GridView

return GridView.count(
      //一行多少个
      crossAxisCount: 5,
      //滚动方向
      scrollDirection: Axis.vertical,
      // 左右间隔
      crossAxisSpacing: 10.0,
      // 上下间隔
      mainAxisSpacing: 10.0,
      //宽高比
      childAspectRatio: 2 / 5,
      // 滑动物理效果，水波纹、回弹、去除效果等设置
      physics: ClampingScrollPhysics(),
    );