//方法一
在 <body>与</body>之间加入:
<script language="javascript">
function click() {
if (event.button==2) {
alert('去,不准偷看。')
}
}
document.onmousedown=click
</script>
或
<script language="javascript">
document.oncontextmenu=stop
</script>
//方法二
oncontextmenu='return false'
ondragstart='return false'
onselectstart ='return false'
onselect='document.selection.empty()' oncopy='document.selection.empty()'
onbeforecopy='return false'
onmouseup='document.selection.empty()'