浏览器通用复制功能copy

function copyLink(){ try { var cText = document.location.toString(); if (window.clipboardData) { window.clipboardData.setData("Text", cText); alert("复制完成!"); } else if (window.netscape) { try { netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); } catch (e) { alert("您的浏览器设置为不允许复制！\n如果需要此操作，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',再重试复制操作!"); return false; } 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); str.data = cText; trans.setTransferData("text/unicode", str, cText.length * 2); var clipid = Components.interfaces.nsIClipboard; if (!clip) return false; clip.setData(trans, null, clipid.kGlobalClipboard); alert("复制完成!"); } } catch (e) { } };