flutter-sport/lib/widgets/decoration.dart

import 'package:flutter/material.dart';

Decoration card({circular = 10.0}) => BoxDecoration(
        color: Colors.white, // 底色
        borderRadius:
            new BorderRadius.all(Radius.circular(circular)), // 也可控件一边圆角大小
        boxShadow: [
          BoxShadow(
              offset: Offset(0.0, 0),
              blurRadius: 7,
              spreadRadius: 0,
              color: Color.fromRGBO(0, 0, 0, 0.07))
        ]);

Decoration circular({circular = 10.0}) => BoxDecoration(
    borderRadius: BorderRadius.circular(circular), color: Colors.white);

Decoration shadowTop() => BoxDecoration(color: Colors.white, // 底色
        boxShadow: [
          BoxShadow(
              color: Colors.black.withOpacity(0.04),
              offset: Offset(0.0, -3.0), //阴影xy轴偏移量
              blurRadius: 5.0, //阴影模糊程度
              spreadRadius: .0 //阴影扩散程度
              )
        ]);