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這篇文章主要介紹了Atitit.js的鍵盤按鍵事件捆綁and事件調度的相關資料,需要的朋友可以參考下

1. Best的方法還是

objEvtMap[ id+evt ]=function(evt,element)

2. Event bind

function bindEvent_4_dataBlock()

{

var arr=$("#table1 li");

arr.each(function(index, element) {

$(element).keypress(function(){

alert('keypress');

});

var id="data_aid_"+index;

$(element).attr("id","data_aid_"+index);

objEvtMap[ id ]=function(evt,element)

{

if(evt=="down")

key_press_hadler($(element));

if(evt=="up")

key_press_hadler4up($(element));

if(evt=="left")

{};

if(evt=="rit")

{}

};

});

}

3. Event dispatch

document.onkeydown=function(event){

var e = event || window.event || arguments.callee.caller.arguments[0];

alert("keycode:"+e.keyCode);

if(e && e.keyCode==40 ){//下

//alert('40=下鍵，39=右鍵');

var now=$(".selected");

var id=$(now).attr("id");

var func=objEvtMap[id ];

func("down",now);

//key_press_hadler(now);

return false;

}

js中獲取鍵盤事件

<script type="text/javascript" language=JavaScript charset="UTF-">

document.onkeydown=function(event){

var e = event || window.event || arguments.callee.caller.arguments[];

if(e && e.keyCode==){ // 按 Esc 

//要做的事情

}

if(e && e.keyCode==){ // 按 F 

//要做的事情

} 

if(e && e.keyCode==){ // enter 鍵

//要做的事情

}

}; 

</script>

只要你定義了這些鍵的動作，你在瀏覽器里按下這些鍵就會響應，兼容目前所有瀏覽器。

js 里面的鍵盤事件經常用到，所以收集了鍵盤事件對應的鍵碼來分享下：

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

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 = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

keyCode = F

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對象的keyCode屬性判斷輸入的鍵值

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

鍵值對應表

A　　X 　U 　　X

B　　X　 V　　 X

C　　X　 W　　 X

D　　X　 X 　　X

E　　X　 Y　　 X

F　　X　 Z　　 X

G　　X　 　　 X

H　　X　 　　 X

I　　X　 　　 X

J　　X　 　　X

K　　X　 　　X

L　　X　 　　X

M　　X　 　　 X

N　　X 　 　　X

O　　X 　 　　X

P　　X 　 　　X

Q　　X　ESC　　XB

R　　X　CTRL 　X

S　　X　SHIFT　X

T　　X　ENTER　XD

如果要使用組合鍵，則可以判斷是否同時按下了這幾個鍵，比如ctrl鍵、shift鍵以及alt鍵的組合使用就可以判斷是否多按下了ctrl鍵、shift鍵以及alt鍵