// 在自定义 UITableViewCell 类中
class CustomTableViewCell: UITableViewCell {
    @IBOutlet weak var button: UIButton!
    var indexPath: IndexPath?
    
    @IBAction func buttonTapped(_ sender: UIButton) {
        // 通过通知或闭包将事件传递到视图控制器
        NotificationCenter.default.post(name: Notification.Name("ButtonTappedInCell"), object: nil, userInfo: ["indexPath": indexPath!])
    }
}

// 在包含 UITableView 的视图控制器中
class ViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
    @IBOutlet weak var tableView: UITableView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        tableView.dataSource = self
        tableView.delegate = self
        
        NotificationCenter.default.addObserver(self, selector: #selector(handleButtonTap(notification:)), name: Notification.Name("ButtonTappedInCell"), object: nil)
    }
    
    @objc func handleButtonTap(notification: Notification) {
        guard let indexPath = notification.userInfo?["indexPath"] as? IndexPath else { return }
        
        // 创建带标签的弹窗
        let alert = UIAlertController(title: "提示", message: "您点击了第\(indexPath.row)行的按钮", preferredStyle: .alert)
        
        // 添加标签（在UIAlertController中，message属性已经相当于标签）
        alert.addAction(UIAlertAction(title: "确定", style: .default, handler: nil))
        
        present(alert, animated: true, completion: nil)
    }
    
    // UITableViewDataSource 方法
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "CustomCell", for: indexPath) as! CustomTableViewCell
        cell.indexPath = indexPath
        return cell
    }
    
    // 其他必要的方法...
}

// 自定义弹出视图
class CustomPopupView: UIView {
    let label: UILabel = {
        let label = UILabel()
        label.textAlignment = .center
        label.numberOfLines = 0
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()
    
    init(frame: CGRect, text: String) {
        super.init(frame: frame)
        backgroundColor = .white
        layer.cornerRadius = 10
        layer.shadowOpacity = 0.3
        layer.shadowRadius = 5
        
        label.text = text
        addSubview(label)
        
        NSLayoutConstraint.activate([
            label.centerXAnchor.constraint(equalTo: centerXAnchor),
            label.centerYAnchor.constraint(equalTo: centerYAnchor),
            label.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 20),
            label.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -20)
        ])
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}

// 在视图控制器中修改 handleButtonTap 方法
@objc func handleButtonTap(notification: Notification) {
    guard let indexPath = notification.userInfo?["indexPath"] as? IndexPath else { return }
    
    let popupView = CustomPopupView(frame: CGRect(x: 0, y: 0, width: 250, height: 150), text: "您点击了第\(indexPath.row)行的按钮")
    popupView.center = view.center
    
    // 添加背景遮罩
    let backgroundView = UIView(frame: view.bounds)
    backgroundView.backgroundColor = UIColor.black.withAlphaComponent(0.5)
    backgroundView.tag = 999
    backgroundView.addSubview(popupView)
    view.addSubview(backgroundView)
    
    // 添加点击手势关闭弹窗
    let tapGesture = UITapGestureRecognizer(target: self, action: #selector(dismissPopup))
    backgroundView.addGestureRecognizer(tapGesture)
}

@objc func dismissPopup() {
    view.viewWithTag(999)?.removeFromSuperview()
}