diff --git a/client/lib/core/utils/label_data.dart b/client/lib/core/utils/label_data.dart
new file mode 100644
index 0000000..fb132fa
--- /dev/null
+++ b/client/lib/core/utils/label_data.dart
@@ -0,0 +1,40 @@
+import 'dart:typed_data';
+
+/// 单张标签的全部打印字段，预览和打印共用同一份数据。
+class LabelData {
+  /// 商品 ID，多张懒加载 QR 时用于拉取二维码字节。
+  final int? productId;
+
+  /// 二维码字节（PNG）；单张场景调用方提前拉好；多张场景由 qrFetcher 懒加载填入。
+  Uint8List? qrBytes;
+
+  final String name;
+  final String code;
+  final String? spec;
+  final String? series;
+  final String? batchNo;
+  final String? productionDate;
+  final String? remark;
+  final String shopName;
+  final String shopAddress;
+  final String shopPhone;
+
+  /// 打印份数，默认 1，可在预览弹窗里调整。
+  int copies;
+
+  LabelData({
+    this.productId,
+    this.qrBytes,
+    required this.name,
+    required this.code,
+    this.spec,
+    this.series,
+    this.batchNo,
+    this.productionDate,
+    this.remark,
+    this.shopName = '',
+    this.shopAddress = '',
+    this.shopPhone = '',
+    this.copies = 1,
+  });
+}
diff --git a/client/lib/core/utils/print_util.dart b/client/lib/core/utils/print_util.dart
index 36f0a2d..c1c01e9 100644
--- a/client/lib/core/utils/print_util.dart
+++ b/client/lib/core/utils/print_util.dart
@@ -3,6 +3,8 @@ import 'package:flutter/material.dart';
 import '../../models/stock_in.dart';
 import '../../models/stock_out.dart';
 import '../errors/error_reporter.dart';
+import 'label_data.dart';
+export 'label_data.dart';
 import 'print_util_stub.dart'
     if (dart.library.js_interop) 'print_util_web.dart';
 
@@ -18,6 +20,7 @@ Future<void> printProductLabel({
   String shopName = '',
   String shopAddress = '',
   String shopPhone = '',
+  String? printerName,
 }) =>
     printProductLabelImpl(
       qrBytes: qrBytes,
@@ -31,8 +34,19 @@ Future<void> printProductLabel({
       shopName: shopName,
       shopAddress: shopAddress,
       shopPhone: shopPhone,
+      printerName: printerName,
     );
 
+/// 渲染标签预览图（PNG 字节）；Web 平台返回 null。
+Future<Uint8List?> renderLabelPreview(LabelData label) =>
+    renderLabelPreviewImpl(label);
+
+/// 枚举当前系统所有可用打印机名；Web 平台返回空列表。
+Future<List<String>> listLabelPrinters() => listLabelPrintersImpl();
+
+/// 自动检测默认热敏打印机（名字含 deli/dl-888）；找不到或 Web 返回 null。
+Future<String?> detectDefaultPrinter() => detectDefaultPrinterImpl();
+
 Future<void> printStockInOrder(StockInOrder order) =>
     printStockInOrderImpl(order);
 
diff --git a/client/lib/core/utils/print_util_stub.dart b/client/lib/core/utils/print_util_stub.dart
index 9e1f03c..c76a702 100644
--- a/client/lib/core/utils/print_util_stub.dart
+++ b/client/lib/core/utils/print_util_stub.dart
@@ -22,6 +22,7 @@ import 'package:pdf/widgets.dart' as pw;
 import 'package:printing/printing.dart';
 import '../../models/stock_in.dart';
 import '../../models/stock_out.dart';
+import 'label_data.dart';
 
 Future<pw.Font> _loadFont() async {
   final data = await rootBundle.load('assets/fonts/NotoSansSC-Regular.ttf');
@@ -188,21 +189,15 @@ double _fitFont(String s, double maxW, double maxH, bool bold, double cap) {
   return size;
 }
 
-/// 桌面端把「扁平标签」直接画成单色位图，TSPL BITMAP 裸发到热敏机。
-/// 版式（无样式）：酒行名 / 酒名(长名缩小) / 度数(系列)+规格 / 日期；右侧二维码 + 扫码溯源。
-/// 检测不到热敏机 -> 返回 false（交系统打印）；检测到则强制 TSPL，失败抛异常。
-Future<bool> _printFlatLabelThermal({
+/// 用 dart:ui 把一张标签绘制成 320×160 位图（热敏标签实际尺寸 40×20mm @203dpi）。
+/// 供 TSPL 裸发和预览渲染共用同一套画布逻辑，确保预览即实际输出。
+Future<ui.Image> _renderLabelBitmap({
   required String shop,
   required String name,
   required String degSpec,
   required String date,
   required Uint8List qrBytes,
 }) async {
-  if (kIsWeb || !(Platform.isMacOS || Platform.isWindows)) return false;
-  final printer = await _findThermalPrinter();
-  debugPrint('[label] thermal printer = $printer');
-  if (printer == null) return false;
-
   const w = 320, h = 160; // 40×20mm @203dpi
   final recorder = ui.PictureRecorder();
   final canvas = ui.Canvas(
@@ -248,7 +243,29 @@ Future<bool> _printFlatLabelThermal({
     yy += rowH;
   }
 
-  final img = await recorder.endRecording().toImage(w, h);
+  return recorder.endRecording().toImage(w, h);
+}
+
+/// 桌面端把「扁平标签」直接画成单色位图，TSPL BITMAP 裸发到热敏机。
+/// 版式（无样式）：酒行名 / 酒名(长名缩小) / 度数(系列)+规格 / 日期；右侧二维码 + 扫码溯源。
+/// 检测不到热敏机 -> 返回 false（交系统打印）；检测到则强制 TSPL，失败抛异常。
+/// [printerName] 非空时跳过自动检测直接使用，为空则走 _findThermalPrinter()。
+Future<bool> _printFlatLabelThermal({
+  required String shop,
+  required String name,
+  required String degSpec,
+  required String date,
+  required Uint8List qrBytes,
+  String? printerName,
+}) async {
+  if (kIsWeb || !(Platform.isMacOS || Platform.isWindows)) return false;
+  final printer = printerName ?? await _findThermalPrinter();
+  debugPrint('[label] thermal printer = $printer');
+  if (printer == null) return false;
+
+  const w = 320, h = 160;
+  final img = await _renderLabelBitmap(
+      shop: shop, name: name, degSpec: degSpec, date: date, qrBytes: qrBytes);
   final bd = await img.toByteData(format: ui.ImageByteFormat.rawRgba);
   final rgba = bd!.buffer.asUint8List();
 
@@ -290,6 +307,7 @@ Future<void> printProductLabelImpl({
   String shopName = '',
   String shopAddress = '',
   String shopPhone = '',
+  String? printerName,
 }) async {
   try {
   final font = await _loadFont();
@@ -316,7 +334,8 @@ Future<void> printProductLabelImpl({
       name: name,
       degSpec: degSpecVal,
       date: dateVal == '—' ? '' : dateVal, // 无生产日期(商品详情)则不显示该行
-      qrBytes: qrBytes)) {
+      qrBytes: qrBytes,
+      printerName: printerName)) {
     return;
   }
 
@@ -449,6 +468,60 @@ Future<void> printProductLabelImpl({
   }
 }
 
+/// 渲染标签预览图（PNG 字节），与实际热敏打印使用相同画布逻辑（所见即所得）。
+/// Web 平台或 qrBytes 为空时抛异常。
+Future<Uint8List> renderLabelPreviewImpl(LabelData label) async {
+  final specVal = (label.spec ?? '').isNotEmpty ? label.spec! : '';
+  final seriesVal = (label.series ?? '').isNotEmpty ? label.series! : '';
+  final degSpecVal = [seriesVal, specVal].where((s) => s.isNotEmpty).join(' ');
+  final dateVal = (label.productionDate ?? '').isNotEmpty
+      ? (label.productionDate!.length > 10
+          ? label.productionDate!.substring(0, 10)
+          : label.productionDate!)
+      : '';
+  final img = await _renderLabelBitmap(
+    shop: label.shopName,
+    name: label.name,
+    degSpec: degSpecVal,
+    date: dateVal,
+    qrBytes: label.qrBytes!,
+  );
+  final bd = await img.toByteData(format: ui.ImageByteFormat.png);
+  return bd!.buffer.asUint8List();
+}
+
+/// 枚举当前系统上所有可用打印机名。
+/// macOS: CUPS 队列（lpstat -e）；Windows: Printing.listPrinters()；其他返回空列表。
+Future<List<String>> listLabelPrintersImpl() async {
+  if (kIsWeb) return [];
+  if (Platform.isMacOS) {
+    try {
+      final r = await Process.run('lpstat', ['-e']);
+      if (r.exitCode == 0) {
+        return (r.stdout as String)
+            .split('\n')
+            .map((s) => s.trim())
+            .where((s) => s.isNotEmpty)
+            .toList();
+      }
+    } catch (e) {
+      debugPrint('[label] lpstat -e 失败: $e');
+    }
+    return [];
+  }
+  if (Platform.isWindows) {
+    try {
+      return (await Printing.listPrinters()).map((p) => p.name).toList();
+    } catch (e) {
+      debugPrint('[label] listPrinters 失败: $e');
+    }
+  }
+  return [];
+}
+
+/// 自动检测默认热敏打印机（名字含 deli/dl-888）；找不到返回 null。
+Future<String?> detectDefaultPrinterImpl() => _findThermalPrinter();
+
 pw.Widget _buildOrderDoc({
   required pw.Font font,
   required pw.Font bold,
diff --git a/client/lib/core/utils/print_util_web.dart b/client/lib/core/utils/print_util_web.dart
index 334d4cb..f30c40c 100644
--- a/client/lib/core/utils/print_util_web.dart
+++ b/client/lib/core/utils/print_util_web.dart
@@ -5,6 +5,7 @@ import 'package:web/web.dart' as web;
 import '../../models/stock_in.dart';
 import '../../models/stock_out.dart';
 import '../errors/error_reporter.dart';
+import 'label_data.dart';
 
 void _openPrintWindow(String html) {
   final win = web.window.open('', '_blank');
@@ -27,6 +28,7 @@ Future<void> printProductLabelImpl({
   String shopName = '',
   String shopAddress = '',
   String shopPhone = '',
+  String? printerName,
 }) async {
   final base64Img = base64Encode(qrBytes);
 
@@ -279,6 +281,14 @@ Future<void> printStockInOrderImpl(StockInOrder order) async {
   }
 }
 
+// ── 预览 / 打印机枚举（Web 不支持热敏裸发，返回空值）─────────────────────────
+
+Future<Uint8List?> renderLabelPreviewImpl(LabelData label) async => null;
+
+Future<List<String>> listLabelPrintersImpl() async => [];
+
+Future<String?> detectDefaultPrinterImpl() async => null;
+
 // ── 出库单 ──────────────────────────────────────────────────────────────────
 
 Future<void> printStockOutOrderImpl(StockOutOrder order) async {
diff --git a/client/lib/screens/inventory/inventory_list_screen.dart b/client/lib/screens/inventory/inventory_list_screen.dart
index 2027179..4620ca9 100644
--- a/client/lib/screens/inventory/inventory_list_screen.dart
+++ b/client/lib/screens/inventory/inventory_list_screen.dart
@@ -16,6 +16,8 @@ import '../../widgets/multi_select_dropdown.dart' show FilterableColumnHeader;
 import '../../widgets/page_scaffold.dart';
 import '../../core/utils/export_util.dart';
 import '../../core/utils/print_util.dart';
+import '../../core/utils/dialog_util.dart';
+import '../../widgets/label_preview_dialog.dart';
 import '../../providers/product_provider.dart';
 import '../../providers/product_option_provider.dart';
 import '../../providers/tab_state_provider.dart';
@@ -200,21 +202,23 @@ class _InventoryListScreenState extends ConsumerState<InventoryListScreen> {
         await ref.read(productRepositoryProvider).getQRCodeBytes(item.productId!);
     final shopInfo = ref.read(shopInfoProvider).valueOrNull;
     if (!context.mounted) return;
-    await safePrint(
-      context,
-      () => printProductLabel(
-        qrBytes: qrBytes,
-        name: item.productName,
-        code: item.productCode,
-        series: item.series.isEmpty ? null : item.series,
-        spec: item.spec.isEmpty ? null : item.spec,
-        batchNo: item.batchNo.isEmpty ? null : item.batchNo,
-        productionDate: item.productionDate,
-        remark: item.remark.isEmpty ? null : item.remark,
-        shopName: shopInfo?.name ?? '',
-        shopAddress: shopInfo?.address ?? '',
-        shopPhone: shopInfo?.phone ?? '',
-      ),
+    final label = LabelData(
+      productId: item.productId,
+      qrBytes: qrBytes,
+      name: item.productName,
+      code: item.productCode,
+      series: item.series.isEmpty ? null : item.series,
+      spec: item.spec.isEmpty ? null : item.spec,
+      batchNo: item.batchNo.isEmpty ? null : item.batchNo,
+      productionDate: item.productionDate,
+      remark: item.remark.isEmpty ? null : item.remark,
+      shopName: shopInfo?.name ?? '',
+      shopAddress: shopInfo?.address ?? '',
+      shopPhone: shopInfo?.phone ?? '',
+    );
+    showAppDialog(
+      context: context,
+      builder: (_) => LabelPreviewDialog(labels: [label]),
     );
   }
 
diff --git a/client/lib/screens/products/product_detail_screen.dart b/client/lib/screens/products/product_detail_screen.dart
index eb1bfb4..0f68933 100644
--- a/client/lib/screens/products/product_detail_screen.dart
+++ b/client/lib/screens/products/product_detail_screen.dart
@@ -8,6 +8,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import '../../core/config/app_config.dart';
 import '../../core/utils/print_util.dart';
+import '../../widgets/label_preview_dialog.dart';
 import '../../core/theme/app_theme.dart';
 import '../../models/product.dart';
 import '../../models/product_image.dart';
@@ -656,8 +657,6 @@ class _QRCodeDialog extends ConsumerStatefulWidget {
 class _QRCodeDialogState extends ConsumerState<_QRCodeDialog> {
   late Future<Uint8List> _future;
   Uint8List? _bytes;
-  bool _printing = false;
-  String _printStatus = '';
 
   @override
   void initState() {
@@ -670,25 +669,25 @@ class _QRCodeDialogState extends ConsumerState<_QRCodeDialog> {
       });
   }
 
-  Future<void> _print() async {
-    if (_bytes == null || _printing) return;
-    setState(() { _printing = true; _printStatus = '正在打印...'; });
+  void _print() {
+    if (_bytes == null) return;
     final p = widget.product;
     final shopInfo = ref.read(shopInfoProvider).valueOrNull;
-    try {
-      await safePrint(context, () => printProductLabel(
-        qrBytes: _bytes!,
-        name: p.name,
-        code: p.code,
-        spec: p.spec,
-        series: p.series,
-        shopName: shopInfo?.name ?? '',
-        shopAddress: shopInfo?.address ?? '',
-        shopPhone: shopInfo?.phone ?? '',
-      ));
-    } finally {
-      if (mounted) setState(() { _printing = false; _printStatus = ''; });
-    }
+    final label = LabelData(
+      productId: p.id,
+      qrBytes: _bytes,
+      name: p.name,
+      code: p.code,
+      spec: p.spec,
+      series: p.series,
+      shopName: shopInfo?.name ?? '',
+      shopAddress: shopInfo?.address ?? '',
+      shopPhone: shopInfo?.phone ?? '',
+    );
+    showAppDialog(
+      context: context,
+      builder: (_) => LabelPreviewDialog(labels: [label]),
+    );
   }
 
   @override
@@ -717,15 +716,9 @@ class _QRCodeDialogState extends ConsumerState<_QRCodeDialog> {
           child: const Text('关闭'),
         ),
         FilledButton.icon(
-          onPressed: _bytes == null ? null : (_printing ? null : _print),
-          icon: _printing
-              ? const SizedBox(
-                  width: 14, height: 14,
-                  child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white))
-              : const Icon(Icons.print, size: 16),
-          label: Text(_printing
-              ? (_printStatus.isNotEmpty ? _printStatus : '准备中...')
-              : '打印'),
+          onPressed: _bytes == null ? null : _print,
+          icon: const Icon(Icons.print, size: 16),
+          label: const Text('打印'),
         ),
       ],
     );
diff --git a/client/lib/screens/stock_in/stock_in_list_screen.dart b/client/lib/screens/stock_in/stock_in_list_screen.dart
index 9043f33..e51b78f 100644
--- a/client/lib/screens/stock_in/stock_in_list_screen.dart
+++ b/client/lib/screens/stock_in/stock_in_list_screen.dart
@@ -1,6 +1,7 @@
 import '../../core/utils/dialog_util.dart';
 import '../../core/errors/error_reporter.dart';
-import '../../core/utils/print_util.dart' show safePrint, printStockInOrder, printProductLabel;
+import '../../core/utils/print_util.dart' show safePrint, printStockInOrder, LabelData;
+import '../../widgets/label_preview_dialog.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
@@ -15,7 +16,6 @@ import '../../widgets/multi_select_dropdown.dart' show ColDef, ColumnToggleButto
 import '../../widgets/page_scaffold.dart';
 import '../../widgets/status_badge.dart';
 import '../../core/utils/export_util.dart';
-import '../../core/utils/print_util.dart';
 import '../../providers/inventory_provider.dart';
 import '../../providers/tab_state_provider.dart';
 import '../../providers/product_provider.dart' show productRepositoryProvider;
@@ -365,14 +365,25 @@ class _StockInListScreenState extends ConsumerState<StockInListScreen> {
           final order = await ref.read(stockInRepositoryProvider).get(o.id);
           if (!context.mounted) return;
           final shopInfo = ref.read(shopInfoProvider).valueOrNull;
-          await showDialog(
+          final labels = order.items
+              .map((item) => LabelData(
+                    productId: item.productId,
+                    name: item.productName ?? '',
+                    code: item.productCode ?? '',
+                    series: item.productSeries,
+                    spec: item.productSpec,
+                    batchNo: item.batchNo,
+                    productionDate: item.productionDate,
+                    shopName: shopInfo?.name ?? '',
+                    shopAddress: shopInfo?.address ?? '',
+                    shopPhone: shopInfo?.phone ?? '',
+                  ))
+              .toList();
+          showAppDialog(
             context: context,
-            builder: (_) => _LabelPrintDialog(
-              order: order,
-              productRepo: ref.read(productRepositoryProvider),
-              shopName: shopInfo?.name ?? '',
-              shopAddress: shopInfo?.address ?? '',
-              shopPhone: shopInfo?.phone ?? '',
+            builder: (_) => LabelPreviewDialog(
+              labels: labels,
+              qrFetcher: ref.read(productRepositoryProvider).getQRCodeBytes,
             ),
           );
         },
@@ -996,149 +1007,3 @@ class _StatusFilterDropdown extends StatelessWidget {
   }
 }
 
-class _LabelPrintDialog extends StatefulWidget {
-  final StockInOrder order;
-  final ProductRepository productRepo;
-  final String shopName;
-  final String shopAddress;
-  final String shopPhone;
-  const _LabelPrintDialog({
-    required this.order,
-    required this.productRepo,
-    this.shopName = '',
-    this.shopAddress = '',
-    this.shopPhone = '',
-  });
-
-  @override
-  State<_LabelPrintDialog> createState() => _LabelPrintDialogState();
-}
-
-class _LabelPrintDialogState extends State<_LabelPrintDialog> {
-  late final List<bool> _selected;
-  bool _printing = false;
-  String _status = '';
-
-  @override
-  void initState() {
-    super.initState();
-    _selected = List.filled(widget.order.items.length, true);
-  }
-
-  Future<void> _print() async {
-    setState(() { _printing = true; _status = '正在打印...'; });
-    int done = 0;
-    for (int i = 0; i < widget.order.items.length; i++) {
-      if (!_selected[i]) continue;
-      final item = widget.order.items[i];
-      try {
-        final qrBytes = await widget.productRepo.getQRCodeBytes(item.productId);
-        await printProductLabel(
-          qrBytes: qrBytes,
-          name: item.productName ?? '',
-          code: item.productCode ?? '',
-          series: item.productSeries,
-          spec: item.productSpec,
-          batchNo: item.batchNo,
-          productionDate: item.productionDate,
-          shopName: widget.shopName,
-          shopAddress: widget.shopAddress,
-          shopPhone: widget.shopPhone,
-        );
-        done++;
-        if (mounted) setState(() => _status = '已打印 $done 张...');
-      } catch (e, st) {
-        reportError(e, st);
-        if (mounted) setState(() => _status = '第${i + 1}行打印失败：$e');
-      }
-    }
-    if (mounted) setState(() { _printing = false; _status = '完成，共打印 $done 张'; });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final items = widget.order.items;
-    return Dialog(
-      child: Container(
-        width: context.dialogWidth(520),
-        constraints: const BoxConstraints(maxHeight: 520),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Container(
-              padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
-              decoration: const BoxDecoration(
-                color: AppTheme.primary,
-                borderRadius: BorderRadius.only(
-                  topLeft: Radius.circular(12),
-                  topRight: Radius.circular(12),
-                ),
-              ),
-              child: Row(
-                children: [
-                  const Text('打印商品标签',
-                      style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Colors.white)),
-                  const Spacer(),
-                  IconButton(
-                    icon: const Icon(Icons.close, color: Colors.white),
-                    onPressed: () => Navigator.of(context).pop(),
-                  ),
-                ],
-              ),
-            ),
-            Expanded(
-              child: ListView.separated(
-                padding: const EdgeInsets.symmetric(vertical: 8),
-                itemCount: items.length,
-                separatorBuilder: (_, __) => const Divider(height: 1),
-                itemBuilder: (_, i) {
-                  final item = items[i];
-                  return CheckboxListTile(
-                    value: _selected[i],
-                    onChanged: _printing
-                        ? null
-                        : (v) => setState(() => _selected[i] = v ?? false),
-                    title: Text(
-                      '${item.productCode ?? ''} ${item.productName ?? ''}',
-                      style: const TextStyle(fontSize: 13),
-                    ),
-                    subtitle: Text(
-                      '${item.productSeries ?? ''}  ${item.productSpec ?? ''}',
-                      style: const TextStyle(fontSize: 12, color: AppTheme.textSecondary),
-                    ),
-                    dense: true,
-                    controlAffinity: ListTileControlAffinity.leading,
-                  );
-                },
-              ),
-            ),
-            if (_status.isNotEmpty)
-              Padding(
-                padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
-                child: Text(_status,
-                    style: const TextStyle(fontSize: 12, color: AppTheme.textSecondary)),
-              ),
-            Padding(
-              padding: const EdgeInsets.all(16),
-              child: Row(
-                mainAxisAlignment: MainAxisAlignment.end,
-                children: [
-                  TextButton(
-                    onPressed: () => Navigator.of(context).pop(),
-                    child: const Text('关闭'),
-                  ),
-                  const SizedBox(width: 8),
-                  ElevatedButton.icon(
-                    onPressed: (_printing || !_selected.contains(true)) ? null : _print,
-                    icon: const Icon(Icons.print_outlined, size: 16),
-                    label: Text(_printing ? '打印中...' : '打印选中'),
-                  ),
-                ],
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-}
diff --git a/client/lib/screens/stock_out/stock_out_list_screen.dart b/client/lib/screens/stock_out/stock_out_list_screen.dart
index c64f519..457410b 100644
--- a/client/lib/screens/stock_out/stock_out_list_screen.dart
+++ b/client/lib/screens/stock_out/stock_out_list_screen.dart
@@ -1,7 +1,6 @@
-import '../../repositories/product_repository.dart';
 import '../../core/utils/dialog_util.dart';
 import '../../core/errors/error_reporter.dart';
-import '../../core/utils/print_util.dart' show safePrint, printStockOutOrder, printProductLabel;
+import '../../core/utils/print_util.dart' show safePrint, printStockOutOrder;
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
@@ -920,149 +919,3 @@ class _StatusFilterDropdown extends StatelessWidget {
   }
 }
 
-class _LabelPrintDialog extends StatefulWidget {
-  final StockOutOrder order;
-  final ProductRepository productRepo;
-  final String shopName;
-  final String shopAddress;
-  final String shopPhone;
-  const _LabelPrintDialog({
-    required this.order,
-    required this.productRepo,
-    this.shopName = '',
-    this.shopAddress = '',
-    this.shopPhone = '',
-  });
-
-  @override
-  State<_LabelPrintDialog> createState() => _LabelPrintDialogState();
-}
-
-class _LabelPrintDialogState extends State<_LabelPrintDialog> {
-  late final List<bool> _selected;
-  bool _printing = false;
-  String _status = '';
-
-  @override
-  void initState() {
-    super.initState();
-    _selected = List.filled(widget.order.items.length, true);
-  }
-
-  Future<void> _print() async {
-    setState(() { _printing = true; _status = '正在打印...'; });
-    int done = 0;
-    for (int i = 0; i < widget.order.items.length; i++) {
-      if (!_selected[i]) continue;
-      final item = widget.order.items[i];
-      try {
-        final qrBytes = await widget.productRepo.getQRCodeBytes(item.productId);
-        await printProductLabel(
-          qrBytes: qrBytes,
-          name: item.productName ?? '',
-          code: item.productCode ?? '',
-          series: item.productSeries,
-          spec: item.productSpec,
-          shopName: widget.shopName,
-          shopAddress: widget.shopAddress,
-          shopPhone: widget.shopPhone,
-        );
-        done++;
-        if (mounted) setState(() => _status = '已打印 $done 张...');
-      } catch (e, st) {
-        reportError(e, st);
-        if (mounted) setState(() => _status = '第${i + 1}行打印失败：$e');
-      }
-    }
-    if (mounted) {
-      setState(() { _printing = false; _status = '完成，共打印 $done 张'; });
-    }
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final items = widget.order.items;
-    return Dialog(
-      child: Container(
-        width: context.dialogWidth(520),
-        constraints: const BoxConstraints(maxHeight: 520),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Container(
-              padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
-              decoration: const BoxDecoration(
-                color: AppTheme.primary,
-                borderRadius: BorderRadius.only(
-                  topLeft: Radius.circular(12),
-                  topRight: Radius.circular(12),
-                ),
-              ),
-              child: Row(
-                children: [
-                  const Text('打印商品标签',
-                      style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Colors.white)),
-                  const Spacer(),
-                  IconButton(
-                    icon: const Icon(Icons.close, color: Colors.white),
-                    onPressed: () => Navigator.of(context).pop(),
-                  ),
-                ],
-              ),
-            ),
-            Expanded(
-              child: ListView.separated(
-                padding: const EdgeInsets.symmetric(vertical: 8),
-                itemCount: items.length,
-                separatorBuilder: (_, __) => const Divider(height: 1),
-                itemBuilder: (_, i) {
-                  final item = items[i];
-                  return CheckboxListTile(
-                    value: _selected[i],
-                    onChanged: _printing
-                        ? null
-                        : (v) => setState(() => _selected[i] = v ?? false),
-                    title: Text(
-                      '${item.productCode ?? ''} ${item.productName ?? ''}',
-                      style: const TextStyle(fontSize: 13),
-                    ),
-                    subtitle: Text(
-                      '${item.productSeries ?? ''}  ${item.productSpec ?? ''}',
-                      style: const TextStyle(fontSize: 12, color: AppTheme.textSecondary),
-                    ),
-                    dense: true,
-                    controlAffinity: ListTileControlAffinity.leading,
-                  );
-                },
-              ),
-            ),
-            if (_status.isNotEmpty)
-              Padding(
-                padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
-                child: Text(_status,
-                    style: const TextStyle(fontSize: 12, color: AppTheme.textSecondary)),
-              ),
-            Padding(
-              padding: const EdgeInsets.all(16),
-              child: Row(
-                mainAxisAlignment: MainAxisAlignment.end,
-                children: [
-                  TextButton(
-                    onPressed: () => Navigator.of(context).pop(),
-                    child: const Text('关闭'),
-                  ),
-                  const SizedBox(width: 8),
-                  ElevatedButton.icon(
-                    onPressed: (_printing || !_selected.contains(true)) ? null : _print,
-                    icon: const Icon(Icons.print_outlined, size: 16),
-                    label: Text(_printing ? '打印中...' : '打印选中'),
-                  ),
-                ],
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-}
diff --git a/client/lib/widgets/label_preview_dialog.dart b/client/lib/widgets/label_preview_dialog.dart
new file mode 100644
index 0000000..9687c93
--- /dev/null
+++ b/client/lib/widgets/label_preview_dialog.dart
@@ -0,0 +1,434 @@
+import 'dart:typed_data';
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import '../core/errors/error_reporter.dart';
+import '../core/theme/app_theme.dart';
+import '../core/responsive/responsive.dart';
+import '../core/utils/print_util.dart';
+import '../core/utils/label_data.dart';
+
+const _kPrinterKey = 'label_printer';
+
+/// 标签打印预览弹窗：所见即所得预览（dart:ui 位图）+ 打印机选择 + 份数调整。
+///
+/// 单张模式（labels.length == 1）：隐藏缩略图条，直接显示大图。
+/// 多张模式：左侧竖排缩略图（带勾选），右侧大图主视图。
+class LabelPreviewDialog extends StatefulWidget {
+  final List<LabelData> labels;
+
+  /// 多张懒加载：按 productId 拉取 QR PNG 字节。单张场景可不传（qrBytes 已在 LabelData 中）。
+  final Future<Uint8List> Function(int productId)? qrFetcher;
+
+  const LabelPreviewDialog({
+    super.key,
+    required this.labels,
+    this.qrFetcher,
+  });
+
+  @override
+  State<LabelPreviewDialog> createState() => _LabelPreviewDialogState();
+}
+
+class _LabelPreviewDialogState extends State<LabelPreviewDialog> {
+  int _selectedIndex = 0;
+  late List<Uint8List?> _previews;
+  late List<bool> _include;
+  List<String> _printers = [];
+  String? _printer;
+  bool _printing = false;
+  String _status = '';
+
+  @override
+  void initState() {
+    super.initState();
+    _previews = List<Uint8List?>.filled(widget.labels.length, null,
+        growable: false);
+    _include = List<bool>.filled(widget.labels.length, true, growable: false);
+    _init();
+  }
+
+  Future<void> _init() async {
+    // ── 枚举打印机，读取上次记忆 ──
+    final printers = await listLabelPrinters();
+    final prefs = await SharedPreferences.getInstance();
+    final saved = prefs.getString(_kPrinterKey);
+    String? selected;
+    if (saved != null && printers.contains(saved)) {
+      selected = saved;
+    } else {
+      selected = await detectDefaultPrinter() ??
+          (printers.isNotEmpty ? printers.first : null);
+    }
+    if (mounted) {
+      setState(() {
+        _printers = printers;
+        _printer = selected;
+      });
+    }
+
+    // ── 逐张渲染预览（progressive）──
+    for (int i = 0; i < widget.labels.length; i++) {
+      final label = widget.labels[i];
+      try {
+        // 懒加载 QR
+        if (label.qrBytes == null &&
+            label.productId != null &&
+            widget.qrFetcher != null) {
+          label.qrBytes = await widget.qrFetcher!(label.productId!);
+        }
+        if (label.qrBytes == null) continue;
+        final png = await renderLabelPreview(label);
+        if (mounted && png != null) {
+          setState(() => _previews[i] = png);
+        }
+      } catch (e, st) {
+        debugPrint('[preview] 渲染第${i + 1}张失败: $e');
+        reportError(e, st);
+      }
+    }
+  }
+
+  int get _totalPrintCount {
+    int total = 0;
+    for (int i = 0; i < widget.labels.length; i++) {
+      if (_include[i]) total += widget.labels[i].copies;
+    }
+    return total;
+  }
+
+  Future<void> _doPrint() async {
+    if (_printing) return;
+    setState(() {
+      _printing = true;
+      _status = '正在打印...';
+    });
+    int done = 0;
+    final total = _totalPrintCount;
+    for (int i = 0; i < widget.labels.length; i++) {
+      if (!_include[i]) continue;
+      final label = widget.labels[i];
+      for (int c = 0; c < label.copies; c++) {
+        try {
+          // 确保 QR 已拉取
+          if (label.qrBytes == null &&
+              label.productId != null &&
+              widget.qrFetcher != null) {
+            label.qrBytes = await widget.qrFetcher!(label.productId!);
+          }
+          if (label.qrBytes == null) continue;
+          await printProductLabel(
+            qrBytes: label.qrBytes!,
+            name: label.name,
+            code: label.code,
+            spec: label.spec,
+            series: label.series,
+            batchNo: label.batchNo,
+            productionDate: label.productionDate,
+            remark: label.remark,
+            shopName: label.shopName,
+            shopAddress: label.shopAddress,
+            shopPhone: label.shopPhone,
+            printerName: _printer,
+          );
+          done++;
+          if (mounted) {
+            setState(() => _status = '已打印 $done/$total 张...');
+          }
+        } catch (e, st) {
+          reportError(e, st);
+          if (mounted) {
+            setState(() => _status = '第${i + 1}张第${c + 1}份打印失败：$e');
+          }
+        }
+      }
+    }
+    if (mounted) {
+      setState(() {
+        _printing = false;
+        _status = '完成，共打印 $done 张';
+      });
+    }
+  }
+
+  // ── 缩略图列表项 ─────────────────────────────────────────────────────────────
+
+  Widget _buildThumbnail(int i) {
+    final isSelected = _selectedIndex == i;
+    return GestureDetector(
+      onTap: () => setState(() => _selectedIndex = i),
+      child: Container(
+        margin: const EdgeInsets.symmetric(vertical: 4, horizontal: 8),
+        padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 6),
+        decoration: BoxDecoration(
+          border: Border.all(
+            color: isSelected ? AppTheme.primary : AppTheme.border,
+            width: isSelected ? 2 : 1,
+          ),
+          borderRadius: BorderRadius.circular(6),
+          color: isSelected
+              ? AppTheme.primary.withOpacity(0.04)
+              : AppTheme.surface,
+        ),
+        child: Row(
+          children: [
+            SizedBox(
+              width: 20,
+              height: 20,
+              child: Checkbox(
+                value: _include[i],
+                onChanged: _printing
+                    ? null
+                    : (v) => setState(() => _include[i] = v ?? true),
+                materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
+                visualDensity: VisualDensity.compact,
+              ),
+            ),
+            const SizedBox(width: 4),
+            SizedBox(
+              width: 76,
+              height: 38,
+              child: _previews[i] != null
+                  ? Image.memory(_previews[i]!, fit: BoxFit.contain)
+                  : const Center(
+                      child: SizedBox(
+                          width: 16,
+                          height: 16,
+                          child: CircularProgressIndicator(strokeWidth: 2))),
+            ),
+            const SizedBox(width: 6),
+            Text(
+              '${i + 1}',
+              style: TextStyle(
+                fontSize: 12,
+                color: isSelected
+                    ? AppTheme.primary
+                    : AppTheme.textSecondary,
+                fontWeight:
+                    isSelected ? FontWeight.w600 : FontWeight.normal,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  // ── 大图 + 份数控件 ──────────────────────────────────────────────────────────
+
+  Widget _buildMainPreview() {
+    final preview = _previews[_selectedIndex];
+    final label = widget.labels[_selectedIndex];
+    return Column(
+      children: [
+        Expanded(
+          child: Center(
+            child: Container(
+              constraints: const BoxConstraints(maxWidth: 420, maxHeight: 230),
+              decoration: BoxDecoration(
+                border: Border.all(color: AppTheme.border),
+                borderRadius: BorderRadius.circular(4),
+                color: Colors.white,
+              ),
+              child: ClipRRect(
+                borderRadius: BorderRadius.circular(3),
+                child: preview != null
+                    ? Image.memory(preview, fit: BoxFit.contain)
+                    : const Center(child: CircularProgressIndicator()),
+              ),
+            ),
+          ),
+        ),
+        const SizedBox(height: 8),
+        // 份数调节
+        Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            const Text('打印份数：', style: TextStyle(fontSize: 13)),
+            IconButton(
+              icon: const Icon(Icons.remove_circle_outline, size: 20),
+              onPressed: (_printing || label.copies <= 1)
+                  ? null
+                  : () => setState(() => label.copies--),
+              padding: EdgeInsets.zero,
+              constraints: const BoxConstraints(),
+            ),
+            const SizedBox(width: 4),
+            SizedBox(
+              width: 32,
+              child: Text(
+                '${label.copies}',
+                textAlign: TextAlign.center,
+                style: const TextStyle(
+                    fontSize: 15, fontWeight: FontWeight.w600),
+              ),
+            ),
+            const SizedBox(width: 4),
+            IconButton(
+              icon: const Icon(Icons.add_circle_outline, size: 20),
+              onPressed:
+                  _printing ? null : () => setState(() => label.copies++),
+              padding: EdgeInsets.zero,
+              constraints: const BoxConstraints(),
+            ),
+          ],
+        ),
+      ],
+    );
+  }
+
+  // ── build ────────────────────────────────────────────────────────────────────
+
+  @override
+  Widget build(BuildContext context) {
+    final isMulti = widget.labels.length > 1;
+    final totalCount = _totalPrintCount;
+
+    return Dialog(
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+      child: Container(
+        width: context.dialogWidth(isMulti ? 640 : 440),
+        constraints: const BoxConstraints(maxHeight: 560),
+        child: Column(
+          children: [
+            // ── 顶栏 ──────────────────────────────────────────────────────────
+            Container(
+              padding:
+                  const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
+              decoration: const BoxDecoration(
+                color: AppTheme.primary,
+                borderRadius: BorderRadius.only(
+                  topLeft: Radius.circular(12),
+                  topRight: Radius.circular(12),
+                ),
+              ),
+              child: Row(
+                children: [
+                  const Text('打印预览',
+                      style: TextStyle(
+                          fontSize: 16,
+                          fontWeight: FontWeight.w600,
+                          color: Colors.white)),
+                  const Spacer(),
+                  IconButton(
+                    icon: const Icon(Icons.close, color: Colors.white),
+                    onPressed: () => Navigator.of(context).pop(),
+                    padding: EdgeInsets.zero,
+                    constraints: const BoxConstraints(),
+                  ),
+                ],
+              ),
+            ),
+
+            // ── 打印机选择行 ──────────────────────────────────────────────────
+            Padding(
+              padding: const EdgeInsets.fromLTRB(16, 12, 16, 0),
+              child: Row(
+                children: [
+                  const Text('打印机：',
+                      style: TextStyle(fontSize: 13)),
+                  const SizedBox(width: 8),
+                  Expanded(
+                    child: _printers.isEmpty
+                        ? const Text('检测中或未检测到打印机...',
+                            style: TextStyle(
+                                fontSize: 13,
+                                color: AppTheme.textSecondary))
+                        : DropdownButtonHideUnderline(
+                            child: Container(
+                              padding: const EdgeInsets.symmetric(
+                                  horizontal: 10, vertical: 4),
+                              decoration: BoxDecoration(
+                                border: Border.all(color: AppTheme.border),
+                                borderRadius: BorderRadius.circular(6),
+                              ),
+                              child: DropdownButton<String>(
+                                value: _printer,
+                                isExpanded: true,
+                                isDense: true,
+                                style: const TextStyle(
+                                    fontSize: 13,
+                                    color: AppTheme.textPrimary),
+                                items: _printers
+                                    .map((p) => DropdownMenuItem(
+                                          value: p,
+                                          child: Text(p,
+                                              overflow:
+                                                  TextOverflow.ellipsis),
+                                        ))
+                                    .toList(),
+                                onChanged: _printing
+                                    ? null
+                                    : (v) async {
+                                        if (v == null) return;
+                                        setState(() => _printer = v);
+                                        final prefs = await SharedPreferences
+                                            .getInstance();
+                                        await prefs.setString(
+                                            _kPrinterKey, v);
+                                      },
+                              ),
+                            ),
+                          ),
+                  ),
+                ],
+              ),
+            ),
+            const SizedBox(height: 8),
+
+            // ── 主体：缩略图条 + 大图 ─────────────────────────────────────────
+            Expanded(
+              child: Padding(
+                padding: const EdgeInsets.symmetric(horizontal: 12),
+                child: Row(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    if (isMulti)
+                      SizedBox(
+                        width: 148,
+                        child: ListView.builder(
+                          itemCount: widget.labels.length,
+                          itemBuilder: (_, i) => _buildThumbnail(i),
+                        ),
+                      ),
+                    if (isMulti) const SizedBox(width: 8),
+                    Expanded(child: _buildMainPreview()),
+                  ],
+                ),
+              ),
+            ),
+
+            // ── 底栏 ─────────────────────────────────────────────────────────
+            Padding(
+              padding: const EdgeInsets.fromLTRB(16, 6, 16, 14),
+              child: Row(
+                children: [
+                  if (_status.isNotEmpty)
+                    Expanded(
+                      child: Text(
+                        _status,
+                        style: const TextStyle(
+                            fontSize: 12, color: AppTheme.textSecondary),
+                      ),
+                    )
+                  else
+                    const Spacer(),
+                  TextButton(
+                    onPressed:
+                        _printing ? null : () => Navigator.of(context).pop(),
+                    child: const Text('取消'),
+                  ),
+                  const SizedBox(width: 8),
+                  FilledButton(
+                    onPressed: (_printing || totalCount == 0) ? null : _doPrint,
+                    child: Text(
+                        _printing ? '打印中...' : '打印 $totalCount 张'),
+                  ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}