<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> <mce:script language="Javascript"><!-- //屏蔽鼠标右键、Ctrl+N、Shift+F10、F11、F5刷新、退格键 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; } 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; } } // --></mce:script> 屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键 <br/> 有更好的还请分享。。 </body> </html>
来源：http://www.cnblogs.com/kinpauln/archive/2010/07/08/1773322.html
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