7 changed files with 202 additions and 76 deletions
@ -0,0 +1,49 @@ |
|||||
|
import 'dart:async'; |
||||
|
import 'package:path/path.dart'; |
||||
|
import 'package:sqflite/sqflite.dart'; |
||||
|
|
||||
|
class DatabaseHelper { |
||||
|
static final DatabaseHelper _instance = DatabaseHelper._internal(); |
||||
|
factory DatabaseHelper() => _instance; |
||||
|
static Database? _database; |
||||
|
|
||||
|
DatabaseHelper._internal(); |
||||
|
|
||||
|
Future<Database> get database async { |
||||
|
if (_database != null) return _database!; |
||||
|
_database = await _initDatabase(); |
||||
|
return _database!; |
||||
|
} |
||||
|
|
||||
|
Future<Database> _initDatabase() async { |
||||
|
String path = join( |
||||
|
await getDatabasesPath(), |
||||
|
'database.db', |
||||
|
); |
||||
|
return await openDatabase(path, version: 1, onCreate: _createDB); |
||||
|
} |
||||
|
|
||||
|
Future<void> _createDB(Database db, int version) async { |
||||
|
final batch = db.batch(); |
||||
|
// 商务会议助手列表 |
||||
|
batch.execute(''' |
||||
|
CREATE TABLE IF NOT EXISTS meeting ( |
||||
|
id INTEGER PRIMARY KEY, |
||||
|
title TEXT, |
||||
|
content TEXT, |
||||
|
seconds INTEGER, |
||||
|
creationtime INTEGER |
||||
|
) |
||||
|
'''); |
||||
|
// 商务会议助手详情内容 |
||||
|
batch.execute(''' |
||||
|
CREATE TABLE IF NOT EXISTS meetingdetails ( |
||||
|
id INTEGER PRIMARY KEY, |
||||
|
meetingid INTEGER, |
||||
|
audio BLOB, |
||||
|
content TEXT |
||||
|
) |
||||
|
'''); |
||||
|
await batch.commit(); |
||||
|
} |
||||
|
} |
||||
@ -0,0 +1,111 @@ |
|||||
|
import 'package:get/get.dart'; |
||||
|
|
||||
|
import 'database_helper.dart'; |
||||
|
|
||||
|
class SqfliteApi { |
||||
|
// 获取商务会议助手列表 |
||||
|
static Future getMeetingList(int page) async { |
||||
|
final db = await DatabaseHelper().database; |
||||
|
return await db.query( |
||||
|
'meeting', |
||||
|
limit: 10, |
||||
|
offset: (page - 1) * 10, |
||||
|
orderBy: 'creationtime DESC', |
||||
|
); |
||||
|
} |
||||
|
|
||||
|
// 获取商务会议助手详情 |
||||
|
static Future getMeetingDetails(id) async { |
||||
|
final db = await DatabaseHelper().database; |
||||
|
List meetingList = |
||||
|
await db.query('meeting', where: 'id = ?', whereArgs: [id]); |
||||
|
List detailsList = await db.query( |
||||
|
'meetingdetails', |
||||
|
where: 'meetingid = ?', |
||||
|
whereArgs: [id], |
||||
|
); |
||||
|
return <String, dynamic>{ |
||||
|
...meetingList.first, |
||||
|
'details': detailsList.first |
||||
|
}; |
||||
|
} |
||||
|
|
||||
|
// 插入商务会议助手 |
||||
|
static Future insertMeeting(Map<String, Object?> meeting) async { |
||||
|
final db = await DatabaseHelper().database; |
||||
|
try { |
||||
|
int id = 0; |
||||
|
await db.transaction((txn) async { |
||||
|
id = await txn.insert('meeting', { |
||||
|
'title': meeting['title'], |
||||
|
'content': meeting['firstContent'], |
||||
|
'seconds': meeting['seconds'], |
||||
|
'creationtime': meeting['creationTime'], |
||||
|
}); |
||||
|
await txn.insert('meetingdetails', { |
||||
|
'meetingid': id, |
||||
|
'audio': meeting['audio'], |
||||
|
'content': meeting['content'], |
||||
|
}); |
||||
|
}); |
||||
|
return id; |
||||
|
} catch (e) { |
||||
|
Get.snackbar( |
||||
|
'error'.tr, // 错误 |
||||
|
'unknownError'.tr, |
||||
|
snackPosition: SnackPosition.TOP, |
||||
|
); |
||||
|
return; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
// 修改商务会议助手 |
||||
|
static Future editMeeting(id, Map<String, Object?> meeting) async { |
||||
|
final db = await DatabaseHelper().database; |
||||
|
try { |
||||
|
await db.transaction((txn) async { |
||||
|
await txn.update( |
||||
|
'meeting', |
||||
|
{ |
||||
|
'title': meeting['title'], |
||||
|
'content': meeting['firstContent'], |
||||
|
'seconds': meeting['seconds'], |
||||
|
}, |
||||
|
where: 'id = ?', |
||||
|
whereArgs: [id], |
||||
|
); |
||||
|
await txn.update( |
||||
|
'meetingdetails', |
||||
|
{'content': meeting['content']}, |
||||
|
where: 'meetingid = ?', |
||||
|
whereArgs: [id], |
||||
|
); |
||||
|
}); |
||||
|
return true; |
||||
|
} catch (e) { |
||||
|
Get.snackbar( |
||||
|
'error'.tr, // 错误 |
||||
|
'unknownError'.tr, |
||||
|
snackPosition: SnackPosition.TOP, |
||||
|
); |
||||
|
return; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
// 修改商务会议助手标题 |
||||
|
static Future editMeetingTitle(id, title) async { |
||||
|
final db = await DatabaseHelper().database; |
||||
|
await db.update('meeting', {'title': title}, |
||||
|
where: 'id = ?', whereArgs: [id]); |
||||
|
} |
||||
|
|
||||
|
// 删除商务会议助手 |
||||
|
static Future deleteMeeting(id) async { |
||||
|
final db = await DatabaseHelper().database; |
||||
|
await db.transaction((txn) async { |
||||
|
await txn.delete('meeting', where: 'id = ?', whereArgs: [id]); |
||||
|
await txn |
||||
|
.delete('meetingdetails', where: 'meetingid = ?', whereArgs: [id]); |
||||
|
}); |
||||
|
} |
||||
|
} |
||||
Loading…
Reference in new issue