将CollectionView添加为表视图标题

我想要展示这样的横幅:

我的方法是添加CollectionView一个TableViewHeader

我的代码:

extension HomeViewController: UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
    func configureHeaderView() {

        let layout = UICollectionViewFlowLayout()
        layout.scrollDirection = .horizontal
        layout.sectionInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)

        let headerView = UICollectionView(frame: CGRect(x: 0, y: 0, width: view.frame.width, height: headerHeight), collectionViewLayout: layout)
        headerView.backgroundColor = .blue
        headerView.isPagingEnabled = true
        headerView.isUserInteractionEnabled = true

        headerView.dataSource = self
        headerView.delegate = self
        headerView.register(BannerCollectionViewCell.self, forCellWithReuseIdentifier: BannerCollectionViewCell.reuseIdentifier)
        headerView.showsHorizontalScrollIndicator = false

        tableView.tableHeaderView = headerView
    }

    // MARK: UICollectionViewDataSource
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return 1
    }

    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return 3
    }

    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: BannerCollectionViewCell.reuseIdentifier, for: indexPath) as! BannerCollectionViewCell
        return cell
    }

    // MARK: UICollectionViewDelegateFlowLayout
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
        return CGSize(width: UIScreen.main.bounds.width, height: headerHeight)
    }
}

我BannerCollectionViewCell有一个默认图像.

class BannerCollectionViewCell: UICollectionViewCell {

    @IBOutlet weak var bannerImageView: UIImageView!

}

但我在标题上看不到那个图像.它只显示一个空头.

你使用NIB,所以你应该使用func register(UINib?, forCellWithReuseIdentifier: String)而不是func register(AnyClass?, forCellWithReuseIdentifier: String)