UITextField.keyboardType

我们可以通过输入框的 keyboardType 来设置键盘样式

UITextField.keyboardType=UIKeyboardTypeNamePhonePad

下面一图像展示区别

UIKeyboardTypeDefault

UIKeyboardTypeNumbersAndPunctuation

UIKeyboardTypeURL

UIKeyboardTypeNumberPad

UIKeyboardTypePhonePad

UIKeyboardTypeEmailAddress

UIKeyboardTypeDecimalPad

UIKeyboardTypeTwitter

UIKeyboardTypeWebSearch