easyui tabs 真正刷新用法

  //刷新当前标签Tabs
     function RefreshTab(currentTab) {
         var url = $(currentTab.panel('options')).attr('href');
         $('#tabs').tabs('update', {
             tab: currentTab,
             options: {
                 href: url
             }
         });
         currentTab.panel('refresh');
   }

   var currentTab = $('#tabs').tabs('getSelected');
   RefreshTab(currentTab);