React组件中字符串的枚举编号

const Status = {
  ACTIVE: 'active',
  INACTIVE: 'inactive',
  PENDING: 'pending'
};

class MyComponent extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      status: Status.ACTIVE
    };
  }

  render() {
    const { status } = this.state;

    if (status === Status.ACTIVE) {
      return <div>Active</div>;
    } else if (status === Status.INACTIVE) {
      return <div>Inactive</div>;
    } else if (status === Status.PENDING) {
      return <div>Pending</div>;
    } else {
      return <div>Unknown</div>;
    }
  }
}