Ext Multiselect 多项删除

function(){
          var selectObj = Ext.getCmp('vlist');  //Multiselect
          var selectionsArray  = selectObj.view.getSelectedIndexes();

          var records  = [];
          if (selectionsArray.length > 0){
               for (var i=0; i< selectionsArray.length; i++){
                  record = selectObj.view.store.getAt(selectionsArray[i]);
                  records.push(record);
               }
               for (var i=0; i<records.length; i++){
                  record = records[i];
                  selectObj.view.store.remove(record);
               }
             }
 }