generated from dellevin/template
基础功能
This commit is contained in:
DelLevin-Home
237
lib/widgets/book_list_item.dart
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237
lib/widgets/book_list_item.dart
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../providers/app_provider.dart';
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import '../models/data_models.dart';
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import '../utils/app_theme.dart';
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/// 书籍列表项组件
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class BookListItem extends StatelessWidget {
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final Book book;
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const BookListItem({super.key, required this.book});
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@override
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Widget build(BuildContext context) {
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return Card(
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margin: const EdgeInsets.only(bottom: 12),
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child: InkWell(
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onTap: () {
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// 跳转到详情页
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Navigator.pushNamed(context, '/book-detail', arguments: book);
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},
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borderRadius: BorderRadius.circular(12),
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 封面占位图
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_buildCover(),
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const SizedBox(width: 12),
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// 书籍信息
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 标题
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Text(
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book.title,
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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if (book.author != null) ...[
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const SizedBox(height: 4),
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Text(
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book.author!,
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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],
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const SizedBox(height: 8),
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// 评分和状态
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Row(
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children: [
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if (book.rating != null) ...[
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Icon(
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Icons.star,
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size: 16,
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color: Colors.amber[700],
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),
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const SizedBox(width: 4),
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Text(
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book.rating.toString(),
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.bold,
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color: Colors.amber[700],
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),
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),
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const SizedBox(width: 12),
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],
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// 状态标签
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_buildStatusTag(context),
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],
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),
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if (book.readDate != null) ...[
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const SizedBox(height: 6),
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Text(
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'阅读日期：${_formatDate(book.readDate!)}',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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],
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if (book.note != null && book.note!.isNotEmpty) ...[
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const SizedBox(height: 6),
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Text(
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book.note!,
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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],
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],
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),
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),
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// 右侧操作按钮
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Column(
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children: [
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IconButton(
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icon: const Icon(Icons.edit, size: 20),
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onPressed: () {
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Navigator.pushNamed(context, '/book-form', arguments: book);
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},
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(),
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),
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IconButton(
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icon: const Icon(Icons.delete_outline, size: 20),
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color: Colors.red,
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onPressed: () => _showDeleteDialog(context, book),
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(),
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),
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],
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),
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],
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),
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),
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),
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);
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}
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/// 构建封面占位图
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Widget _buildCover() {
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return Container(
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width: 60,
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height: 90,
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decoration: BoxDecoration(
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color: Colors.grey[300],
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borderRadius: BorderRadius.circular(8),
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),
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child: Icon(
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Icons.menu_book,
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color: Colors.grey[500],
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size: 32,
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),
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);
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}
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/// 构建状态标签
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Widget _buildStatusTag(BuildContext context) {
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Color statusColor;
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String statusText;
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switch (book.status) {
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case 'read':
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statusColor = AppTheme.readColor;
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statusText = '读完';
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break;
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case 'reading':
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statusColor = AppTheme.readingColor;
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statusText = '在读';
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break;
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case 'want_to_read':
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statusColor = AppTheme.wantToReadColor;
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statusText = '准备读';
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break;
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default:
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statusColor = Colors.grey;
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statusText = '未知';
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}
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
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decoration: BoxDecoration(
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color: statusColor.withOpacity(0.1),
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borderRadius: BorderRadius.circular(4),
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border: Border.all(
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color: statusColor,
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width: 1,
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),
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),
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child: Text(
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statusText,
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style: TextStyle(
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fontSize: 11,
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color: statusColor,
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fontWeight: FontWeight.bold,
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),
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),
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);
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}
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/// 格式化日期
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String _formatDate(DateTime date) {
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return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
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}
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/// 显示删除对话框
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void _showDeleteDialog(BuildContext context, Book book) {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('确认删除'),
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content: Text('确定要删除"${book.title}"吗？此操作不可恢复。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('取消'),
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),
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TextButton(
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onPressed: () async {
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await context.read<AppProvider>().removeBook(book.id);
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if (!context.mounted) return;
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Navigator.pop(context);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('已删除'),
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behavior: SnackBarBehavior.floating,
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),
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);
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},
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child: const Text(
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'删除',
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style: TextStyle(color: Colors.red),
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),
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),
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],
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),
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);
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}
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}
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