Widget _iconTextTypeTabBar(BuildContext context) {
    return TDBottomTabBar(TDBottomTabBarBasicType.iconText, useVerticalDivider: false, navigationTabs: [
      TDBottomTabBarTabConfig(
        tabText: '标签',
        selectedIcon: _selectedIcon,
        unselectedIcon: _unSelectedIcon,
        onTap: () {
          onTapTab(context, '标签1');
        },
      ),
      TDBottomTabBarTabConfig(
        tabText: '标签',
        selectedIcon: _selectedIcon,
        unselectedIcon: _unSelectedIcon,
        onTap: () {
          onTapTab(context, '标签2');
        },
      ),
    ]);
  }