代码

src/.idea/dataSources.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
-    <data-source source="LOCAL" name="travelguide" uuid="b0363c3a-7ffd-47d0-b686-86b59585a7f7">
+    <data-source source="LOCAL" name="travelguide" uuid="a84e8ed8-57ec-4250-8841-7f4c909379d5">
       <driver-ref>sqlite.xerial</driver-ref>
       <synchronize>true</synchronize>
       <jdbc-driver>org.sqlite.JDBC</jdbc-driver>

src/lib/main.dart

@@ -8,8 +8,31 @@ import 'package:travelguide/travelguideapp/ui/boundary/collection1.dart';
 import 'package:travelguide/travelguideapp/ui/boundary/collection2.dart';
 import 'package:travelguide/travelguideapp/ui/boundary/collection3.dart';
 import 'package:travelguide/travelguideapp/ui/boundary/collection4.dart';
+import  'package:travelguide/travelguideapp/data/MyDatabase.dart';
+import 'package:path/path.dart';
+import 'dart:async';
+import 'package:sqflite/sqflite.dart';
+void main() async{
+  WidgetsFlutterBinding.ensureInitialized();
 
-void main() {
+  // 初始化数据库
+  final database = await MyDatabase.initDatabase();
+  Future<void> insertSampleData() async {
+    final databasePath = await getDatabasesPath();
+    final path = join(databasePath, 'travelguide.db');
+    final database = await openDatabase(path);
+
+    // 插入示例数据
+    await database.insert('CollectionInfo', {
+      'CollectionID': 0,
+      'MuseumName': '博物馆名称',
+      'CollectionName': '示例藏品',
+      'CollectionDetail': '这是示例藏品的详细描述',
+    });
+
+    await database.close();
+  }
+  insertSampleData();
   runApp(MaterialApp(
     initialRoute: '/', // 设置初始路由
     routes: {

src/lib/travelguideapp/data/MyDatabase.dart

@@ -9,7 +9,7 @@ class MyDatabase {
   static Future<Database> initDatabase() async {
     final databasePath = await getDatabasesPath();
     final path = join(databasePath, 'travelguide.db');
-
+print(databasePath);
     // 打开数据库连接
     //onCreate表示只有如果数据库版本发生变化，将会触发 onCreate 回调
     final database =
@@ -106,7 +106,7 @@ class MyDatabase {
           CollectionDetail TEXT NOT NULL
       );
     ''');
-    // print("userstable create success");
+     print("userstable create success");
   }
 
 
@@ -126,6 +126,7 @@ class MyDatabase {
       await txn.execute('DROP TABLE IF EXISTS teams');
       await txn.execute('DROP TABLE IF EXISTS userteams');
     });
+
   }
 
   static Future<void> reBuildDatabase() async {

src/lib/travelguideapp/ui/boundary/CollectionEditPage.dart

@@ -8,7 +8,7 @@ class CollectionEditPage extends StatefulWidget {
 }
 
 class _CollectionEditPageState extends State<CollectionEditPage> {
-  List<Map<String, dynamic>> collections = []; // 存储数据库查询结果
+  List<Map<String, dynamic>> collections = [];
 
   @override
   void initState() {
@@ -18,8 +18,9 @@ class _CollectionEditPageState extends State<CollectionEditPage> {
 
   Future<void> _loadCollectionsFromDatabase() async {
     final databasePath = await getDatabasesPath();
-    print(databasePath);
-    final database = await openDatabase(join(databasePath, 'travelguide.db'));
+    final path = join(databasePath, 'travelguide.db');
+
+    final database = await openDatabase(path);
 
     // 查询CollectionInfo表中的数据
     final result = await database.query('CollectionInfo');
@@ -47,7 +48,6 @@ class _CollectionEditPageState extends State<CollectionEditPage> {
 
           return ListTile(
             title: Text('CollectionID: $collectionID'),
-
             subtitle: Text('CollectionName: $collectionName'),
           );
         },