try
---------------------------------
<pre>
adsfasdf
adsf
asdf
asdf
asdfasdfasdf
</pre>
<script language="javascript">
document.onselectionchange = function(){
document.execCommand("Copy");
}
</script>
---------------------------------
<pre>
adsfasdf
adsf
asdf
asdf
asdfasdfasdf
</pre>
<script language="javascript">
document.onselectionchange = function(){
document.execCommand("Copy");
}
</script>
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货