js事件绑定快捷键以ctrl+k为例
js代码
<html>
<head>
<scripttype="text/javascript">
window.onload=function(){
HotKeyHandler.Init();
}
varHotKeyHandler={
currentMainKey:null,
currentValueKey:null,
Init:function(){
HotKeyHandler.Register(0,"K",function(){alert("注册成功");});
},
Register:function(tag,value,func){
varMainKey="";
switch(tag){
case0:
MainKey=17;//Ctrl
break;
case1:
MainKey=16;//Shift
break;
case2:
MainKey="18";//Alt
break;
}
document.onkeyup=function(e){
HotKeyHandler.currentMainKey=null;
}
document.onkeydown=function(event){
//获取键值
varkeyCode=event.keyCode;
varkeyValue=String.fromCharCode(event.keyCode);
if(HotKeyHandler.currentMainKey!=null){
if(keyValue==value){
HotKeyHandler.currentMainKey=null;
if(func!=null)func();
}
}
if(keyCode==MainKey)
HotKeyHandler.currentMainKey=keyCode;
}
}
}
</script>
</head>
<body>
测试，按下ctrl+k你就会发现神奇的事情发生了
</body>
</html>