<html>
<script>
function dout(){ //屏蔽鼠标右键、Ctrl+n、shift+F10、F5刷新、退格键
//alert("ASCII代码是："+event.keyCode);
if ((window.event.altKey)&&
((window.event.keyCode==37)|| //屏蔽 Alt+ 方向键 ←
(window.event.keyCode==39))){ //屏蔽 Alt+ 方向键 →
alert("不准你使用ALT+方向键前进或后退网页！");
event.returnValue=false;
}
if ((event.keyCode==8) || //屏蔽退格删除键
(event.keyCode==116)|| //屏蔽 F5 刷新键
(event.keyCode==112)|| //屏蔽 F1 刷新键
(event.ctrlKey && event.keyCode==82)){ //Ctrl + R
event.keyCode=0;
event.returnValue=false;
}
if ((event.ctrlKey)&&(event.keyCode==78)) //屏蔽 Ctrl+n
event.returnValue=false;
if ((event.shiftKey)&&(event.keyCode==121)) //屏蔽 shift+F10
event.returnValue=false;
if (window.event.srcElement.tagName == "A" && window.event.shiftKey)
window.event.returnValue = false; //屏蔽 shift 加鼠标左键新开一网页
if ((window.event.altKey)&&(window.event.keyCode==115)){ //屏蔽Alt+F4
window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");
return false;}
}
function Showhelp(){
alert("按了F1");
return false;
}
</script>
<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>键盘代码</title>
<style>
<!--
body { font-family: Verdana; color: #000080; font-size: 9pt }
--></style>
</head>
<body ondout="dout()" oncontextmenu="event.returnValue=false" onhelp="Showhelp();return false;">
<p align="center">请按键盘</p>
</body>
</html>
<script language="JavaScript">
<!--
if (window.Event) document.captureEvents(Event.MOUSEUP);
function nocontextmenu()
{
event.cancelBubble = true
event.returnValue = false;
return false;
}
function norightclick(e)
{
if (window.Event)
{
if (e.which == 2 || e.which == 3)
return false;
}
else
if (event.button == 2 || event.button == 3)
{
event.cancelBubble = true
event.returnValue = false;
return false;
}
}
document.oncontextmenu = nocontextmenu; // for IE5+
document.onmousedown = norightclick; // for all others
//-->
</script><body bgcolor="#DEEBEF" onselectstart="return false">
<body ondout="dout()" oncontextmenu="event.returnValue=false" onhelp="Showhelp();return false;">
改为
<body onkeydown="dout()" oncontextmenu="event.returnValue=false" onhelp="Showhelp();return false;">
不好意思