ocr识别，历史新增类型

ln_jq_app/lib/pages/b_page/history/controller.dart

@@ -1,7 +1,4 @@
-import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
 import 'package:getx_scaffold/getx_scaffold.dart';
-import 'package:intl/intl.dart';
 import 'package:ln_jq_app/common/model/base_model.dart';
 import 'package:ln_jq_app/pages/b_page/site/controller.dart'; // Reuse ReservationModel
 
@@ -25,12 +22,14 @@ class HistoryController extends GetxController with BaseControllerMixin {
   final RxBool hasData = false.obs;
 
   String get formattedStartDate => DateFormat('yyyy/MM/dd').format(startDate.value);
+
   String get formattedEndDate => DateFormat('yyyy/MM/dd').format(endDate.value);
 
   String stationName = "";
 
   final Map<String, String> statusOptions = {
     '': '全部',
+    '100': '未预约加氢',
     '0': '待加氢',
     '1': '已加氢',
     '2': '未加氢',

ln_jq_app/lib/pages/b_page/site/controller.dart

@@ -1,16 +1,15 @@
 import 'dart:async';
 import 'dart:io';
 
-import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:getx_scaffold/getx_scaffold.dart' as dio;
 import 'package:getx_scaffold/getx_scaffold.dart';
 import 'package:image_gallery_saver/image_gallery_saver.dart';
-import 'package:ln_jq_app/common/login_util.dart';
+import 'package:image_picker/image_picker.dart';
 import 'package:ln_jq_app/common/model/base_model.dart';
 import 'package:ln_jq_app/common/styles/theme.dart';
 import 'package:ln_jq_app/storage_service.dart';
-import 'package:permission_handler/permission_handler.dart';
 import 'package:photo_view/photo_view.dart';
 import 'package:photo_view/photo_view_gallery.dart';
 import 'package:pull_to_refresh/pull_to_refresh.dart';
@@ -182,6 +181,8 @@ class SiteController extends GetxController with BaseControllerMixin {
 
   // 加氢枪列表
   final RxList<String> gasGunList = <String>[].obs;
+  final RxMap<String, Map<String, dynamic>> gasGunMap =
+      <String, Map<String, dynamic>>{}.obs;
 
   @override
   bool get listenLifecycleEvent => true;
@@ -229,11 +230,9 @@ class SiteController extends GetxController with BaseControllerMixin {
     }
   }
 
+  /// 创建一个每5分钟执行一次的周期性定时器
   void startAutoRefresh() {
-    // 先停止已存在的定时器，防止重复启动
     stopAutoRefresh();
-
-    // 创建一个每5分钟执行一次的周期性定时器
     _refreshTimer = Timer.periodic(const Duration(minutes: 5), (timer) {
       renderData();
     });
@@ -241,12 +240,10 @@ class SiteController extends GetxController with BaseControllerMixin {
 
   void onRefresh() => renderData(isRefresh: true);
 
-  ///停止定时器的方法
+  ///停止定时器
   void stopAutoRefresh() {
-    // 如果定时器存在并且是激活状态，就取消它
     _refreshTimer?.cancel();
-    _refreshTimer = null; // 置为null，方便判断
+    _refreshTimer = null;
-    print("【自动刷新】定时器已停止。");
   }
 
   /// 获取加氢枪列表
@@ -259,7 +256,17 @@ class SiteController extends GetxController with BaseControllerMixin {
         final result = BaseModel<dynamic>.fromJson(response.data);
         if (result.code == 0 && result.data != null) {
           List dataList = result.data as List;
-          gasGunList.assignAll(dataList.map((e) => e['deviceName'].toString()).toList());
+
+          gasGunList.clear();
+          gasGunMap.clear();
+
+          for (var item in dataList) {
+            String name = item['deviceName'].toString();
+            // 将名称加入列表供 Dropdown/Picker 使用
+            gasGunList.add(name);
+            // 将完整对象存入 Map，方便后续通过 name 获取 sign
+            gasGunMap[name] = Map<String, dynamic>.from(item);
+          }
         }
       }
     } catch (e) {
@@ -327,14 +334,20 @@ class SiteController extends GetxController with BaseControllerMixin {
     }
   }
 
-  /// 确认预约弹窗重构
+  /// 确认预约弹窗
   Future<void> confirmReservation(
     String id, {
     bool isEdit = false,
     bool isAdd = false,
   }) async {
     ReservationModel item;
-    if (isAdd) {
+    //处理是否是无预约车辆加氢数据
+    if (!isAdd) {
+      item = reservationList.firstWhere(
+        (item) => item.id == id,
+        orElse: () => throw Exception('Reservation not found'),
+      );
+    } else {
       // 如果是无预约车辆加氢，创建一个临时 model
       item = ReservationModel(
         id: "",
@@ -364,13 +377,13 @@ class SiteController extends GetxController with BaseControllerMixin {
         drivingAttachments: [],
         hydrogenationAttachments: [],
       );
-    } else {
-      item = reservationList.firstWhere(
-        (item) => item.id == id,
-        orElse: () => throw Exception('Reservation not found'),
-      );
     }
 
+    //车牌输入
+    final TextEditingController plateController = TextEditingController(
+      text: item.plateNumber == "---" ? "" : item.plateNumber,
+    );
+
     // 加氢量保留3位小数
     double initialAmount = double.tryParse(item.hydAmount) ?? 0.0;
     final TextEditingController amountController = TextEditingController(
@@ -382,6 +395,7 @@ class SiteController extends GetxController with BaseControllerMixin {
 
     Get.dialog(
       Dialog(
+        insetPadding: EdgeInsets.only(left: 20.w, right: 20.w),
         shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
         child: SingleChildScrollView(
           child: Padding(
@@ -399,19 +413,38 @@ class SiteController extends GetxController with BaseControllerMixin {
                 // 车牌号及标签
                 Row(
                   children: [
-                    Text(
+                    Container(
-                      item.plateNumber == "---" ? '-------' : item.plateNumber,
+                      width: 80.w,
+                      child: TextField(
+                        controller: plateController,
                         style: TextStyle(
-                        fontSize: 16.sp,
+                          color: const Color.fromRGBO(51, 51, 51, 1),
-                        fontWeight: FontWeight.w500,
+                          fontSize: 14.sp,
-                        color: item.plateNumber == "---" ? Colors.grey : Colors.black,
+                          fontWeight: FontWeight.bold,
-                        letterSpacing: item.plateNumber == "---" ? 2 : 0,
+                        ),
+                        decoration: InputDecoration(
+                          hintText: item.plateNumber == "---" ? '_ _ _ _ _ _' : '修正车牌',
+                          hintStyle: TextStyle(
+                            color: const Color.fromRGBO(51, 51, 51, 1),
+                            fontSize: 13.sp,
+                          ),
+                          border: InputBorder.none,
+                          isDense: true,
+                          contentPadding: EdgeInsets.zero,
+                        ),
                       ),
                     ),
                     const SizedBox(width: 8),
                     isEdit
                         ? SizedBox()
-                        : Container(
+                        : GestureDetector(
+                            onTap: () async {
+                              String? temp = await takePhotoAndRecognize(true);
+                              if (temp != null && temp.isNotEmpty) {
+                                plateController.text = temp;
+                              }
+                            },
+                            child: Container(
                               padding: const EdgeInsets.symmetric(
                                 horizontal: 8,
                                 vertical: 2,
@@ -429,6 +462,7 @@ class SiteController extends GetxController with BaseControllerMixin {
                                 ),
                               ),
                             ),
+                          ),
                     SizedBox(width: 16.w),
                     if (item.plateNumber != "---" && item.hasDrivingAttachment)
                       buildInfoTag('行驶证', item.drivingAttachments),
@@ -539,15 +573,34 @@ class SiteController extends GetxController with BaseControllerMixin {
                           ],
                         ),
                       ),
-                      Container(
+
-                        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+                      GestureDetector(
+                        onTap: () async {
+                          String? temp = await takePhotoAndRecognize(
+                            false,
+                            deviceName: selectedGun.value,
+                            sign: getSignByDeviceName(selectedGun.value),
+                          );
+                          if (temp != null && temp.isNotEmpty) {
+                            amountController.text = temp;
+                          }
+                        },
+                        child: Container(
+                          padding: const EdgeInsets.symmetric(
+                            horizontal: 12,
+                            vertical: 8,
+                          ),
                           decoration: BoxDecoration(
                             color: const Color(0xFF017143),
                             borderRadius: BorderRadius.circular(8),
                           ),
                           child: const Row(
                             children: [
-                            Icon(Icons.qr_code_scanner, color: Colors.white, size: 18),
+                              Icon(
+                                Icons.camera_alt_outlined,
+                                color: Colors.white,
+                                size: 18,
+                              ),
                               SizedBox(width: 4),
                               Text(
                                 '识别',
@@ -556,6 +609,7 @@ class SiteController extends GetxController with BaseControllerMixin {
                             ],
                           ),
                         ),
+                      ),
                     ],
                   ),
                 ),
@@ -637,7 +691,7 @@ class SiteController extends GetxController with BaseControllerMixin {
                               "",
                               item,
                               gunNumber: selectedGun.value,
-                              plateNumber: item.plateNumber,
+                              plateNumber: plateController.text,
                               isAdd: true,
                             );
                             Get.back();
@@ -655,7 +709,7 @@ class SiteController extends GetxController with BaseControllerMixin {
                             "",
                             item,
                             gunNumber: selectedGun.value,
-                            plateNumber: item.plateNumber,
+                            plateNumber: plateController.text,
                           );
                         },
                         style: ElevatedButton.styleFrom(
@@ -687,7 +741,7 @@ class SiteController extends GetxController with BaseControllerMixin {
                               "",
                               item!,
                               gunNumber: selectedGun.value,
-                              plateNumber: item.plateNumber,
+                              plateNumber: plateController.text,
                             );
                           }
                         },
@@ -736,7 +790,7 @@ class SiteController extends GetxController with BaseControllerMixin {
           ),
         ),
       ),
-      barrierDismissible: true,
+      barrierDismissible: false,
     );
   }
 
@@ -1122,6 +1176,110 @@ class SiteController extends GetxController with BaseControllerMixin {
     }
   }
 
+  //车牌&加氢量 识别
+  Future<String?> takePhotoAndRecognize(
+    bool isPlate, {
+    String deviceName = "",
+    String sign = "",
+  }) async {
+    var status = await Permission.camera.request();
+    if (!status.isGranted) {
+      if (status.isPermanentlyDenied) openAppSettings();
+      showErrorToast("需要相机权限才能拍照识别");
+      return "";
+    }
+
+    final XFile? photo = await ImagePicker().pickImage(
+      source: ImageSource.camera,
+      imageQuality: 80, // 压缩图片质量以加快上传
+    );
+    if (photo == null) {
+      return "";
+    }
+
+    //上传文件
+    String? imageUrl = await uploadFile(photo.path);
+    String? ocrStr = "";
+    if (imageUrl != null) {
+      // 获取车牌号
+      if (isPlate) {
+        ocrStr = await getPlateNumber(imageUrl);
+      } else {
+        ocrStr = await getHyd(imageUrl, deviceName, sign);
+      }
+      return ocrStr;
+    }
+    return "";
+  }
+
+  String getSignByDeviceName(String deviceName) {
+    return gasGunMap[deviceName]?['sign']?.toString() ?? '';
+  }
+
+  /// 上传图片
+  Future<String?> uploadFile(String filePath) async {
+    showLoading("正在上传图片...");
+    try {
+      dio.FormData formData = dio.FormData.fromMap({
+        'file': await dio.MultipartFile.fromFile(filePath, filename: 'ocr_plate.jpg'),
+      });
+
+      var response = await HttpService.to.post("appointment/ocr/upload", data: formData);
+      if (response != null) {
+        final result = BaseModel.fromJson(response.data);
+        if (result.code == 0) return result.data.toString();
+        showErrorToast(result.error);
+      }
+    } catch (e) {
+      showErrorToast("图片上传失败");
+    } finally {
+      dismissLoading();
+    }
+    return null;
+  }
+
+  /// OCR 识别
+  Future<String?> getPlateNumber(String imageUrl) async {
+    showLoading("正在识别车牌...");
+    try {
+      var response = await HttpService.to.get(
+        "appointment/ocr/getPlateNumber",
+        params: {'imageUrl': imageUrl},
+      );
+      if (response != null) {
+        final result = BaseModel.fromJson(response.data);
+        if (result.code == 0) return result.data.toString();
+        showErrorToast(result.error);
+      }
+    } catch (e) {
+      showErrorToast("车牌识别失败");
+    } finally {
+      dismissLoading();
+    }
+    return null;
+  }
+
+  //加氢量识别 （加油枪列表接口返回的deviceName） （加油枪列表接口返回的sign）
+  Future<String?> getHyd(String imageUrl, String deviceName, String sign) async {
+    showLoading("正在识别加氢量...");
+    try {
+      var response = await HttpService.to.post(
+        "appointment/hyd-ocr/get-info",
+        data: {"url": imageUrl, "deviceName": deviceName, "sign": sign},
+      );
+      if (response != null) {
+        final result = BaseModel.fromJson(response.data);
+        if (result.code == 0) return result.data["mass"].toString();
+        showErrorToast(result.error);
+      }
+    } catch (e) {
+      showErrorToast("车牌识别失败");
+    } finally {
+      dismissLoading();
+    }
+    return null;
+  }
+
   String leftHydrogen = "";
   String orderAmount = "";
   String completedAmount = "";