<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script language="Javascript"><!--
//屏蔽鼠标右键、Ctrl+N、Shift+F10、F11、F5刷新、退格键
//Author: meizz(梅花雨) 2002-6-18
function document.oncontextmenu(){event.returnValue=false;}//屏蔽鼠标右键
function window.onhelp(){return false} //屏蔽F1帮助
function document.onkeydown()
{
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;
}
/* 注：这还不是真正地屏蔽 Alt+ 方向键，
因为 Alt+ 方向键弹出警告框时，按住 Alt 键不放，
用鼠标点掉警告框，这种屏蔽方法就失效了。以后若
有哪位高手有真正屏蔽 Alt 键的方法，请告知。*/
if ((event.keyCode==8) || //屏蔽退格删除键
(event.keyCode==116)|| //屏蔽 F5 刷新键
(event.ctrlKey && event.keyCode==82)) //Ctrl + R
{
event.keyCode=0;
event.returnValue=false;
}
if (event.keyCode==122){event.keyCode=0;event.returnValue=false;} //屏蔽F11
if (event.ctrlKey && event.keyCode==78) event.returnValue=false; //屏蔽 Ctrl+n
if (event.shiftKey && event.keyCode==121)event.returnValue=false; //屏蔽 shift+F10
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:0px;dialogheight:0px"); //将关闭时间给了这个dialog
return false;
}
}
// --></script>
<script type="text/javascript"><!--
document.write( "屏幕宽度："+screen.width+"px<br />" );
document.write( "屏幕高度："+screen.height+"px<br />" );
document.write( "屏幕可用宽度："+screen.availWidth+"px<br />" );
document.write( "屏幕可用高度："+screen.availHeight+"px" );
// --></script>
</HEAD>
<BODY>
<div id="bgDiv1">
</div>
<p>屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键，但是无法禁止工具栏按钮的刷新</p>
<a href="#" mce_href="#" onclick="window.close();">关闭当前按窗体</a>
<input type="text">
<br />
</BODY>
</HTML>
![桐城[澎湃新闻]个性背景墙放心选购](https://pic17_1.qiyeku.com/qiyeku_pic/2017/6/28/mnkzs/news/news_pic/image/2017_07_20/20170720123139619.jpg)
