feat:打印机优化

lib/common/utils/manage/print_manage.dart

@@ -5,6 +5,8 @@ import 'package:get/get.dart';
 import 'package:pj_supermarket_cloud/common/index.dart';
 
 class PrintManage extends BaseFacilityManage {
+  static const String _tag = "打印机管理";
+
   USBPrinterManager? manager;
   CapabilityProfile? profile;
   int paperSizeWidthMM = PaperSizeWidth.mm80;
@@ -25,8 +27,13 @@ class PrintManage extends BaseFacilityManage {
     if (ObjectUtil.isEmpty(target)) return false;
     profile = await CapabilityProfile.load();
     manager = USBPrinterManager(target!);
-    final res = await manager!.connect();
-    return res.value == 1;
+    try {
+      await manager?.connect();
+      return true;
+    } catch (e) {
+      logger.e("|$_tag|打开打印机失败error|$e|");
+      return false;
+    }
   }
 
   Future<bool> printImg(String img) async {
@@ -43,11 +50,17 @@ class PrintManage extends BaseFacilityManage {
       profile!,
     );
     List<int> bytes = [];
+    bytes += generator.feed(2);
     bytes += generator.image(image!);
-    bytes += generator.feed(1);
+    bytes += generator.feed(2);
     bytes += generator.cut();
-    final res = await manager!.writeBytes(bytes);
-    return res.value == 1;
+    try {
+      await manager!.writeBytes(bytes);
+      return true;
+    } catch (e) {
+      logger.e("|$_tag|打印机失败error|$e|");
+      return false;
+    }
   }
 
   @override

lib/common/utils/sync/sync_print_tool.dart

@@ -1,3 +1,5 @@
+import 'dart:convert';
+
 import 'package:common_utils/common_utils.dart';
 import 'package:get/get.dart';
 
@@ -14,8 +16,8 @@ abstract class SyncPrintTool {
     required String historyId,
     required String pic,
   }) async {
-    final app = Get.find<AppControl>();
-    final printHistoryDao = app.dataBase.getPrintHistoryDao;
+    final appC = Get.find<AppControl>();
+    final printHistoryDao = appC.dataBase.getPrintHistoryDao;
     final saveObj = PrintHistoryEntity(
       orderId: androidOrderId,
       serviceOrderId: orderId,
@@ -35,9 +37,9 @@ abstract class SyncPrintTool {
       logger.i("|$_tag|检查打印,正在打印中");
       return;
     }
-    final app = Get.find<AppControl>();
-    final printHistoryDao = app.dataBase.getPrintHistoryDao;
-    final printFacility = app.printManage;
+    final appC = Get.find<AppControl>();
+    final printHistoryDao = appC.dataBase.getPrintHistoryDao;
+    final printFacility = appC.printManage;
     try {
       // 检查有没有需要打印的
       final list = await printHistoryDao.getAll(PrintStatus.NONE.name);
@@ -72,7 +74,7 @@ abstract class SyncPrintTool {
       if (!isPrint) {
         v.status = PrintStatus.ERROR;
         await printHistoryDao.edit(v);
-        throw Error();
+        throw Exception("|$_tag|打印失败params|${v.toJson()}|");
       }
       // 更新本地数据库
       v.status = PrintStatus.SUCCESS;

lib/common/widgets/order/mixin/order_mixin.dart

@@ -377,8 +377,12 @@ mixin OrderMixin {
   // 获取商品的描述信息
   String getProductDesc() {
     String desc = "";
-    for (var e in shopCardList) {
-      desc += "${e.productName}x${e.productNumber};";
+    for (final v in shopCardList) {
+      if (v.nature == ProductNature.DEFAULT) {
+        desc += "${v.productName}x${v.productNumber};";
+      } else if (v.nature == ProductNature.WEIGHT) {
+        desc += "${v.productName}x${v.productWidget}/kg;";
+      }
     }
     return desc;
   }

lib/pages/order_history/controller.dart

@@ -228,7 +228,7 @@ class OrderHistoryController extends GetxController {
       final data = await HardApi.generateInvoice(pa);
       if (data == null) throw Error();
       if (ObjectUtil.isEmpty(data.historyId) || ObjectUtil.isEmpty(data.pic)) {
-        throw Error();
+        throw Exception("服务端生成发票失败");
       }
       await SyncPrintTool.addTask(
         orderId: v.serviceUniqueCode,

lib/pages/order_history/view.dart

@@ -134,9 +134,9 @@ class OrderHistoryPage extends GetView<OrderHistoryController> {
                 fixedWidth: 150.w,
               ),
               DataColumn2(
-                label: Text('菜品名称'),
+                label: Text('商品名称'),
                 headingRowAlignment: MainAxisAlignment.center,
-                fixedWidth: 220.w,
+                fixedWidth: 400.w,
               ),
               DataColumn2(
                 label: Text('总价'),
@@ -189,7 +189,9 @@ class OrderHistoryPage extends GetView<OrderHistoryController> {
                     DataCell(
                       Text(
                         v.productDesc ?? "未知商品",
-                        textAlign: TextAlign.center,
+                        textAlign: TextAlign.start,
+                        maxLines: 1,
+                        overflow: TextOverflow.ellipsis,
                       ).center(),
                     ),
                     DataCell(