42 lines
1.3 KiB
Dart
42 lines
1.3 KiB
Dart
import 'package:dio/dio.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../core/network/api_exception.dart';
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import '../core/network/dio_client.dart';
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import '../models/ocr_result.dart';
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final ocrApiProvider = Provider<OcrApi>((ref) => OcrApi(ref.watch(dioProvider)));
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class OcrApi {
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final Dio _dio;
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OcrApi(this._dio);
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/// 上传图片识别账单，字段名固定为 file（与 uniApp upload 对齐）。
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/// 后端可能返回裸数组或 {code, data:[...]}，两种都兼容。
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Future<List<OcrResult>> recognize(String filePath) async {
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try {
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final formData = FormData.fromMap({
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'file': await MultipartFile.fromFile(filePath, filename: 'receipt.jpg'),
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});
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final res = await _dio.post('/ocr/recognize', data: formData);
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final data = res.data;
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List<dynamic> list;
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if (data is List) {
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list = data;
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} else if (data is Map && data['data'] is List) {
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list = data['data'] as List;
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} else {
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throw ApiException(-1, '未识别到账单信息');
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}
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return list
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.whereType<Map<String, dynamic>>()
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.map(OcrResult.fromJson)
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.toList();
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} on DioException catch (e) {
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final err = e.error;
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throw err is ApiException ? err : ApiException(-1, '识别失败，请重试');
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}
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}
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}
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