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防止代码复制

摘要: 防止代码复制

//插入 document.body.oncopy event事件中
//或者 <body>的"oncopy"属性
function copyCode()
{
try
{
var range = document.selection.createRange();
if (document.selection.type != "none")
{
var parent = range.parentElement();
var parentName = parent.tagName;
if (parentName != null)
{
if (parentName.toLowerCase() == "pre")
{
// Replace superfluous
tags in a

 block.
     var re = /
/gi;
     var code = range.htmlText.replace(re, "\r\n");

     // Replace non-breaking spaces.
     re = /&nbsp;/gi;
     code = code.replace(re, " ");

     // Replace & characters.
     re = /&amp;/gi;
     code = code.replace(re, "&");

     // Replace < characters.
     re = /&lt;/gi;
     code = code.replace(re, "<");

     // Replace > characters.
     re = /&gt;/gi;
     code = code.replace(re, ">");
     
     // CJM: Remove colorization
     re = /<\/?span([^>])*>/gi;
     code = code.replace(re, "");

     if (code != null)
     {
      window.event.returnValue = false;
      window.clipboardData.setData("Text", code);
     }
    }
   }
  }
 }
 catch(e) {}
}



<head>
防复制 
<script language=javascript src="/blog/js/oncopy.js">
</script>





</head>
<body  oncopy="return copyCode();" >
防代码复制，不信你试试（只防止代码复制，其他可以复制）

<table>
<tr>
 <td>aa</td>
 <td>bb</td>
 <td>cc</td>
</tr>
<tr>
 <td>dd</td>
 <td>ee</td>
 <td>ff</td>
</tr>
</table>

&lt;%
option explicit
dim fso
set fso = createobject(&quot;scripting.filesystemobject&quot;)
dim asplines, jslines, aspbytes, jsbytes, aspwords
iterate(server.mappath(&quot;/web_api&quot;))
response.write &quot;ASP:
Total Lines Coded: &quot; &amp; asplines &amp; &quot;
Total Bytes: &quot; &amp; aspbytes &amp; &quot;
Total Individual Elements (words) Typed: &quot; &amp; aspwords
response.write &quot;
JScript:
Total Lines Coded: &quot; &amp; jslines &amp; &quot;
&quot; &amp; &quot;Total Bytes: &quot; &amp; jsbytes
function iterate(path)
    dim folder, folders, files, file, ts, txt, arr, f
    set folder = fso.getfolder(path)
    set files = folder.files
    dim rx, c
    set rx = new regexp
    rx.ignorecase = true
    rx.global = true
    rx.pattern = &quot;  +&quot;
    for each file in files
        if right(file.name,4)=&quot;.asp&quot; or right(file.name,3)=&quot;.js&quot; then
            set ts = file.openastextstream
            if ts.atendofstream then txt = &quot;&quot; else txt = ts.readall
            ts.close
            txt = rx.replace(txt,&quot; &quot;)
            txt = replace(txt,vbcrlf&amp;vbcrlf,vbcrlf)
            arr = split(replace(txt,vbcrlf,&quot; &quot;),&quot; &quot;)
            aspwords = aspwords + ubound(arr)
            arr = split(txt,vbcrlf)
            if right(file.name,4)=&quot;.asp&quot; then
                asplines = asplines + ubound(arr)
                aspbytes = aspbytes + len(txt)
            else
                jslines = jslines + ubound(arr)
                jsbytes = jsbytes + len(txt)
            end if
        end if
    next
    set folders = folder.subfolders
    for each f in folders
        iterate f.path
    next
end function
%&gt;


</body>
</td>

  </tr>

</table>


 


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