[转] jQuery按键响应事件keypress对应的按键编码keycode

原文地址：http://blog.csdn.net/chenhj1988918/article/details/7534922

keypress  api 文档：http://api.jquery.com/keypress/

    event.keycode值大全

   keycode  = BackSpace BackSpace 

   keycode  = Tab Tab 

   keycode  = Clear 

   keycode  = Enter 

   keycode  = Shift_L 

   keycode  = Control_L 

   keycode  = Alt_L 

   keycode  = Pause 

   keycode  = Caps_Lock 

 keycode  = Escape Escape 

 keycode  = space space 

 keycode  = Prior 

 keycode  = Next 

 keycode  = End 

 keycode  = Home 

 keycode  = Left 

 keycode  = Up 

 keycode  = Right 

 keycode  = Down 

 keycode  = Select 

 keycode  = Print 

 keycode  = Execute 

 keycode  = Insert 

 keycode  = Delete 

 keycode  = Help 

 keycode  =  equal braceright 

 keycode  =  exclam onesuperior 

 keycode  =  quotedbl twosuperior 

 keycode  =  section threesuperior 

 keycode  =  dollar 

 keycode  =  percent 

 keycode  =  ampersand 

 keycode  =  slash braceleft 

 keycode  =  parenleft bracketleft 

 keycode  =  parenright bracketright 

 keycode  = a A 

 keycode  = b B 

 keycode  = c C 

 keycode  = d D 

 keycode  = e E EuroSign 

 keycode  = f F 

 keycode  = g G 

 keycode  = h H 

 keycode  = i I 

 keycode  = j J 

 keycode  = k K 

 keycode  = l L 

 keycode  = m M mu 

 keycode  = n N 

 keycode  = o O 

 keycode  = p P 

 keycode  = q Q at 

 keycode  = r R 

 keycode  = s S 

 keycode  = t T 

 keycode  = u U 

 keycode  = v V 

 keycode  = w W 

 keycode  = x X 

 keycode  = y Y 

 keycode  = z Z 

 keycode  = KP_ KP_ 

 keycode  = KP_ KP_ 

 keycode  = KP_ KP_ 

 keycode  = KP_ KP_ 

 keycode  = KP_ KP_ 

 keycode  = KP_ KP_ 

 keycode  = KP_ KP_ 

 keycode  = KP_ KP_ 

 keycode  = KP_ KP_ 

 keycode  = KP_ KP_ 

 keycode  = KP_Multiply KP_Multiply 

 keycode  = KP_Add KP_Add

 keycode  = KP_Separator KP_Separator 

 keycode  = KP_Subtract KP_Subtract 

 keycode  = KP_Decimal KP_Decimal 

 keycode  = KP_Divide KP_Divide 

 keycode  = F1 

 keycode  = F2 

 keycode  = F3 

 keycode  = F4 

 keycode  = F5 

 keycode  = F6 

 keycode  = F7 

 keycode  = F8 

 keycode  = F9 

 keycode  = F10 

 keycode  = F11 

 keycode  = F12 

 keycode  = F13 

 keycode  = F14 

 keycode  = F15 

 keycode  = F16 

 keycode  = F17 

 keycode  = F18 

 keycode  = F19 

 keycode  = F20 

 keycode  = F21 

 keycode  = F22 

 keycode  = F23 

 keycode  = F24 

 keycode  = Num_Lock 

 keycode  = Scroll_Lock 

 keycode  = acute grave 

 keycode  = comma semicolon 

 keycode  = minus underscore 

 keycode  = period colon 

 keycode  = numbersign apostrophe 

 keycode  = plusminus hyphen macron 

 keycode  = 

 keycode  = copyright registered 

 keycode  = guillemotleft guillemotright 

 keycode  = masculine ordfeminine 

 keycode  = ae AE 

 keycode  = cent yen 

 keycode  = questiondown exclamdown 

 keycode  = onequarter onehalf threequarters 

 keycode  = less greater bar 

 keycode  = plus asterisk asciitilde 

 keycode  = multiply division

 keycode  = acircumflex Acircumflex 

 keycode  = ecircumflex Ecircumflex 

 keycode  = icircumflex Icircumflex 

 keycode  = ocircumflex Ocircumflex 

 keycode  = ucircumflex Ucircumflex 

 keycode  = ntilde Ntilde 

 keycode  = yacute Yacute 

 keycode  = oslash Ooblique 

 keycode  = aring Aring 

 keycode  = ccedilla Ccedilla 

 keycode  = thorn THORN 

 keycode  = eth ETH 

 keycode  = diaeresis cedilla currency 

 keycode  = agrave Agrave atilde Atilde 

 keycode  = egrave Egrave 

 keycode  = igrave Igrave 

 keycode  = ograve Ograve otilde Otilde 

 keycode  = ugrave Ugrave 

 keycode  = adiaeresis Adiaeresis 

 keycode  = ediaeresis Ediaeresis 

 keycode  = idiaeresis Idiaeresis 

 keycode  = odiaeresis Odiaeresis 

 keycode  = udiaeresis Udiaeresis 

 keycode  = ssharp question backslash 

 keycode  = asciicircum degree 

 keycode  =  sterling 

 keycode  = Mode_switch

 使用event对象的keyCode属性判断输入的键值

 eg：if(event.keyCode==)alert(“enter!”);

 键值对应表

 A　　0X65 　U 　　0X85

 B　　0X66　 V　　 0X86

 C　　0X67　 W　　 0X87

 D　　0X68　 X 　　0X88

 E　　0X69　 Y　　 0X89

 F　　0X70　 Z　　 0X90

 G　　0X71　 　　 0X48

 H　　0X72　 　　 0X49

 I 　 0X73　 　　 0X50

 J 　 0X74　  　　0X51

 K　　0X75　  　　0X52

 L　　0X76　  　　0X53

 M　　0X77　 　　 0X54

 N　　0X78 　 　　0X55

 O　　0X79 　 　　0X56

 P　　0X80 　 　　0X57

 Q　　0X81　ESC　　0X1B

 R　　0X82　CTRL 　0X11

 S　　0X83　SHIFT　0X10

 T　　0X84　ENTER　0XD

如果要使用组合键，则可以利用event.ctrlKey，event.shiftKey，event .altKey判断是否按下了ctrl键、shift键以及alt键