支持Firefox和IE的文本复制Javascript

来源：互联网发布：淘宝销量很高评论很少编辑：程序博客网时间：2024/06/03 02:07
function copyToClipboard(text){
    if(text==null||text=='undefined')
            return;
                
            //window.clipboardData.setData("Text",text);
   if (window.clipboardData){
         window.clipboardData.setData("Text", text);
       }
   else if (window.netscape){
       netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
       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=text;
       
       str.data=copytext;
       
       trans.setTransferData("text/unicode",str,copytext.length*2);
       
       var clipid=Components.interfaces.nsIClipboard;
       
       if (!clip) return ;
       
       clip.setData(trans,null,clipid.kGlobalClipboard);
       
       }else{
          window.alert("不支持该浏览器的复制功能，请手动复制");
          return;
       }
        window.alert("已复制成功，请直接粘贴$codeFormat");
    }