<html> - <head>
- <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
- <noscript><meta http-equiv="refresh" content="0;url=about:noscript"></noscript>
- <title>屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键</title>
- </head>
- <body>
-
- <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:1px;dialogheight:1px");
- return false;
- }
- }
- </script>
- 屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键
-
- </body>
- </html>
From: http://51jsr.javaeye.com/blog/845130