useState('');
  const [subSelectedOption, setSubSelectedOption] = useState('');

  // 其他代码...

  return (
    <div>
      <select value={selectedOption} onChange={(e) => setSelectedOption(e.target.value)}>
        <option value="">请选择</option>
        <option value="option1">选项1</option>
        <option value="option2">选项2</option>
      </select>

      {selectedOption === 'option1' && (
        <select value={subSelectedOption} onChange={(e) => setSubSelectedOption(e.target.value)}>
          <option value="">请选择</option>
          <option value="suboption1">子选项1</option>
          <option value="suboption2">子选项2</option>
        </select>
      )}

      {/* 其他代码... */}
    </div>
  );
}