Flutter 边框阴影

Container(
      height: ScreenAdaper.width2px(78),
      decoration: BoxDecoration(
        border: new Border.all(
          color: Colors.grey.withOpacity(0.2), //边框颜色
          width: 1, //边框宽度
        ), // 边色与边宽度
        color: Colors.white, // 底色
        boxShadow: [
          BoxShadow(
            blurRadius: 10, //阴影范围
            spreadRadius: 0.1, //阴影浓度
            color: Colors.grey.withOpacity(0.2), //阴影颜色
          ),
        ],
        borderRadius: BorderRadius.circular(10), 
      ),
    );