JS 屏蔽右键代码

    <p>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA</p>
    <script type="text/javascript">
        document.body.oncontextmenu = document.body.ondragstart = document.body.onselectstart = document.body.onbeforecopy = function () { return false; }; 
        document.body.onselect = document.body.oncopy = document.body.onmouseup = function () { document.selection.empty()};
    </script>