Image.network("ss2.baidu.com/6ONYsjip0QI…: 100,height: 180,),
Image.network("ss2.baidu.com/6ONYsjip0QI…: 100,height: 180,),
Image.network("ss2.baidu.com/6ONYsjip0QI…: 100,height: 180,),
Image.network("ss1.baidu.com/6ONXsjip0QI…: 100,height: 180,),
Image.network("ss1.baidu.com/6ONXsjip0QI…: 100,height: 180,),
Image.network("ss1.baidu.com/6ONXsjip0QI…: 100,height: 180,),
Image.network("ss1.baidu.com/6ONXsjip0QI…: 100,height: 180,),
],
),
)
);
}
}
2.解释源代码
import 'package:flutter/material.dart';
void main () => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
backgroundColor: Colors.green,
appBar: AppBar(title: Text("GridView"),),
body: GridView(
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
//横轴子元素的数量
crossAxisCount: 3,
//子元素在横轴长度和主轴长度的比例
childAspectRatio: 1,
//主轴方向的间距
mainAxisSpacing: 5,
//横轴方向子元素的间距
crossAxisSpacing: 5,
),
children: [
Image.network("ss2.baidu.com/6ONYsjip0QI…: 100,height: 180,),
Image.network("ss2.baidu.com/6ONYsjip0QI…: 100,height: 180,),
Image.network("ss2.baidu.com/6ONYsjip0QI…: 100,height: 180,),
Image.network("ss1.baidu.com/6ONXsjip0QI…: 100,height: 180,),
Image.network("ss1.baidu.com/6ONXsjip0QI…: 100,height: 180,),
Image.network("ss1.baidu.com/6ONXsjip0QI…: 100,height: 180,),
Image.network("ss1.baidu.com/6ONXsjip0QI…: 100,height: 180,),
],
),
)
);
}
}
