CircleBorder 继承自： OutlinedBorder, ShapeBorder

A border with a circle shape.

属性

名称	类型	默认值	说明
eccentricity	Number	0.0	Defines how much the circle deforms to fit a rectangle. 0.0 keeps the shape circular, touching at least two sides of the rectangle. 1.0 fully deforms it into an oval touching all sides.
side	Optional[BorderSide]	None	The border outline's color and weight.

方法

名称	类型	默认值	说明
copy	'CircleBorder'	—	返回此对象的副本，可覆盖指定属性。