handleTapGesture.swift

 func handleTapGesture(_ recognizer: UITapGestureRecognizer) {
        if recognizer.state == .ended {
            let point = recognizer.location(in: recognizer.view)
            if let indexPath = tableView.indexPathForRow(at: point) {//得到indexPath
                if indexPath.section == 0 {
                    if inApp.Visible{
                        if ( inApp.ticketings.count > 0 || inApp.Month.count > 0 )  {
                            if indexPath.row == (inApp.ticketings.count + inApp.Month.count) {
                                if selectedRow >= 0 {
                                    let selIndexPath = NSIndexPath(row: selectedRow, section: indexPath.section)
                                    buyTicketType(indexPath: selIndexPath)
                                }
                            } else { // 勾選
                                if let cell = tableView.cellForRow(at: indexPath) as? MyTicketTVCell {
                                    let pointInCell = recognizer.location(in: cell)
                                    if (cell.lbTicketingName.frame).contains(pointInCell) {
                                        selectedRow = indexPath.row
                                        tableView.reloadData() //// 這裡勾選
                                        setPID(indexPath: indexPath as NSIndexPath)
                                    } else if (cell.imgTicketing.frame).contains(pointInCell) {
                                        selectedRow = indexPath.row
                                        tableView.reloadData() //// 這裡勾選
                                        setPID(indexPath: indexPath as NSIndexPath)
                                    }
                                }
                            }
                        }
                        view.endEditing(true)
                    }else{
                        view.endEditing(true)
                        if let cell = tableView.cellForRow(at: indexPath) as? MyTicketTVCell {
                            let pointInCell = recognizer.location(in: cell)
                            if (cell.btnConfirm.frame).contains(pointInCell) {
                                api2012_IPassVerify(iPass: cell.tfIPassNum.text!)
                            }
                        }
                    }
                } else {
                    view.endEditing(true)
                    if let cell = tableView.cellForRow(at: indexPath) as? MyTicketTVCell {
                        let pointInCell = recognizer.location(in: cell)
                        if (cell.btnConfirm.frame).contains(pointInCell) {
                            api2012_IPassVerify(iPass: cell.tfIPassNum.text!)
                        }
                    }
                }
            }
        }
    }

func buyTicketType(indexPath : NSIndexPath) {
        // 執行VC
        //performSegue(withIdentifier: "IAP", sender: indexPath)
        //return
        // original use View
        let maxInt = inApp.ticketings.count + inApp.Month.count + 1
        let ticketDetailView = Bundle.main.loadNibNamed("TicketDetailView", owner: self, options: nil)?[0] as! TicketDetailView
        ticketDetailView.tvDescription.text = "注意事項：\n凡付費後即無法更改，亦不符合七天鑑賞期退費規定，恕無法退換票。所有影片版權歸高雄市電影館所有，請勿未經授權轉錄，拷貝，重置影片。影片串流限定台，澎，金，馬地區，購買前請斟酌。"
        ticketDetailView.didTapBuy = {
            self.requestProductInfo()
            self.blockUI(true)
        }
        UIApplication.shared.keyWindow!.addSubview(ticketDetailView)
        ticketDetailView.constraintToFit(toView: UIApplication.shared.keyWindow!)
        
        if inApp.ticketings.count > 0 {
            if indexPath.row < inApp.ticketings.count {
                //特別影展票
                let ticket = inApp.ticketings[indexPath.row]
                //ticket.log()
                ticketDetailView.lbDate.text = ticket.Date
                ticketDetailView.lbTitle.text = "\(ticket.Name) \(ticket.FormattedPrice)"
            } else if indexPath.row >= inApp.ticketings.count && indexPath.row < maxInt {
                //雲端戲院月票
                let month = inApp.Month[indexPath.row-inApp.ticketings.count] as FilmFestival
                //month.log()
                ticketDetailView.lbTitle.text = "\(month.Name) \(month.FormattedPrice)"
            }
        } else {
            //雲端戲院月票
            let month = inApp.Month[indexPath.row-inApp.ticketings.count] as FilmFestival
            //month.log()
            ticketDetailView.lbTitle.text = "\(month.Name) \(month.FormattedPrice)"
        }
    }

Refactor.swift

// 就上面的案例重組一下
import UIKit

struct FilmFestival {
    var Name: String = ""
    var FormattedPrice: Int = 0
}
struct Ticketing {
    var Name: String = ""
    var FormattedPrice: Int = 0
    var Date: String = ""
}

class TicketDetailView: UIView {
    var lbDate = UILabel()
    var lbTitle = UILabel()
}

//模擬資料
let items: [Any] = [
    Ticketing(), Ticketing(), Ticketing(), Ticketing(),
    FilmFestival(), FilmFestival(), FilmFestival(), FilmFestival(), FilmFestival(), FilmFestival()
]

@objc protocol Tappable {
    func didTap(_ gesture: UIGestureRecognizerState)
}

extension UITableViewCell {
    open override func awakeFromNib() {
        super.awakeFromNib()
        
        if let t = self as? Tappable {
            self.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(t.didTap(_:))))
        }
    }
}

//目前可以通用一個 delegate
protocol IAPCellDelegate: class {
    func iapCell(_ cell: UITableViewCell, title: String, date: String?)
}

class TicketCell: UITableViewCell, Tappable {
    weak var delegate: IAPCellDelegate?
    
    var data: Ticketing!
    
    func didTap(_ gesture: UIGestureRecognizerState) {
        self.delegate?.iapCell(self, title: "\(data.Name) \(data.FormattedPrice)", date: data.Date)
    }
}

class FilmFestivalCell: UITableViewCell, Tappable {
    weak var delegate: IAPCellDelegate?
    
    var data: FilmFestival!
    
    func didTap(_ gesture: UIGestureRecognizerState) {
        self.delegate?.iapCell(self, title: "\(data.Name) \(data.FormattedPrice)", date: nil)
    }
}

class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {
    
    @IBOutlet weak var tableView: UITableView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.tableView.register(TicketCell.self, forCellReuseIdentifier: "TicketCell")
        self.tableView.register(FilmFestivalCell.self, forCellReuseIdentifier: "FilmFestivalCell")
    }
    
    func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return items.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        
        
        guard indexPath.section == 1 else {
            return UITableViewCell()
        }
        
        let data = items[indexPath.row]
        
        if let data = data as? Ticketing {
            let cell = tableView.dequeueReusableCell(withIdentifier: "TicketCell") as! TicketCell
            cell.data = data
            cell.delegate = self
            return cell
        }
        
        if let data = data as? FilmFestival {
            let cell = tableView.dequeueReusableCell(withIdentifier: "TicketCell") as! FilmFestivalCell
            cell.data = data
            cell.delegate = self
            return cell
        }
        
        return UITableViewCell()
    }
}

extension ViewController: IAPCellDelegate {
    func iapCell(_ cell: UITableViewCell, title: String, date: String?) {
        // 顯示 Detail
    }
}