feat: 库存 XLS 导入功能（后端接口 + 前端导入按钮）

2026-05-19 00:22:17 +08:00
parent b243ad885f
commit 7ac06a409d
4 changed files with 190 additions and 0 deletions
@@ -1,9 +1,13 @@
 import 'dart:async';
+import 'package:dio/dio.dart';
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
+import '../../core/config/app_config.dart';
 import '../../core/theme/app_theme.dart';
 import '../../models/inventory.dart';
+import '../../core/auth/auth_state.dart';
 import '../../providers/inventory_provider.dart';
 import '../../widgets/data_table_card.dart';
 import '../../widgets/multi_select_dropdown.dart' show FilterableColumnHeader;
@@ -37,6 +41,55 @@ class _InventoryListScreenState extends ConsumerState<InventoryListScreen> {
    });
  }

+  Future<void> _importInventory(BuildContext context, WidgetRef ref) async {
+    final result = await FilePicker.platform.pickFiles(
+      type: FileType.custom,
+      allowedExtensions: ['xls', 'xlsx'],
+      withData: true,
+    );
+    if (result == null || result.files.isEmpty) return;
+    final file = result.files.first;
+    final bytes = file.bytes;
+    if (bytes == null) return;
+
+    final token = ref.read(authStateProvider).user?.accessToken ?? '';
+    final dio = Dio(BaseOptions(baseUrl: AppConfig.apiBaseUrl));
+    dio.options.headers['Authorization'] = 'Bearer $token';
+
+    if (!context.mounted) return;
+    ScaffoldMessenger.of(context).showSnackBar(
+      const SnackBar(content: Text('导入中，请稍候...'), duration: Duration(seconds: 60)),
+    );
+
+    try {
+      final formData = FormData.fromMap({
+        'file': MultipartFile.fromBytes(bytes, filename: file.name),
+      });
+      final resp = await dio.post('/import/inventory', data: formData);
+      final data = resp.data as Map<String, dynamic>;
+      final imported = data['imported'] ?? 0;
+      final skipped = data['skipped'] ?? 0;
+      final errors = (data['errors'] as List?)?.cast<String>() ?? [];
+
+      if (!context.mounted) return;
+      ScaffoldMessenger.of(context).hideCurrentSnackBar();
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+        content: Text('导入完成：$imported 条成功，$skipped 条跳过${errors.isNotEmpty ? '，${errors.length} 条失败' : ''}'),
+        backgroundColor: errors.isEmpty ? Colors.green : AppTheme.accent,
+        duration: const Duration(seconds: 4),
+      ));
+      ref.read(inventoryListProvider.notifier).reload();
+    } on DioException catch (e) {
+      final msg = (e.response?.data is Map ? e.response!.data['error'] : null) ?? e.message ?? '未知错误';
+      if (!context.mounted) return;
+      ScaffoldMessenger.of(context).hideCurrentSnackBar();
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+        content: Text('导入失败：$msg'),
+        backgroundColor: AppTheme.danger,
+      ));
+    }
+  }
+
  @override
  Widget build(BuildContext context) {
    return PageScaffold(
@@ -144,6 +197,12 @@ class _InventoryListScreenState extends ConsumerState<InventoryListScreen> {
                      label: const Text('发起盘点'),
                    ),
                    const SizedBox(width: 8),
+                    OutlinedButton.icon(
+                      onPressed: () => _importInventory(context, ref),
+                      icon: const Icon(Icons.upload_file, size: 16),
+                      label: const Text('导入库存'),
+                    ),
+                    const SizedBox(width: 8),
                    OutlinedButton.icon(
                      onPressed: () => exportExcel(
                        filename: '库存查询',
@@ -1449,6 +1449,8 @@ class _BatchImportWidgetState extends ConsumerState<_BatchImportWidget> {
        '格式：选项编号 | 选项名称 | 备注'),
    _ImportSlot('商品规格', '/import/product-specs',
        '格式：选项编号 | 选项名称 | 单品数量 | 备注'),
+    _ImportSlot('库存', '/import/inventory',
+        '格式：商品编号|商品名称|系列|规格|单位|库存数量|单价|金额|生产日期|批次|分类|所在仓库|入库日期|供应商|上次盘点|备注'),
  ];

  @override