iOS keyboard属性详解

typedef enum {

UIKeyboardTypeDefault,       默认键盘，支持所有字符         UIKeyboardTypeASCIICapable,  支持ASCII的默认键盘UIKeyboardTypeNumbersAndPunctuation,  标准电话键盘，支持＋＊＃字符UIKeyboardTypeURL,            URL键盘，支持.com按钮 只支持URL字符

UIKeyboardTypeNumberPad, 数字键盘

UIKeyboardTypePhonePad, 电话键盘

UIKeyboardTypeNamePhonePad,   电话键盘，也支持输入人名

UIKeyboardTypeEmailAddress, 用于输入电子 邮件地址的键盘

UIKeyboardTypeDecimalPad, 数字键盘 有数字和小数点

UIKeyboardTypeTwitter,        优化的键盘，方便输入@、#字符UIKeyboardTypeAlphabet = UIKeyboardTypeASCIICapable, 

} UIKeyboardType;