js客户端快捷键管理类的较完整实现和应用

//一个快捷键对象 
function KeyOne(id, keys, dom, isfun, fun,iskeydown) { 
this.id = id; 
this.keys = keys; 
this.dom = dom; 
this.isfun = isfun; 
this.fun = fun; 
this.isKeydown = iskeydown; 
} //快捷键管理类 
var KeyConlor = {}; 
KeyConlor.list = new Array(); 
//添加一个快捷键绑定焦点（当快捷键被激发时让焦点落在指定id对象上） 
//使用说明key的值如果是“c,50”则表示“ctrl”和键码为50的组合键 
// "a,50" 则表示“alt”和键码为50的组合键 
// "s,50" 则表示“shift”和键码为50的组合键 
// "50" 则表示键码为50的单键（建议使用组合键alt） 
//id指的是快捷键对应的焦点对象。 
//dom指的是id对象所在的document对象 
KeyConlor.addkeyfouse = function(id, key, dom, iskyedown) { 
var keyone = new KeyOne(id, key, dom, false, null, iskyedown); 
if (KeyConlor.KeyIsOK(keyone)) { 
KeyConlor.list.push(keyone); 
} else { 
alert("快捷键"+keyone.keys+"已经被注册 不能重复注册了"); 
return false; 
} 
}; 
//快捷键绑定方法（当快捷键激发时触发方法） 
KeyConlor.addkeyfun = function(key, fun, iskeydown) { 
var keyone = new KeyOne("", key, "", true, fun, iskeydown); 
if (KeyConlor.KeyIsOK(keyone)) { 
KeyConlor.list.push(keyone) 
} else { 
alert("快捷键:" + keyone.keys + ";已经被注册 .重复注册无效"); 
return false; 
} 
}; 
//--删除一个快捷键 
//KeyConlor.removeFouseKey = function(id) { 
// var keyone = new KeyOne(id, ""); 
// for (var i = 0; i < KeyConlor.list.length; i++) { 
// if (keyone.id == KeyConlor.list[i].id) { 
// KeyConlor.list[i] = null; 
// } 
// } 
//}; 
//--判断快捷键是不是重复注册 
KeyConlor.KeyIsOK = function(keyone) { 
for (var i = 0; i < KeyConlor.list.length; i++) { 
if (KeyConlor.list[i].keys == keyone.keys) { 
return false; 
} 
} 
return true; 
}; 
document.onkeydown = function() { 
for (var i = 0; i < KeyConlor.list.length; i++) { 
var keyone = KeyConlor.list[i]; 
if (!keyone.isKeydown) continue; 
var control = keyone.keys.split(",")[0]; 
switch (control) { 
case 's': 
var code = keyone.keys.split(",").length > 1 ? keyone.keys.split(",")[1] : keyone.keys.split(",")[0]; 
if (event.shiftKey == true && event.keyCode == code) { 
//获得焦点 
if (!keyone.isfun) { 
keyone.dom.getElementById(keyone.id).focus(); 
} else { 
keyone.fun(); 
} 
event.keyCode=0; 
return false; 
} 
break; 
case 'c': 
var code = keyone.keys.split(",").length > 1 ? keyone.keys.split(",")[1] : keyone.keys.split(",")[0]; 
if (event.ctrlKey == true && event.keyCode == code) { 
//获得焦点 
if (!keyone.isfun) { 
keyone.dom.getElementById(keyone.id).focus(); 
} else { 
keyone.fun(); 
} 
event.keyCode=0; 
return false; 
} 
break; 
case 'a': 
var code = keyone.keys.split(",").length > 1 ? keyone.keys.split(",")[1] : keyone.keys.split(",")[0]; 
if (event.altKey == true && event.keyCode == code) { 
//获得焦点 
if (!keyone.isfun) { 
keyone.dom.getElementById(keyone.id).focus(); 
} else { 
keyone.fun(); 
} 
event.keyCode=0; 
return false; 
} 
event.keyCode=0; 
break; 
default: 
//获得焦点 
var code = keyone.keys.split(",").length > 1 ? keyone.keys.split(",")[1] : keyone.keys.split(",")[0]; 
if (event.keyCode == code && event.altKey == false && event.ctrlKey == false && event.shiftKey == false) { 
if (!keyone.isfun) { 
keyone.dom.getElementById(keyone.id).focus(); 
} else { 
keyone.fun(); 
} 
event.keyCode=0; 
return false; 
} 
break; 
} 
} 
}; 
document.onkeyup = function() { 
for (var i = 0; i < KeyConlor.list.length; i++) { 
var keyone = KeyConlor.list[i]; 
if (keyone.isKeydown) continue; 
var control = keyone.keys.split(",")[0]; 
switch (control) { 
case 's': 
var code = keyone.keys.split(",").length > 1 ? keyone.keys.split(",")[1] : keyone.keys.split(",")[0]; 
if (event.shiftKey == true && event.keyCode == code) { 
//获得焦点 
if (!keyone.isfun) { 
keyone.dom.getElementById(keyone.id).focus(); 
} else { 
keyone.fun(); 
} 
event.keyCode=0; 
return false; 
} 
break; 
case 'c': 
var code = keyone.keys.split(",").length > 1 ? keyone.keys.split(",")[1] : keyone.keys.split(",")[0]; 
if (event.ctrlKey == true && event.keyCode == code) { 
//获得焦点 
if (!keyone.isfun) { 
keyone.dom.getElementById(keyone.id).focus(); 
} else { 
keyone.fun(); 
} 
event.keyCode=0; 
return false; 
} 
break; 
case 'a': 
var code = keyone.keys.split(",").length > 1 ? keyone.keys.split(",")[1] : keyone.keys.split(",")[0]; 
if (event.altKey == true && event.keyCode == code) { 
//获得焦点 
if (!keyone.isfun) { 
keyone.dom.getElementById(keyone.id).focus(); 
} else { 
keyone.fun(); 
} 
event.keyCode=0; 
return false; 
} 
break; 
default: 
//获得焦点 
var code = keyone.keys.split(",").length > 1 ? keyone.keys.split(",")[1] : keyone.keys.split(",")[0]; 
if (event.keyCode == code && event.altKey == false && event.ctrlKey == false && event.shiftKey == false) { 
if (!keyone.isfun) { 
keyone.dom.getElementById(keyone.id).focus(); 
} else { 
keyone.fun(); 
} 
event.keyCode=0; 
return false; 
} 
break; 
} 
} 
}; 
//常用键盘码 
var keyCodeStr = { 
Alt: "a", 
Shift: "s", 
Ctrl: "c", 
Up: "38", 
Down: "40", 
Left: "37", 
Right: "39", 
Esc: "27", 
Enter: "13", 
Backspace: "8", 
Delete: "46", 
Tab: "9", 
CapsLK: "20", 
Space: "32" 
}; 
[code] 
----------以上是js类------------------------------- 
[code] 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head runat="server"> 
<title></title> 
<script src="KyeControl.js" type="text/javascript"></script> 
<script type="text/javascript"> 
KeyConlor.addkeyfun(keyCodeStr.Ctrl+","+"70",function (){alert("哈哈");},true); 
KeyConlor.addkeyfouse("2","65",document,true); 
</script> 
</head> 
<body> 
<form id="form1" > 
<div> 
<input type="text" id="2" /> 
<input type="text" id="3" /> 
<input type="text" id="4" /> 
<input type="text" id="5" /> 
</div> 
</form> 
</body> 
</html>