张艺麟的博客

function text_clip(text){
	if(isFirefox=navigator.userAgent.indexOf("Firefox")>0){
		if (window.clipboardData){
			window.clipboardData.setData("Text", text);}
		else if (window.netscape){
			//alert(typeof(netscape));
			try{
				netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
			} catch (e) {
				alert("您的firefox安全限制限制您进行剪贴板操作，请打开about:config将signed.applets.codebase_principal_support设置为true'之后重试");
			}
			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 texttext=text;
			str.data=texttext;
			trans.setTransferData("text/unicode",str,texttext.length*2);
			var clipid=Components.interfaces.nsIClipboard;
			if (!clip) return false;
			clip.setData(trans,null,clipid.kGlobalClipboard);
		}
		alert("已复制"+text)
  } else {
  }
	return false;
}

text_clip(“test”);