以下代码同时适合IE、firefox、谷歌浏览器下适用Java代码
//禁用右键、文本选择功能、复制按键
$(document).bind("contextmenu",function(){returnfalse;});
$(document).bind("selectstart",function(){returnfalse;});
$(document).keydown(function(){returnkey(arguments[0])});
//按键时提示警告
functionkey(e){
varkeynum;
if(window.event){//IE
keynum=e.keyCode;
}
elseif(e.which){//Netscape/Firefox/Opera
keynum=e.which;
}
if(keynum==17){

alert("禁止复制内容！");returnfalse;}
}
<script>
//屏蔽鼠标右键、Ctrl+N、Shift+F10、F11、F5刷新、退格键
functiondocument.oncontextmenu(){event.returnValue=false;}//屏蔽鼠标右键
functionwindow.onhelp(){returnfalse}//屏蔽F1帮助
functiondocument.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");
returnfalse;
}
}
</script>
/*http://gichan.iteye.com/blog/1075952/*/