完善导入功能

lib/data/data_source.dart

@@ -104,7 +104,7 @@ abstract class DataSource {
   Future<BatchDeleteResult> batchDeleteAccountItems(List<String> itemIds);
 
   /// 导入数据
-  Future<void> importData({
+  Future<Map<String, dynamic>> importData({
     required String accountBookId,
     required String dataSource,
     required PlatformFile file,

lib/data/http/http_client.dart

@@ -55,7 +55,7 @@ class HttpClient {
   void setToken(String token) {
     _token = token;
     print('HttpClient setToken: $token');
-    
+
     _dio.options.headers = {
       ..._dio.options.headers,
       'Authorization': 'Bearer $token',
@@ -78,14 +78,18 @@ class HttpClient {
     try {
       print('Request path: $path');
       print('Request data: $data');
+      print('Request options: ${options?.headers}');
+      final contentType =
+          options?.headers?['Content-Type'] ?? 'application/json';
+      print('Request options: $contentType');
       final response = await _dio.request<Map<String, dynamic>>(
         path,
         queryParameters: queryParameters,
         data: data,
-        options: options ?? Options(
+        options: Options(
           method: method.value,
           headers: {
-            'Content-Type': 'application/json',
+            'Content-Type': contentType,
             if (_token != null) 'Authorization': 'Bearer $_token',
           },
         ),

lib/data/http/http_data_source.dart

@@ -12,6 +12,7 @@ import 'api_endpoints.dart';
 import 'http_client.dart';
 import '../../constants/storage_keys.dart';
 import 'package:intl/intl.dart';
+import 'package:http_parser/http_parser.dart';
 
 class HttpDataSource implements DataSource {
   final HttpClient _httpClient;
@@ -497,26 +498,42 @@ class HttpDataSource implements DataSource {
   }
 
   @override
-  Future<void> importData({
+  Future<Map<String, dynamic>> importData({
     required String accountBookId,
     required String dataSource,
     required PlatformFile file,
   }) async {
     try {
-      final formData = FormData.fromMap({
-        'accountBookId': accountBookId,
-        'dataSource': dataSource,
-        'file': await MultipartFile.fromFile(
-          file.path!,
-          filename: file.name,
+      final formData = FormData();
+      formData.fields.addAll([
+        MapEntry('accountBookId', accountBookId),
+        MapEntry('dataSource', dataSource),
+      ]);
+      formData.files.add(
+        MapEntry(
+          'file',
+          await MultipartFile.fromFile(
+            file.path!,
+            filename: file.name,
+            contentType: MediaType('text', 'csv'),
+          ),
         ),
-      });
+      );
 
-      await _httpClient.request<void>(
+      final response = await _httpClient.request<Map<String, dynamic>>(
         path: '/api/import',
         method: HttpMethod.post,
         data: formData,
+        options: Options(
+          headers: {
+            'Content-Type': 'multipart/form-data',
+          },
+          responseType: ResponseType.json,
+          sendTimeout: const Duration(minutes: 2),
+          receiveTimeout: const Duration(minutes: 2),
+        ),
       );
+      return response;
     } on DioException catch (e) {
       throw _handleDioError(e);
     }

lib/data/sqlite/sqlite_data_source.dart

@@ -1,3 +1,5 @@
+import 'package:file_picker/src/platform_file.dart';
+
 import '../../models/account_item_request.dart';
 import '../../models/server_status.dart';
 import '../../services/api_service.dart';
@@ -524,10 +526,10 @@ class SqliteDataSource implements DataSource {
   }
 
   @override
-  Future<void> importData(
+  Future<Map<String, dynamic>> importData(
       {required String accountBookId,
       required String dataSource,
-      required file}) {
+      required PlatformFile file}) {
     // TODO: implement importData
     throw UnimplementedError();
   }

lib/generated/app_localizations.dart

@@ -1931,6 +1931,18 @@ abstract class AppLocalizations {
   /// In en, this message translates to:
   /// **'Select Account Book'**
   String get selectBook;
+
+  /// No description provided for @importSuccessCount.
+  ///
+  /// In en, this message translates to:
+  /// **'Successfully imported {count} records'**
+  String importSuccessCount(String count);
+
+  /// No description provided for @importErrors.
+  ///
+  /// In en, this message translates to:
+  /// **'The following errors occurred during import:'**
+  String get importErrors;
 }
 
 class _AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {

lib/generated/app_localizations_en.dart

@@ -974,4 +974,12 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get selectBook => 'Select Account Book';
+
+  @override
+  String importSuccessCount(String count) {
+    return 'Successfully imported $count records';
+  }
+
+  @override
+  String get importErrors => 'The following errors occurred during import:';
 }

lib/generated/app_localizations_zh.dart

@@ -395,7 +395,7 @@ class AppLocalizationsZh extends AppLocalizations {
   String get accountName => '账户名称';
 
   @override
-  String get accountRemark => '账户备���';
+  String get accountRemark => '账户备注';
 
   @override
   String get currentBalance => '当前余额';
@@ -502,7 +502,7 @@ class AppLocalizationsZh extends AppLocalizations {
   }
 
   @override
-  String get permViewBook => '查看账本';
+  String get permViewBook => '查看���本';
 
   @override
   String get permEditBook => '编辑账本';
@@ -901,7 +901,7 @@ class AppLocalizationsZh extends AppLocalizations {
   String get serverCheckFailed => '服务器检测失败';
 
   @override
-  String get serverCheckFailedMessage => '无法连接到服务器，请检查网络连接后重试。';
+  String get serverCheckFailedMessage => '无法连接到服务��，请检查网络连接后重试。';
 
   @override
   String get backToLogin => '返回登录';
@@ -974,6 +974,14 @@ class AppLocalizationsZh extends AppLocalizations {
 
   @override
   String get selectBook => '选择账本';
+
+  @override
+  String importSuccessCount(String count) {
+    return '成功导入 $count 条记录';
+  }
+
+  @override
+  String get importErrors => '导入过程中出现以下错误：';
 }
 
 /// The translations for Chinese, using the Han script (`zh_Hant`).

lib/l10n/app_en.arb

@@ -350,5 +350,14 @@
   "selectFile": "Select File",
   "importFieldsRequired": "Please fill in all required fields",
   "importSuccess": "Import successful",
-  "selectBook": "Select Account Book"
+  "selectBook": "Select Account Book",
+  "importSuccessCount": "Successfully imported {count} records",
+  "@importSuccessCount": {
+    "placeholders": {
+      "count": {
+        "type": "String"
+      }
+    }
+  },
+  "importErrors": "The following errors occurred during import:"
 }

lib/l10n/app_zh.arb

@@ -136,7 +136,7 @@
   "unknown": "未知",
   "basicInfo": "基本信息",
   "accountName": "账户名称",
-  "accountRemark": "账户备���",
+  "accountRemark": "账户备注",
   "currentBalance": "当前余额",
   "pleaseInputAccountName": "请输入账户名称",
   "fundIncome": "收入",
@@ -169,7 +169,7 @@
   "memberAlreadyExists": "该用户已经是成员",
   "addMemberSuccess": "成员添加成功",
   "addMemberFailed": "添加成员失败：{error}",
-  "permViewBook": "查看账本",
+  "permViewBook": "查看���本",
   "permEditBook": "编辑账本",
   "permDeleteBook": "删除账本",
   "permViewItem": "查看账目",
@@ -304,7 +304,7 @@
   },
   "checkingServerStatus": "正在检测服务器状态...",
   "serverCheckFailed": "服务器检测失败",
-  "serverCheckFailedMessage": "无法连接到服务器，请检查网络连接后重试。",
+  "serverCheckFailedMessage": "无法连接到服务��，请检查网络连接后重试。",
   "backToLogin": "返回登录",
   "retry": "重试",
   "about": "关于",
@@ -328,5 +328,14 @@
   "selectFile": "选择文件",
   "importFieldsRequired": "请填写所有必填字段",
   "importSuccess": "导入成功",
-  "selectBook": "选择账本"
+  "selectBook": "选择账本",
+  "importSuccessCount": "成功导入 {count} 条记录",
+  "@importSuccessCount": {
+    "placeholders": {
+      "count": {
+        "type": "String"
+      }
+    }
+  },
+  "importErrors": "导入过程中出现以下错误："
 }