Swift多个Tableview文本域单元格

Question

我正在寻找创建三个tableview文本域单元格，并且我试图找出创建它的机制。到目前为止，我已经创建了一个公共类，它包含我的文本域和一个配置函数，将值传递给出口属性，但是我很难知道如何将这些行传递给tableview，特别是当它涉及重用标识符时。我该怎么做到这一点？

UserRegistrationTableViewCells.swift：

   import Foundation

    public class UserRegistrationTableViewCells: UITableViewCell {


        @IBOutlet var usernameTextField: UITextField!

        @IBOutlet var emailTextField: UITextField!

        @IBOutlet var passwordTextField: UITextField!


        public func configure(#text: String?, placeholder: String){

            usernameTextField.text = text
            usernameTextField.placeholder = placeholder
            usernameTextField.accessibilityValue = text
            usernameTextField.accessibilityLabel = placeholder

            emailTextField.text = text
            emailTextField.placeholder = placeholder
            emailTextField.accessibilityValue = text
            emailTextField.accessibilityLabel = placeholder

            passwordTextField.text = text
            passwordTextField.placeholder = placeholder
            passwordTextField.accessibilityValue = text
            passwordTextField.accessibilityLabel = placeholder


        }

UserRegistrationViewController.swift：

import UIKit

class UserRegistrationViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {

    @IBOutlet weak var registrationTableView: UITableView!


    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 3
    }

    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {

        let cell = tableView.dequeueReusableCellWithIdentifier("usernameTextField") as UserRegistrationTableViewCells

        return UITableViewCell()

    }