JS复制内容到剪切板 （转）

转载的内容

<script type="text/javascript" language="javascript">
        //复制到剪切板js代码
        function copyToClipBoard(s) {
            //alert(s);
            if (window.clipboardData) {
                window.clipboardData.setData("Text", s);
                alert("已经复制到剪切板！"+ "
" + s);
            } else if (navigator.userAgent.indexOf("Opera") != -1) {
                window.location = s;
            } else if (window.netscape) {
                try {
                    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
                } catch (e) {
                    alert("被浏览器拒绝！
请在浏览器地址栏输入'about:config'并回车
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 = s;
                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("已经复制到剪切板！" + "
" + s)
            }
        }</script>

<script type="text/javascript" language="javascript">

        //复制到剪切板js代码

        function copyToClipBoard(s) {

            //alert(s);

            if (window.clipboardData) {

                window.clipboardData.setData("Text", s);

                alert("已经复制到剪切板！"+ " " + s);

            } else if (navigator.userAgent.indexOf("Opera") != -1) {

                window.location = s;

            } else if (window.netscape) {

                try {

                    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");

                } catch (e) {

                    alert("被浏览器拒绝！ 请在浏览器地址栏输入'about:config'并回车 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 = s;

                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("已经复制到剪切板！" + " " + s)

            }

        }</script>