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Card组件是卡片组件，内容可以由列表的widget组成，Card组件具有阴影圆角的功能。

常用属性：
属性 说明

• margin 外边距
• elevation 阴影值的深度
• child 子元素

import 'package:flutter/material.dart';void main() => runApp(MyApp());class MyApp extends StatelessWidget {@overrideWidget build(BuildContext context) {return MaterialApp(home: Scaffold(appBar: AppBar(title: Text("Card"),),body: HomeContent(),),);}
}class HomeContent extends StatelessWidget {@overrideWidget build(BuildContext context) {return ListView(children: <Widget>[Card(elevation:1.0,margin: EdgeInsets.all(10),child: Column(children: <Widget>[Container(child: Image.network("http://file03.16sucai.com/2016/06/20165rd2yvmc025.jpg",fit: BoxFit.cover,),margin: EdgeInsets.all(10),),ListTile(leading: CircleAvatar(backgroundImage: NetworkImage("https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1581413287870&di=35491998b94817cbcf04d9f9f3d2d4b3&imgtype=jpg&src=http%3A%2F%2Fimg0.imgtn.bdimg.com%2Fit%2Fu%3D2464547320%2C3316604757%26fm%3D214%26gp%3D0.jpg"),),title: Text("Candy Shop"),subtitle: Text("Flutter is Goole's moblie UI framework for crafting higt ",overflow: TextOverflow.ellipsis,maxLines: 1,),)],),),Card(elevation:10.0,margin: EdgeInsets.all(10),child: Column(children: <Widget>[Container(child: Image.network("http://file03.16sucai.com/2016/06/20165rd2yvmc025.jpg",fit: BoxFit.cover,),margin: EdgeInsets.all(10),),ListTile(leading: CircleAvatar(backgroundImage: NetworkImage("https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1581413287870&di=35491998b94817cbcf04d9f9f3d2d4b3&imgtype=jpg&src=http%3A%2F%2Fimg0.imgtn.bdimg.com%2Fit%2Fu%3D2464547320%2C3316604757%26fm%3D214%26gp%3D0.jpg"),),title: Text("Candy Shop"),subtitle: Text("Flutter is Goole's moblie UI framework for crafting higt ",overflow: TextOverflow.ellipsis,maxLines: 1,),)],),),Card(elevation:20.0,margin: EdgeInsets.all(10),child: Column(children: <Widget>[Container(child: Image.network("http://file03.16sucai.com/2016/06/20165rd2yvmc025.jpg",fit: BoxFit.cover,),margin: EdgeInsets.all(10),),ListTile(leading: CircleAvatar(backgroundImage: NetworkImage("https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1581413287870&di=35491998b94817cbcf04d9f9f3d2d4b3&imgtype=jpg&src=http%3A%2F%2Fimg0.imgtn.bdimg.com%2Fit%2Fu%3D2464547320%2C3316604757%26fm%3D214%26gp%3D0.jpg"),),title: Text("Candy Shop"),subtitle: Text("Flutter is Goole's moblie UI framework for crafting higt ",overflow: TextOverflow.ellipsis,maxLines: 1,),)],),),],);}
}

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原文链接：https://blog.csdn.net/u013600907/article/details/104354969