Flutter-ShapeDecoration

類似

BoxDecoration

ShapeDecoration(
              shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(4)
              ),
              shadows: [
                BoxShadow(
                    color: Colors.blue,
                    blurRadius:6,
                    offset: Offset(0,0)
                )
              ]
          )