Question

我有一个包含多个UITextField的页面，用户可以在其中键入多个联系电话。单击发送按钮后，它应将预设的短信发送到列出的联系电话。我正在使用Twilio来运行此程序，并且正在使用功能功能，因此不必创建单独的服务器。我遇到的问题是，当列出多个号码时，它不会发送消息。我该如何解决这个问题，以便当用户键入多个数字时，它将向这些数字发送预设消息？

我已经尝试过多次修复它，但是它一直失败

这是我的快速代码：

    @IBOutlet weak var phonenumber: UITextField!
    @IBOutlet weak var phonenumber1: UITextField!
    @IBOutlet weak var phonenumber2: UITextField!
    @IBOutlet weak var phonenumber3: UITextField!

    var currentTextField: UITextField?

    private let contactPicker = CNContactPickerViewController()

    override func viewDidLoad() {
        super.viewDidLoad()
        configureTextFields()
        configureTapGesture()

     }


    private func configureTextFields() {
        phonenumber.delegate = self
        phonenumber1.delegate = self
        phonenumber2.delegate = self
        phonenumber3.delegate = self

    }

    private func configureTapGesture(){
        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(SelfTestTimer.handleTap))
        viewcontact.addGestureRecognizer(tapGesture)

    }

    @objc private func handleTap(){
        viewcontact.endEditing(true)

    }

    @IBAction func sendbutton(_ sender: Any) {

        presentAlert(alertTitle: "", alertMessage: "Make sure all the contacts have a country code attached to it ie +60", lastAction: UIAlertAction(title: "Continue", style: .default) { [weak self] _ in



        let headers = [
            "Content-Type": "//urlencoded"
        ]


        let parameters: Parameters = [
            "To": self?.currentTextField?.text ?? "", // if "To": is set to just one text field ie "To": self?.phonenumber1.text ?? "", the sms is sent

            "Body": "Tester",


        ]

        Alamofire.request("//path", method: .post, parameters: parameters, headers: headers).response { response in
            print(response)

        }
        }
    )}

}

extension SelfTestTimer: UITextFieldDelegate {
    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        currentTextField = nil
        textField.resignFirstResponder()
        return true
    }


    func textFieldDidBeginEditing(_ textField: UITextField) {


        if textField.hasText{
            //dont do anything

        }else{
        currentTextField = textField
        contactPicker.delegate = self
        self.present(contactPicker, animated: true, completion: nil)
        }
        return
    }


}

这是我的Twilio函数中的代码：

exports.handler = function(context, event, callback) {
    const client = context.getTwilioClient();
    const to = event.To;
    const body = event.Body;
    client.messages.create({
      from: 'Twilio Phone Number',
      to: to,
      body: body,

    }).then(msg => {
      callback(null);
    });

};

我希望它能正常工作，以便它向UITextFields

中列出的所有数字发送消息

Answer 1

此处是Twilio开发人员的传播者。在<div class="wrap"> <div class="card"> <div class="front" onclick="getCard(0)"><img class="img1" src="https://lp.rustaro.ru/wp-content/uploads/transformation/cards/1.jpg" alt=""></div> <div class="back"><img class="img1" src="" name="randimg1"></div> </div> <div class="card"> <div class="front" onclick="getCard(1)"><img class="img1" src="https://lp.rustaro.ru/wp-content/uploads/transformation/cards/1.jpg" alt=""></div> <div class="back"><img class="img1" src="" name="randimg2"></div> </div> <div class="card"> <div class="front" onclick="getCard(2)"><img class="img1" src="https://lp.rustaro.ru/wp-content/uploads/transformation/cards/1.jpg" alt=""></div> <div class="back"><img class="img1" src="" name="randimg3"></div> </div> </div>函数中，我使用一个全局变量sendButton从这样的文本框中创建一个电话号码数组：

numArray

然后在相同的numArray = [phonenumber.text!, phonenumber1.text!, phonenumber2.text!, phonenumber3.text!]函数中，我将使用sendButton向您的Twilio函数URL发送一个urlSession请求。

POST

然后，您的Twilio函数应包含这样的代码，以遍历电话号码数组并向每个号码发送消息：

let Url = String(format: "REPLACE-WITH-YOUR-TWILIO-FUNCTION-URL")
        guard let serviceUrl = URL(string: Url) else { return }
        var request = URLRequest(url: serviceUrl)
        request.httpMethod = "POST"
        request.setValue("Application/json", forHTTPHeaderField: "Content-Type")
        guard let httpBody = try? JSONSerialization.data(withJSONObject: numArray, options:[]) else {
            return
        }
        request.httpBody = httpBody

        let session = URLSession.shared
        session.dataTask(with: request) { (data, response, error) in
            if let response = response {
                print(response)
            }
            if let data = data {
                do {
                    let json = try JSONSerialization.jsonObject(with: data, options: JSONSerialization.ReadingOptions.allowFragments)
                    print("json ", json)
                } catch {
                    print(error)
                }
            }
        }.resume()

希望这会有所帮助！

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