iOS开发之键盘类型UIKeyboardType

转自http://blog.youkuaiyun.com/crazyzhang1990/article/details/39965931

UIKeyboardTypeDefault：

UIKeyboardTypeASCIICapable：

UIKeyboardTypeNumbersAndPunctuation：

UIKeyboardTypeURL：

UIKeyboardTypeNumberPad：

UIKeyboardTypePhonePad：

UIKeyboardTypeNamePhonePad：

UIKeyboardTypeEmailAddress：

UIKeyboardTypeDecimalPad：

UIKeyboardTypeTwitter：

UIKeyboardTypeWebSearch:

UIKeyboardTypeAlphabet: