显示tableViewCell上子节点的所有数据

struct Item {
    let title: String
    let subtitles: [String]
}

class CustomTableViewCell: UITableViewCell {
    let titleLabel = UILabel()
    let subtitlesStackView = UIStackView()

    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupUI()
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    private func setupUI() {
        titleLabel.font = UIFont.boldSystemFont(ofSize: 16)
        subtitlesStackView.axis = .vertical
        subtitlesStackView.spacing = 4

        contentView.addSubview(titleLabel)
        contentView.addSubview(subtitlesStackView)

        // Layout constraints
        titleLabel.translatesAutoresizingMaskIntoConstraints = false
        subtitlesStackView.translatesAutoresizingMaskIntoConstraints = false

        NSLayoutConstraint.activate([
            titleLabel.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 8),
            titleLabel.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
            subtitlesStackView.topAnchor.constraint(equalTo: titleLabel.bottomAnchor, constant: 4),
            subtitlesStackView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
            subtitlesStackView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -16),
            subtitlesStackView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -8)
        ])
    }

    func configure(with item: Item) {
        titleLabel.text = item.title
        subtitlesStackView.arrangedSubviews.forEach { $0.removeFromSuperview() }
        for subtitle in item.subtitles {
            let label = UILabel()
            label.text = subtitle
            label.font = UIFont.systemFont(ofSize: 14)
            subtitlesStackView.addArrangedSubview(label)
        }
    }
}

class ViewController: UIViewController, UITableViewDataSource {
    let tableView = UITableView()
    var items: [Item] = [
        Item(title: "Title 1", subtitles: ["Subtitle 1.1", "Subtitle 1.2"]),
        Item(title: "Title 2", subtitles: ["Subtitle 2.1"]),
        // Add more items as needed
    ]

    override func viewDidLoad() {
        super.viewDidLoad()
        tableView.dataSource = self
        view.addSubview(tableView)
        tableView.frame = view.bounds
        tableView.register(CustomTableViewCell.self, forCellReuseIdentifier: "CustomCell")
    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return items.count
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "CustomCell", for: indexPath) as! CustomTableViewCell
        cell.configure(with: items[indexPath.row])
        return cell
    }
}