如何使用react-redux从函数中检索返回值/对象并将其存储在变量中？

npm install react-redux

import { connect } from 'react-redux';
import { fetchUserData } from '../actions/userActions';
import { getUserData } from '../selectors/userSelectors';

const MyComponent = ({ userData, fetchUserData }) => {
  // 在组件中使用userData和fetchUserData
  // ...
};

const mapStateToProps = state => ({
  userData: getUserData(state),
});

const mapDispatchToProps = {
  fetchUserData,
};

export default connect(mapStateToProps, mapDispatchToProps)(MyComponent);

const MyComponent = ({ userData, fetchUserData }) => {
  useEffect(() => {
    // 在组件挂载时触发fetchUserData action
    fetchUserData();
  }, []);

  return (
    <div>
      {/* 使用userData */}
      <p>{userData.name}</p>
      <p>{userData.email}</p>
    </div>
  );
};