js 障蔽
日期：2014-05-16 浏览次数：20426 次
js 屏蔽
/**?
?*屏蔽功能类(屏蔽F5、Ctrl+N、Shift+F10、Alt+F4、右键菜单......)??
?*@createDate 2009-07-30?
?*@author Carl He?
*/?
?
/** 屏蔽F1帮助 */?
window.onhelp = function(){return false;}??
?
/**?
?*屏蔽 F5、Ctrl+N、Shift+F10、Alt+F4?
?*如果想要屏蔽其他键，则找到对应的 keyCode 再依照此方法即可?
*/?
document.onkeydown = function(event){??
??? event = window.event || event;??
??? if(event.keyCode==116 || (event.ctrlKey && event.keyCode==78) || (event.shiftKey && event.keyCode==121) || (event.altKey && event.keyCode==115)){??
??????? event.keyCode =0;??
??????? event.returnvalue = false;??
??? }??
}??
?
/** 屏蔽鼠标右键 */?
document.oncontextmenu = function(){return false;}??
?
//或者??
?
document.onmousedown = function(event){??
??? event = window.event || event;??
??? if(document.all && event.button == 2) {??
??????? event.returnvalue=false;??
??? }??
}??
?
/**?
?* 屏蔽“后退”功能(<a href="javascript:replaceLocation('http://www.google.com')" mce_href="javascript:replaceLocation('http://www.google.com')">Google</a>)?
?* @param url 页面要转向的URL?
*/?
function replaceLocation(url){??
??? document.location.replace(url);??
}??
?
/** 屏蔽选中网页内容 */?
document.onselectstart=function(){return false;}??
?
/** 屏蔽复制网页内容 */?
document.body.oncopy = function(){return false;}??
?
/** 屏蔽剪切网页内容 */?
document.body.oncut = function(){return false;}??
?
/** 屏蔽向网页粘贴内容 */?
document.body.onpaste = function(){return false;}??
?
/** 屏蔽拷屏（不停的清空剪贴板） */?
window.setInterval('window.clipboardData("Text", "")', 100);??
?
/**?
?* 屏蔽查看源文件( <body onload=clear()> )?
*/?
function clear() {??????
??? var source=document.body.firstChild.data;??????
??? document.open();??????
??? document.close();??????
??? document.body.innerHTML = source;??????
}?
转载??http://blog.csdn.net/hemingwang0902/archive/2009/07/30/4395109.aspx
