iOS键盘类型

1. typedef enum {  
2.     UIKeyboardTypeDefault,                // 默认键盘：支持所有字符   
3.     UIKeyboardTypeASCIICapable,           // 支持ASCII的默认键盘   
4.     UIKeyboardTypeNumbersAndPunctuation,  // 标准电话键盘，支持+*#等符号   
5.     UIKeyboardTypeURL,                    // URL键盘，有.com按钮；只支持URL字符   
6.     UIKeyboardTypeNumberPad,              //数字键盘   
7.     UIKeyboardTypePhonePad,               // 电话键盘   
8.     UIKeyboardTypeNamePhonePad,           // 电话键盘，也支持输入人名字   
9.     UIKeyboardTypeEmailAddress,           // 用于输入电子邮件地址的键盘   
10. } UIKeyboardType; 

用法用例：

textView.keyboardtype= UIKeyboardTypeNumberPad;

UIKeyboardTypeDefault：

UIKeyboardTypeASCIICapable：

UIKeyboardTypeNumbersAndPunctuation：

UIKeyboardTypeURL：

UIKeyboardTypeNumberPad：

UIKeyboardTypePhonePad：

UIKeyboardTypeNamePhonePad：

UIKeyboardTypeEmailAddress：

UIKeyboardTypeDecimalPad：

UIKeyboardTypeTwitter：

UIKeyboardTypeWebSearch:

UIKeyboardTypeAlphabet: