如何将 iOS 键盘限制为数字输入
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How to limit iOS keyboard to numeric input
提问by Hyman BeNimble
The question pretty much says it all. Is there any way to have the iOS/iPhone keyboard default to numeric input?
这个问题几乎说明了一切。有没有办法让 iOS/iPhone 键盘默认为数字输入？
回答by Ravi
Set the keyboardTypeproperty of the UITextFieldto UIKeyboardTypeDecimalPad.
将 的keyboardType属性设置UITextField为UIKeyboardTypeDecimalPad。
Swift 3
斯威夫特 3
yourUITextField.keyboardType = .decimalPad
yourUITextField.keyboardType = .decimalPad
回答by Vette
Objective-C:
目标-C：
Default to Numbers (but include - and . if you need to allow decimal or negative numbers):
默认为数字（但包括 - 和 . 如果您需要允许小数或负数）：
myTextField1.keyboardType=UIKeyboardTypeNumbersAndPunctuation;
Default to Numbers (#s only for integer values)
默认为数字（#s 仅适用于整数值）
myTextField1.keyboardType=UIKeyboardTypeNumberPad;
