<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>禁止用户刷新页面</title>
document.onkeydown = function()
{
/*
(ctrlKey == true && keyCode == 82) Ctrl+R ---刷新
(keyCode == 116) F5 ---刷新
(ctrlKey == true && keyCode == 116) Ctrl+F5 ---强制刷新
*/
//window.alert(event.keyCode);
var k = event.keyCode;
if((event.ctrlKey == true && k == 82) || (k == 116) || (event.ctrlKey == true && k == 116))
{
//return (window.confirm("关闭?"));
event.keyCode = 0;
event.returnValue = false;
event.cancelBubble = true;
}
}
</script>
</head>
</body>
</html>