Widget _showAllIcons(BuildContext context) {
    return Container(
      color: Colors.white,
      alignment: Alignment.center,
      child: Wrap(
        children: [
          Container(
            child: TDButton(text: showBorder? '隐藏边框':'显示边框',
              shape: TDButtonShape.filled,
              onTap: (){
                setState(() {
                  showBorder = !showBorder;
                });
              },),
            margin: const EdgeInsets.only(bottom: 16),
          ),
          for (var iconData in TDIcons.all.values) SizedBox(
            height: 100,
            width: 175,

            child: Column(
              children: [
                Container(
                  color: showBorder ? TDTheme.of(context).brandDisabledColor : Colors.transparent,
                  child: Icon(iconData),
                ),
                TDText(iconData.name)
              ],
            ),
          )
        ],
      ),
    );
  }