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网站备案需要原件吗,软件技术有学做网站吗,网站建设视频l,晚上必看的正能量直播app效果图说明#xff1a;版本1的中心水果图片只是简单的排列#xff0c;这个版本是让图片进行两两交叠实现步骤1.构建网格子项Widget _buildInAudioItem({required String name,required ListString images, //用列表接收图片required VoidCallback onTap,double image…效果图说明版本1的中心水果图片只是简单的排列这个版本是让图片进行两两交叠实现步骤1.构建网格子项Widget _buildInAudioItem({ required String name, required ListString images, //用列表接收图片 required VoidCallback onTap, double imageSize 40, }) { return Column( mainAxisSize: MainAxisSize.min, children: [ GestureDetector( onTap: onTap, child: Container( height: 150, width: 155, decoration: BoxDecoration( color: Color(0xFF1B1D2E), borderRadius: BorderRadius.circular(10), ), child: Center( child: _buildImageLayout(images, imageSize: imageSize), //传递图片和图片尺寸 ), ), ), SizedBox(height: 8), Container( height: 30, child: Text( name, style: TextStyle(color: Colors.white, fontSize: 12), textAlign: TextAlign.center, maxLines: 2, overflow: TextOverflow.ellipsis, ), ), ], ); }2.构建图片布局 ******Widget _buildImageLayout(ListString images, {double imageSize 40}) { int count images.length; //图片个数 if (count 1) { // 单个图片居中显示 return Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[0], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ); } else if (count 2) { // 两个图片交叠显示 double overlap imageSize * 0.2; // 交叠宽度 double totalWidth imageSize * 2 - overlap; return Container( width: totalWidth, child: Stack( children: [ // 第一个图片在左边 Positioned( top: 55, left: 0, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[0], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), // 第二个图片在右边交叠一部分 Positioned( top: 55, left: imageSize - overlap, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[1], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), ], ), ); } else if (count 3) { // 三个图片交叠显示 double overlap imageSize * 0.2; // 交叠宽度 double totalWidth imageSize (imageSize - overlap) * 2; return Container( width: totalWidth, child: Stack( children: [ // 第一个图片在最左边 Positioned( top:55, left: 0, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[0], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), // 第二个图片在中间 Positioned( top:55, left: imageSize - overlap, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[1], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), // 第三个图片在最右边 Positioned( top:55, left: (imageSize - overlap) * 2, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[2], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), ], ), ); } return SizedBox.shrink(); } }3.使用子项构建表格Widget buildInAudioList() { return Padding( padding: EdgeInsets.symmetric(horizontal: 10, vertical: 40), child: GridView.count( crossAxisCount: 2, crossAxisSpacing: 15, mainAxisSpacing: 5, childAspectRatio: 155 / 180, shrinkWrap: true, children: [ _buildInAudioItem( name: 苹果, images: [assets/images/apple.png], onTap: () print(点击苹果), ), _buildInAudioItem( name: 苹果香蕉, images: [assets/images/apple.png, assets/images/banana.png], onTap: () print(点击苹果香蕉), ), _buildInAudioItem( name: 苹果、香蕉、樱桃, images: [assets/images/apple.png, assets/images/banana.png, assets/images/cherry.png], onTap: () print(点击苹果、香蕉、樱桃), ), _buildInAudioItem( name: 苹果, images: [assets/images/apple.png], onTap: () print(苹果), ), ], ), ); }代码实例import package:flutter/cupertino.dart; import package:flutter/material.dart; class DemoPage extends StatefulWidget { const DemoPage({super.key}); override StateDemoPage createState() _DemoPageState(); } class _DemoPageState extends StateDemoPage { override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.transparent, body: Container( width: double.infinity, height: double.infinity, decoration: const BoxDecoration( gradient: LinearGradient( begin: Alignment.topCenter, end: Alignment.bottomCenter, colors: [ Color(0xFF060618), Color(0xFF070A23), ], ), ), child: buildInAudioList(), ), ); } Widget buildInAudioList() { return Padding( padding: EdgeInsets.symmetric(horizontal: 10, vertical: 40), child: GridView.count( crossAxisCount: 2, crossAxisSpacing: 15, mainAxisSpacing: 5, childAspectRatio: 155 / 180, shrinkWrap: true, children: [ _buildInAudioItem( name: 苹果, images: [assets/images/apple.png], onTap: () print(点击苹果), ), _buildInAudioItem( name: 苹果香蕉, images: [assets/images/apple.png, assets/images/banana.png], onTap: () print(点击苹果香蕉), ), _buildInAudioItem( name: 苹果、香蕉、樱桃, images: [assets/images/apple.png, assets/images/banana.png, assets/images/cherry.png], onTap: () print(点击苹果、香蕉、樱桃), ), _buildInAudioItem( name: 苹果, images: [assets/images/apple.png], onTap: () print(苹果), ), ], ), ); } // 网格子项 Widget _buildInAudioItem({ required String name, required ListString images, //用列表接收图片 required VoidCallback onTap, double imageSize 40, }) { return Column( mainAxisSize: MainAxisSize.min, children: [ GestureDetector( onTap: onTap, child: Container( height: 150, width: 155, decoration: BoxDecoration( color: Color(0xFF1B1D2E), borderRadius: BorderRadius.circular(10), ), child: Center( child: _buildImageLayout(images, imageSize: imageSize), //传递图片和图片尺寸 ), ), ), SizedBox(height: 8), Container( height: 30, child: Text( name, style: TextStyle(color: Colors.white, fontSize: 12), textAlign: TextAlign.center, maxLines: 2, overflow: TextOverflow.ellipsis, ), ), ], ); } // 构建图片布局 Widget _buildImageLayout(ListString images, {double imageSize 40}) { int count images.length; //图片个数 if (count 1) { // 单个图片居中显示 return Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[0], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ); } else if (count 2) { // 两个图片交叠显示 double overlap imageSize * 0.2; // 交叠宽度 double totalWidth imageSize * 2 - overlap; return Container( width: totalWidth, child: Stack( children: [ // 第一个图片在左边 Positioned( top: 55, left: 0, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[0], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), // 第二个图片在右边交叠一部分 Positioned( top: 55, left: imageSize - overlap, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[1], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), ], ), ); } else if (count 3) { // 三个图片交叠显示 double overlap imageSize * 0.2; // 交叠宽度 double totalWidth imageSize (imageSize - overlap) * 2; return Container( width: totalWidth, child: Stack( children: [ // 第一个图片在最左边 Positioned( top:55, left: 0, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[0], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), // 第二个图片在中间 Positioned( top:55, left: imageSize - overlap, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[1], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), // 第三个图片在最右边 Positioned( top:55, left: (imageSize - overlap) * 2, child: Container( height: imageSize, width: imageSize, decoration: BoxDecoration( color: Color(0xFF55596D).withOpacity(0.8), borderRadius: BorderRadius.circular(imageSize / 2), ), child: Center( child: Image.asset( images[2], width: imageSize * 0.5, height: imageSize * 0.5, ), ), ), ), ], ), ); } return SizedBox.shrink(); } }