ckeditor 捕获键代码

 <!--<script type="text/javascript">
     var ctrlKey = false;
     var shiftKey = false;
     if(typeof(CKEDITOR)!='undefined') {
         for(instance in CKEDITOR.instances) {
             var editor = CKEDITOR.instances[instance];
             editor.on('instanceReady', function(){
                 this.document.on("keydown", function(e) {
                     var keyCode = e.data.getKey();
                     if(keyCode == 17) {
                         ctrlKey = true;
                     } else if(keyCode == 16) {
                         shiftKey = true;
                     }
                     //console.debug(keyCode);
                 },null,null,1)
                 this.document.on("keydown", function(e) {
                     var keyCode = e.data.getKey();
                     if(ctrlKey && keyCode == 86) {
                         alert(editor);
                         var dialogObj = new CKEDITOR.dialog(editor, function() {});
                         alert(dialogObj);
                         dialogObj.show();
                     }
                     //console.debug(keyCode);
                 },null,null,1)
             });
         }
     }
 </script>-->