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);