当用户按下某按钮后,使网页其他部分内容和按钮被遮蔽不可用
另外,捕捉传统的ctrl+s按钮快捷键
以下是部分代码,未进行其他处理.
<%@ Page language="c#" Codebehind="Moengban.aspx.cs" AutoEventWireup="false" Inherits="test.Moengban" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Moengban</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body>
<form id="Form1" method="post">
Some Page Content
<input type="submit" value="Submit button" onclick="return Msg()">
<div id="msg" style="display:none;left:0;top:0;102%;height:100%;BORDER-RIGHT: black 1px solid; BORDER-TOP: black 1px solid; Z-INDEX: 99; FILTER: alpha(opacity=80); BORDER-LEFT: black 1px solid; BORDER-BOTTOM: black 1px solid; POSITION: absolute; BACKGROUND-COLOR: #ffffff"></div>
</form>
</body>
<script language=javascript>
<!--
var prekey=-1;
document.body.onkeydown=save;
document.body.onkeyup=relase;
function Msg()
{
var user;
document.all.msg.style.display="";
user=confirm('is ok?');
document.all.msg.style.display="none";
return user;
}
function save()
{
if(prekey==17&&event.keyCode==83)
alert("save");
prekey=event.keyCode;
}
function relase()
{
prekey=-1;
}
//-->
</script>
</HTML>