class ViewController: UIViewController {

    let pickerList = ["2개월", "3개월", "4개월", "5개월", "6개월", "7개월", "8개월", "9개월", "10개월", "11개월", "12개월"]
    var pickerView = UIPickerView()
    var typeValue = String()

    @IBAction func touchDateSelectBtn(_ sender: UIButton) {
        let alert = UIAlertController(title: "예상 프로젝트 기간", message: "\n\n\n\n\n\n", preferredStyle: .alert)
        alert.isModalInPopover = true
        let pickerFrame = UIPickerView(frame: CGRect(x: 5, y: 20, width: 250, height: 140))
        alert.view.addSubview(pickerFrame)
        pickerFrame.delegate = self
        pickerFrame.dataSource = self

        alert.addAction(UIAlertAction(title: "취소", style: .default, handler: nil))
        alert.addAction(UIAlertAction(title: "확인", style: .default, handler: { (UIAlertAction) in
            print("\(self.typeValue)")
            self.tableView.reloadData()
        }))
        self.present(alert, animated: true, completion: nil)

    }

extension ViewController: UIPickerViewDelegate, UIPickerViewDataSource {
    func numberOfComponents(in pickerView: UIPickerView) -> Int {
        return 1
    }

    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        return self.pickerList.count
    }

    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
        return pickerList[row]
    }

    func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
        if row == 0 {
            typeValue = "2개월"
        } else if row == 1 {
            typeValue = "3개월"
        } else if row == 2 {
            typeValue = "4개월"
        } else if row == 3 {
            typeValue = "5개월"
        } else if row == 4 {
            typeValue = "6개월"
        } else if row == 5 {
            typeValue = "7개월"
        } else if row == 6 {
            typeValue = "8개월"
        } else if row == 7 {
            typeValue = "9개월"
        } else if row == 8 {
            typeValue = "10개월"
        } else if row == 9 {
            typeValue = "11개월"
        } else if row == 10 {
            typeValue = "12개월"
        }
    }
}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
  let cell = tableView.dequeueReusableCell(withIdentifier: "DateSelect") as! DateSelectTableViewCell
    cell.pickerLbl.text = self.typeValue
    return cell

import UIKit
import WebKit

class MainTableVC: UIViewController {
  @IBOutlet weak var tableView: UITableView!

  override func viewDidLoad() {
        super.viewDidLoad()

        self.tableView.delegate = self
        self.tableView.dataSource = self
        self.tableView.separatorStyle = .none
        self.tableView.showsHorizontalScrollIndicator = false

        // 커스텀 셀을 가져오는 부분
        self.tableView.register(UINib(nibName: "Cell", bundle: nil), forCellReuseIdentifier: "")
    }
}

extension MainTableVC: UITableViewDelegate, UITableViewDataSource {

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 1
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

        let cell = tableView.dequeueReusableCell(withIdentifier: "셀 identifier") as! TableViewCell
        let registerCellView = cell.setWebView(rootVC: self, frame: self.view.frame)
        registerCellView.uiDelegate = self
        registerCellView.navigationDelegate = self
        cell.addSubview(registerCellView)
        return cell

    }

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

extension MainTableVC: WKUIDelegate, WKNavigationDelegate {      
    //모달창 닫힐때 앱 종료현상 방지
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }

    // alert
    func webView(_ webView: WKWebView, runJavaScriptAlertPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping () -> Void) {
        let alertController = UIAlertController(title: "", message: message, preferredStyle: .alert)
        alertController.addAction(UIAlertAction(title: "확인", style: .default, handler: {(action) in completionHandler()}))
        self.present(alertController, animated: true, completion: nil)
    }

    // confirm
    func webView(_ webView: WKWebView, runJavaScriptConfirmPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping (Bool) -> Void) {
        let alertController = UIAlertController(title: "", message: message, preferredStyle: .alert)
        alertController.addAction(UIAlertAction(title: "확인", style: .default, handler: {(action) in completionHandler(true)}))
        alertController.addAction((UIAlertAction(title: "취소", style: .default, handler: { (action) in completionHandler(false)})))
        self.present(alertController, animated: true, completion: nil)
    }

    // href="_blank" 처리
    func webView(_ webView: WKWebView, createWebViewWith configuration: WKWebViewConfiguration, for navigationAction: WKNavigationAction, windowFeatures: WKWindowFeatures) -> WKWebView? {
        if navigationAction.targetFrame == nil {
            webView.load(navigationAction.request)
        }
        return nil
    }
}

import UIKit
import WebKit

class TableViewCell: UITableViewCell {

    override func awakeFromNib() {
        super.awakeFromNib()
        // Initialization code
    }

    func setWebView(rootVC: UIViewController, frame: CGRect) -> WKWebView {
        let webView = WKWebView(frame: self.contentView.frame)

        let url = URL(string: "가져올 웹 페이지 주소")
        let request = URLRequest(url: url!)

        webView.configuration.preferences.javaScriptCanOpenWindowsAutomatically = true
        webView.load(request)

        return webView
    }
}

import UIKit
import SnapKit

enum ProjectType {
    case Coupon
    case Identifier
    case Resister
}

class MainVC: UIViewController, MainVCDelegate {

    @IBOutlet weak var containerView: UIView!

    var tableType: ProjectType = .Coupon

    weak var tabPageViewController: TabPageViewController!

    var couponView = MainTableVC.instance()
    var identifierView = MainTableVC.instance()
    var resisterView = MainTableVC.instance()

    var couponList = Array<ModelProject>()
    var identifierList = Array<ModelProject>()
    var resisterList = Array<ModelProject>()


    override func viewDidLoad() {
        super.viewDidLoad()

        tabPageViewController = TabPageViewController.create()

        couponView.tabHeight = tabPageViewController.option.tabHeight
        couponView.delegate = self
        couponView.projectType = .Coupon

        identifierView.tabHeight = tabPageViewController.option.tabHeight
        identifierView.delegate = self
        identifierView.projectType = .Identifier

        resisterView.tabHeight = tabPageViewController.option.tabHeight
        resisterView.delegate = self
        resisterView.projectType = .Resister

        tabPageViewController.tabItems = [(couponView, "쿠폰번호"), (identifierView, "아이디등록"), (resisterView, "쿠폰등록")]

        tabPageViewController.option.fontSize = 14
        tabPageViewController.option.tabHeight = 38
        tabPageViewController.option.currentColor = UIColor.black
//        tabPageViewController.option.defaultColor = UIColor(named: "DDDDDD")!
        tabPageViewController.option.defaultColor = UIColor.gray
        tabPageViewController.option.currentBarHeight = 3

        self.view.addSubview(tabPageViewController.view)
        self.addChild(tabPageViewController)
        self.containerView.addSubview(tabPageViewController.view)
        tabPageViewController.view.snp.makeConstraints {(make) in
            make.top.bottom.leading.trailing.equalTo(self.containerView)
        }

        tabPageViewController.didMove(toParent: self)
    }
}

class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        overrideUserInterfaceStyle = .light     //라이트모드
        //overrideUserInterfaceStyle = .dark    //다크모드
    }
}