Widget _dashedDivider(BuildContext context) {
    return Column(
      children: const [
        SizedBox(
          height: 20,
        ),
        TDDivider(
          isDashed: true,
        ),
        SizedBox(
          height: 20,
        ),
        TDDivider(
          text: '文字信息',
          alignment: TextAlignment.left,
          isDashed: true,
        ),
        SizedBox(
          height: 20,
        ),
        TDDivider(
          text: '文字信息',
          alignment: TextAlignment.center,
          isDashed: true,
        ),
        SizedBox(
          height: 20,
        ),
        TDDivider(
          text: '文字信息',
          alignment: TextAlignment.right,
          isDashed: true,
        ),
      ],
    );
  }