Question

当用户输入时，我正在使用func格式化UITextField中的数字（单独数千个）。键盘是Eng时没关系，但当键盘改变Farsi时它什么也没做。我的代码：

override func viewdidload(){
        self.mainTextField.addTarget(self, action: #selector(self.textFieldDidChange(textField:)), for: .editingChanged)

}

和

@objc func textFieldDidChange(textField: UITextField) {
        if textField == self.mainTextField {

            // Some locales use different punctuations.
            var textFormatted = textField.text?.replacingOccurrences(of: ",", with: "")
            textFormatted = textFormatted?.replacingOccurrences(of: ".", with: "")

            let numberFormatter = NumberFormatter()
            numberFormatter.numberStyle = .decimal

            if let text = textFormatted, let textAsInt = Int(text) {
                textField.text = numberFormatter.string(from: NSNumber(value: textAsInt))
            }
        }
    }

Answer 1

实际上，我不太确定实施的目的：

Mainwindow

但是，您需要设置所需的locale NumberFormatter。例如：

public class UserModel:BaseModel
    {
        string _Name;
        public string Name
        {
            get
            {
                return _Name;
            }
            set
            {
                if (_Name != value)
                {
                    _Name = value;
                    RaisePropertyChange("Name");
                }
            }
        }
}

参考上面实现的内容，// Some locales use different punctuations. var textFormatted = textField.text?.replacingOccurrences(of: ",", with: "") textFormatted = textFormatted?.replacingOccurrences(of: ".", with: "")将是一个包含波斯数字（“123,456”）的字符串，无论给定的文本是什么（“123456”）。

<强>更新

如果案例是：给定的输入是波斯语编号，所需的输出是英文编号，你可以这样做：

let text = "123456"

let numberFormatter = NumberFormatter()
numberFormatter.locale = Locale(identifier: "fa")
numberFormatter.numberStyle = .decimal

if let textAsInt = Int(text), let output = numberFormatter.string(from: NSNumber(value: textAsInt)) {
    print(output) // "۱۲۳٬۴۵۶"
}

格式化非英文数字

1 个答案: