在React js中导出多个非功能组件

// ComponentA.js
import React from 'react';

const ComponentA = () => {
  // 组件A的实现
  return <div>Component A</div>;
};

export default ComponentA;

// ComponentB.js
import React from 'react';

const ComponentB = () => {
  // 组件B的实现
  return <div>Component B</div>;
};

export default ComponentB;

import React from 'react';
import ComponentA from './ComponentA';
import ComponentB from './ComponentB';

const MainComponent = () => {
  return (
    <div>
      <ComponentA />
      <ComponentB />
    </div>
  );
};

export default MainComponent;