在复选框中显示外部组件在两个无状态组件之间单击

import React from 'react';

class ExternalComponent extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      isChecked: false
    };
  }

  handleCheckboxChange = () => {
    this.setState(prevState => ({
      isChecked: !prevState.isChecked
    }));
  }

  render() {
    const { isChecked } = this.state;
    return (
      <div>
        <input
          type="checkbox"
          checked={isChecked}
          onChange={this.handleCheckboxChange}
        />
        <label>Checkbox</label>
        <StatelessComponent1 isChecked={isChecked} />
        <StatelessComponent2 isChecked={isChecked} />
      </div>
    );
  }
}

const StatelessComponent1 = ({ isChecked }) => (
  <div>
    <h2>Stateless Component 1</h2>
    <p>Checkbox is {isChecked ? 'checked' : 'unchecked'}</p>
  </div>
);

const StatelessComponent2 = ({ isChecked }) => (
  <div>
    <h2>Stateless Component 2</h2>
    <p>Checkbox is {isChecked ? 'checked' : 'unchecked'}</p>
  </div>
);

export default ExternalComponent;

import React from 'react';
import ExternalComponent from './ExternalComponent';

const App = () => (
  <div>
    <h1>App</h1>
    <ExternalComponent />
  </div>
);

export default App;