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兼容IE和Firefox的复制页面地址到粘贴板

2010-03-14 10:56 288 查看
<script type="text/javascript">
/*
*Ie && Firefox CopyToClipBoard
*
*/
function copyToClipBoard() {
var txt = window.location.toString();
//txt += document.title;
if(window.clipboardData) {
window.clipboardData.clearData();
window.clipboardData.setData("Text",txt);
}else if(navigator.userAgent.indexOf("Opera") != -1) {
window.location = txt;
} else if (window.netscape) {
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
} catch (e) {
alert("被浏览器拒绝!\n请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true'");
}
var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
if (!clip)
return;
var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
if (!trans)
return;
trans.addDataFlavor('text/unicode');
var str = new Object();
var len = new Object();
var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
var copytext = txt;
str.data = copytext;
trans.setTransferData("text/unicode",str,copytext.length*2);
var clipid = Components.interfaces.nsIClipboard;
if (!clip)
return false;
clip.setData(trans,null,clipid.kGlobalClipboard);
}
alert("你已经成功复制本帖地址,请直接粘贴推荐给你的朋友!");
}
</script>
<a href="javascript:;" onClick="copyToClipBoard();">推荐给朋友</a>
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