49 lines
1.4 KiB
Dart
49 lines
1.4 KiB
Dart
import 'package:peach/config/_.dart';
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import 'package:peach/entity/_.dart';
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import 'package:peach/db/SQLite.dart';
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import 'package:peach/service/_.dart';
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class ClassService {
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static String tableNamePrincipal = "Principal"; // 默认菜单
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static String tableNameAdditional = "Additional";// 可选菜单
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/// 向指定表插入List数据
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static Future<void> addList(String tableName, List<Principal> res) async {
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List<Map<String, dynamic>> data = await ClassService.findAll(tableName);
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// 如果表中没有数据，执行插入
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if (data.isEmpty) {
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var _db = await SQLite().db;
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res.forEach((e) async {
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await _db.insert(tableName, e.toJson());
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});
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}
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}
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/// 查询指定表中菜单数据
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static Future<List<Map<String, dynamic>>> findAll(String tableName) async {
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var _db = await await SQLite().db;
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List<Map<String, dynamic>> result = await _db.query(tableName, orderBy: "id DESC");
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return result.isNotEmpty
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? result
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: [];
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}
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/// 添加菜单到指定表
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static Future<int> add({ String tableName , Principal item }) async {
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var _db = await SQLite().db;
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return await _db.insert(tableName, item.toJson());
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}
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/// 从指定表删除菜单
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static Future<int> delete({ String tableName , Principal item }) async {
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var _db = await await SQLite().db;
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return await _db.delete(
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tableName,
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where: 'id = ?',
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whereArgs: [item.id]
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);
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}
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}
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