LingandRX
083b4e506a
- 在 DetailItemScreen 中添加删除物品的按钮和确认对话框 - 在 ItemProvider 中实现删除物品的方法 - 在 ItemRepository 中实现删除物品的数据库操作 - 在 ItemModel 中添加 status 字段，用于标记物品状态
73 lines
2.6 KiB
Dart
73 lines
2.6 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:item_tracker/models/item_model.dart';
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import 'package:provider/provider.dart';
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import '../../provider/item_provider.dart';
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class DetailItemScreen extends StatelessWidget {
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final Item item;
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DetailItemScreen({required this.item});
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text('${item.name}'),
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),
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body: Padding(
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padding: EdgeInsets.all(16.0),
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child:
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Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Text('名称: ${item.toMap().toString()}'),
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Text('描述: ${item.description}'),
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ElevatedButton(
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Text("删除"),
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),
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onPressed: () {
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showCupertinoDialog(
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context: context,
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builder: (context) {
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return CupertinoAlertDialog(
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title: Text('提示'),
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content: Text('确定要删除吗？'),
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actions: [
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CupertinoDialogAction(
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child: Text('取消'),
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onPressed: () {
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Navigator.pop(context);
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},
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),
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CupertinoDialogAction(
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child: Text('确定'),
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onPressed: () {
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Provider.of<ItemProvider>(context,
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listen: false)
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.deleteItem(item);
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// 弹窗提示删除成功
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(
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content: Text('删除成功'),
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duration: Duration(seconds: 1),
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));
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Navigator.pop(context);
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Navigator.pop(context);
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})
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]);
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});
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},
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style: ElevatedButton.styleFrom(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8.0),
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),
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elevation: 4.0,
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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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