禁止另存代码：
<noscript>
<iframe src="/*>";</iframe>
</noscript>
<iframe src="/*>";</iframe>
</noscript>
禁止复制代码：
<body
oncontextmenu='return false'
ondragstart='return false'
onselectstart ='return false'
onselect='document.selection.empty()'
oncopy='document.selection.empty()'
onbeforecopy='return false'
onmouseup='document.selection.empty()'
>
oncontextmenu='return false'
ondragstart='return false'
onselectstart ='return false'
onselect='document.selection.empty()'
oncopy='document.selection.empty()'
onbeforecopy='return false'
onmouseup='document.selection.empty()'
>
禁止右键：
<script language="JavaScript">document.oncontextmenu = function() { return false;}</script>
禁止选取：
<body oncontextmenu="return false" ondragstart="return false" onselectstart ="return false" onselect="document.selection.empty()" oncopy="document.selection.empty()" onbeforecopy="return false"onmouseup="document.selection.empty()>
禁止粘贴：
<input type=text onpaste="return false"> 
