flutter Container颜色渐变（背景图,边框,形状,阴影）

Container(
        decoration: BoxDecoration(
          boxShadow: [
            BoxShadow(
                color: Colors.yellow, blurRadius: 10.0, spreadRadius: 10.0),
          ],
          gradient: new LinearGradient(
              begin: Alignment.bottomCenter,
              end: Alignment.topCenter,
              colors: [
                Colors.amber,
                Colors.yellow,
              ]),
        ),
        padding: EdgeInsets.fromLTRB(0.00, 6.00, 0.00, 6.00),
        width: MediaQuery.of(context).size.width,
        child:

效果 : 

 

const BoxDecoration({
  this.color,
  this.image,
  this.border,
  this.borderRadius,
  this.boxShadow,
  this.gradient,
  this.backgroundBlendMode,
  this.shape = BoxShape.rectangle,
}) : assert(shape != null),

其他属性的一些例子 ：

decoration: BoxDecoration(
  color: Colors.green,
  border: Border.all(color: Colors.grey, width: 1.0),
  borderRadius: BorderRadius.circular(3.0),
),