Uitableview 将标签放置在collectionview内，并将collectionview进一步放置在具有动态高度的tableview单元格内

tableview单元格内的collectionview未适应动态高度。正如我所希望的，tableview单元格应采用collectionview单元格内标签的大小标签的约束为前导、试算、顶部、底部为5 wrt contentView collectionview单元格

    class myRewardsViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {




@IBOutlet weak var rewardsTableView: UITableView!
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return 1
}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    
        let cell = tableView.dequeueReusableCell(withIdentifier: "rewardsTV_cell", for: indexPath) as! rewardsCarouselTableViewCell
       
        cell.layoutIfNeeded()
        cell.carouselRewardsCV.reloadData()
        cell.rewardCarouselHeight.constant = cell.carouselRewardsCV.collectionViewLayout.collectionViewContentSize.height
        return cell
    
   
}

override func viewDidLayoutSubviews() {
    super.viewDidLayoutSubviews()
    rewardsTableView.reloadData()
}
override func viewDidLoad() {
    super.viewDidLoad()
    rewardsTableView.estimatedRowHeight = 300
    rewardsTableView.rowHeight = UITableView.automaticDimension
    // Do any additional setup after loading the view.
}

func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
    return UITableView.automaticDimension
}
/*
// MARK: - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    // Get the new view controller using segue.destination.
    // Pass the selected object to the new view controller.
}
*/

}

}

}

类DynamicLightRewardsCollectionView:UICollectionView{

override func layoutSubviews() {
    super.layoutSubviews()
    if bounds.size != intrinsicContentSize {
        self.invalidateIntrinsicContentSize()
    }
}
override var intrinsicContentSize: CGSize {
    return collectionViewLayout.collectionViewContentSize
}

}

 extension rewardsCarouselTableViewCell: 
 UICollectionViewDelegateFlowLayout{
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
    return CGSize(width: collectionView.frame.width, height: collectionView.frame.height)
}

override func layoutSubviews() {
    super.layoutSubviews()
    if bounds.size != intrinsicContentSize {
        self.invalidateIntrinsicContentSize()
    }
}
override var intrinsicContentSize: CGSize {
    return collectionViewLayout.collectionViewContentSize
}