JS实现复制功能 IE下的 和兼容Firefox
最近做项目的时候需要用到这样的js功能，在网上gg和baidu了一下，找到了这两段js代码，在这理为大家整理了一下。。
IE下的：
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function copyToClipboard() { var copyText=window.document.getElementById("filePath").value; if (window.clipboardData) { window.clipboardData.setData("Text", copyText) } else { var flashcopier = 'flashcopier'; if(!document.getElementById(flashcopier)) { var divholder = document.createElement('div'); divholder.id = flashcopier; document.body.appendChild(divholder); } document.getElementById(flashcopier).innerHTML = ''; var divinfo = '<embed src="../js/_clipboard.swf" FlashVars="clipboard='+encodeURIComponent(copyText)+'" width="0" height="0" type="application/x-shockwave-flash"></embed>'; document.getElementById(flashcopier).innerHTML = divinfo; } alert('复制成功！');} ?
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这段是兼容Firefox下的：
function copyToClipboard() { var txt=window.document.getElementById("filePath").value; //-----控件的 id=filePath if(window.clipboardData) { window.clipboardData.clearData(); window.clipboardData.setData("Text", txt); alert("复制成功！"); } 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("复制成功！"); } } ??