有時自己辛苦半天做的網頁，尤其是一些javascript特效，很容易被人利用查看源檔案而複製。那麼如何才能防止被人查看原始碼呢？我們可以利用event.button特性來做到。下表是event.button屬性的可能取值及含義：
0 沒按鍵
1 按左鍵
2 按右鍵
3 按左和右鍵
4 按中間鍵
5 按左和中間鍵
6 按右和中間鍵
7 按所有的鍵
參照上表，我們可以在<body>和</body>之間加入如下語句：
<script type="text/javascript">
function Click(){
if (event.button!=1){alert('XXXXXXX');}
document.onmousedown=Click;
</script> <script type="text/javascript"> //以下為禁止滑鼠右鍵的代碼，不想禁止的可以刪除
<!-- if (window.Event)
document.captureEvents(Event.MOUSEUP); function nocontextmenu()
{
event.cancelBubble = true
event.returnValue = false; return false;
} function norightclick(e)
{
if (window.Event)
{
if (e.which == 2 || e.which == 3)
return false;
}
else
{if (event.button == 2 || event.button == 3) {alert("
xxxxxxxxxxx"); } }
{
event.cancelBubble = true
event.returnValue = false;
return false;
} } document.oncontextmenu = nocontextmenu; // for IE5+
document.onmousedown = norightclick; // for all others
//-->
</script>
圖片禁用滑鼠右鍵代碼 <script type="text/javascript"> var clickmessage="本站圖片禁用右鍵!" function disableclick(e) { if (document.all) { if (event.button==2||event.button==3) { if (event.srcElement.tagName=="IMG"){ alert(clickmessage); return false; } } } if (document.layers) { if (e.which == 2) { alert(clickmessage); return false; } } } function associateimages(){ for(i=0;i<document.images.length;i++) document.images[i].onmousedown=disableclick; } if (document.all) document.onmousedown=disableclick else if (document.layers) associateimages() </script> 功能：禁止右鍵、禁選擇、禁粘貼、禁shift、禁ctrl、禁alt <script language="JavaScript">
<!--
function key(){
//禁止Shift
if(event.shiftKey){
window.close();}
//禁止Alt
if(event.altKey){
window.close();}
//禁止Ctrl
if(event.ctrlKey){
window.close();}
return false;}
document.onkeydown=key;
if (window.Event)
document.captureEvents(Event.MOUSEUP);
function nocontextmenu(){
event.cancelBubble = true
event.returnValue = false;
return false;}
function norightclick(e){
if (window.Event){
if (e.which == 2 || e.which == 3)
return false;}
else
if (event.button == 2 || event.button == 3){
event.cancelBubble = true
event.returnValue = false;
return false;}
}
//禁右鍵
document.oncontextmenu = nocontextmenu; // for IE5+
document.onmousedown = norightclick; // for all others
//-->
</script> <body onselectstart="return false"; onpaste="return false";> 如何用用javascript 禁止右鍵,禁止複製,禁止粘貼,做站時常會用到這些代碼:
1. <body oncontextmenu="window.event.returnValue=false" >將徹底屏蔽滑鼠右鍵特效
<table border oncontextmenu=return(false)><td>no</table> 可用於Table 2. <body onselectstart="return false"> 取消選取、防止複製 javascript技巧 3. onpaste="return false" 不準粘貼技巧 4. oncopy="return false;" oncut="return false;" 防止複製的javascirpt特效 |
