ci: 新增仅构建 Windows 的 workflow (build-windows.yml)

手动 workflow_dispatch 或推 winbuild* tag 触发，复用 provision/compile-windows.sh，产物经 upload-artifact 传到 Forgejo，不触发完整 deploy。 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
feat(client): 标签 TSPL 裸发支持 Windows（winspool WritePrinter）
2026-06-13 20:46:55 +08:00 · 2026-06-13 20:42:49 +08:00 · 2026-06-13 20:26:30 +08:00
7 changed files with 484 additions and 224 deletions
@@ -0,0 +1,42 @@
+name: Build Windows Only
+
+# 仅构建 Windows 桌面版（不触发完整 deploy）。
+# 触发方式：
+#   - 手动 workflow_dispatch（可填 ver）
+#   - 推送 winbuild* 轻量 tag（如 winbuild1），不与 deploy.yml 的 v* tag 冲突
+on:
+  workflow_dispatch:
+    inputs:
+      ver:
+        description: '版本号 (如 v1.0.4)'
+        required: false
+        default: 'v1.0.4'
+        type: string
+  push:
+    tags:
+      - 'winbuild*'
+
+jobs:
+  build-windows:
+    runs-on: windows
+    env:
+      GOPROXY: https://goproxy.cn,direct
+      PUB_HOSTED_URL: https://pub.flutter-io.cn
+      FLUTTER_STORAGE_BASE_URL: https://storage.flutter-io.cn
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Provision (idempotent — auto-runs if host not initialized)
+        shell: bash
+        run: sh scripts/ci/provision-windows.sh
+
+      - name: Compile (Flutter Windows)
+        shell: bash
+        run: sh scripts/ci/compile-windows.sh "${{ inputs.ver || 'v1.0.4' }}"
+
+      - name: Upload windows artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: jiu-windows
+          path: dist/
@@ -1,5 +1,20 @@
-import 'dart:io' show Platform;
-import 'package:flutter/foundation.dart' show kIsWeb;
+import 'dart:io' show Platform, Process, File, Directory;
+import 'dart:convert' show ascii;
+import 'dart:typed_data';
+import 'dart:ui' as ui;
+import 'dart:ffi';
+import 'package:ffi/ffi.dart';
+import 'package:win32/win32.dart'
+    show
+        OpenPrinter,
+        StartDocPrinter,
+        StartPagePrinter,
+        WritePrinter,
+        EndPagePrinter,
+        EndDocPrinter,
+        ClosePrinter,
+        DOC_INFO_1;
+import 'package:flutter/foundation.dart' show kIsWeb, debugPrint;
 import 'package:flutter/services.dart';
 import '../errors/error_reporter.dart';
 import 'package:pdf/pdf.dart';
@@ -29,26 +44,239 @@ String _fileTs() {
 // ── 设计色彩 token ──────────────────────────────────────────────────────────
 const _navy     = PdfColor(0.122, 0.165, 0.227);  // #1F2A3A  header/chip
 const _cream    = PdfColor(0.957, 0.925, 0.847);  // #F4ECD8  footer/reversed text
-const _muted    = PdfColor(0.533, 0.533, 0.533);  // #888     field labels
 const _footnote = PdfColor(0.353, 0.306, 0.208);  // #5A4E35  footer text
 const _ink      = PdfColor(0.067, 0.067, 0.067);  // #111     body text

-pw.Widget _labelSpecRow(pw.Font font, String label, String value) =>
-    pw.Row(
-      crossAxisAlignment: pw.CrossAxisAlignment.start,
-      children: [
-        pw.SizedBox(
-          width: 30,
-          child: pw.Text(label,
-              style: pw.TextStyle(font: font, fontSize: 5.5, color: _muted)),
-        ),
-        pw.SizedBox(width: 4),
-        pw.Expanded(
-          child: pw.Text(value,
-              style: pw.TextStyle(font: font, fontSize: 5.5, color: _ink)),
-        ),
-      ],
-    );
+// ── 热敏标签 TSPL 裸发（桌面端：dart:ui 画扁平标签位图 → BITMAP → lp -o raw）────────
+// 得力 DL-888B 等热敏机走系统打印(CUPS 通用驱动)会多走纸/空白，必须发原生 TSPL。
+// 直接画位图而非走 PDF 光栅化：避免二维码渲染丢失、SIZE 用整数避免多走纸。
+
+bool _isThermalName(String n) {
+  final lo = n.toLowerCase();
+  return lo.contains('dl-888') ||
+      lo.contains('dl_888') ||
+      lo.contains('888b') ||
+      lo.contains('deli');
+}
+
+/// 查找热敏标签机（名字含 DL-888 / 888B / Deli）。
+/// macOS: CUPS 队列名(lpstat -e)；Windows: 打印机名(Printing.listPrinters)。
+Future<String?> _findThermalPrinter() async {
+  if (Platform.isMacOS) {
+    try {
+      final r = await Process.run('lpstat', ['-e']);
+      if (r.exitCode == 0) {
+        for (final raw in (r.stdout as String).split('\n')) {
+          final q = raw.trim();
+          if (q.isNotEmpty && _isThermalName(q)) return q;
+        }
+      }
+    } catch (e) {
+      debugPrint('[label] lpstat 失败: $e');
+    }
+    return null;
+  }
+  if (Platform.isWindows) {
+    try {
+      for (final p in await Printing.listPrinters()) {
+        if (_isThermalName(p.name)) return p.name;
+      }
+    } catch (e) {
+      debugPrint('[label] listPrinters 失败: $e');
+    }
+    return null;
+  }
+  return null;
+}
+
+/// 把裸 TSPL 字节发送到打印机：
+/// macOS/Linux 用 `lp -o raw`；Windows 用 winspool WritePrinter。失败抛异常。
+Future<void> _sendRaw(String printer, Uint8List tspl) async {
+  if (Platform.isWindows) {
+    if (!_winRawPrint(printer, tspl)) {
+      throw Exception('Windows 裸发失败: $printer');
+    }
+    return;
+  }
+  final f = File(
+      '${Directory.systemTemp.path}/label_${DateTime.now().millisecondsSinceEpoch}.tspl');
+  await f.writeAsBytes(tspl, flush: true);
+  final r = await Process.run('lp', ['-d', printer, '-o', 'raw', f.path]);
+  debugPrint('[label] lp exit=${r.exitCode} out=${r.stdout} err=${r.stderr}');
+  if (r.exitCode != 0) {
+    throw Exception('lp 裸发失败(exit ${r.exitCode}): ${r.stderr}');
+  }
+}
+
+/// Windows: 通过 winspool 以 RAW 数据类型把字节直接送进打印队列
+bool _winRawPrint(String printerName, Uint8List data) {
+  final pName = printerName.toNativeUtf16();
+  final phPrinter = calloc<IntPtr>();
+  final docName = 'jiu label'.toNativeUtf16();
+  final dataType = 'RAW'.toNativeUtf16();
+  final docInfo = calloc<DOC_INFO_1>();
+  final pcWritten = calloc<Uint32>();
+  final pData = calloc<Uint8>(data.length);
+  try {
+    if (OpenPrinter(pName, phPrinter, nullptr) == 0) {
+      debugPrint('[label] OpenPrinter 失败: $printerName');
+      return false;
+    }
+    final h = phPrinter.value;
+    docInfo.ref
+      ..pDocName = docName
+      ..pOutputFile = nullptr
+      ..pDatatype = dataType;
+    if (StartDocPrinter(h, 1, docInfo) == 0) {
+      ClosePrinter(h);
+      return false;
+    }
+    StartPagePrinter(h);
+    pData.asTypedList(data.length).setAll(0, data);
+    final ok = WritePrinter(h, pData.cast(), data.length, pcWritten);
+    EndPagePrinter(h);
+    EndDocPrinter(h);
+    ClosePrinter(h);
+    debugPrint('[label] WritePrinter ok=$ok written=${pcWritten.value}');
+    return ok != 0;
+  } finally {
+    calloc.free(pName);
+    calloc.free(phPrinter);
+    calloc.free(docName);
+    calloc.free(dataType);
+    calloc.free(docInfo);
+    calloc.free(pcWritten);
+    calloc.free(pData);
+  }
+}
+
+/// 在 canvas 上画一行文字（黑色，单行不换行，CJK 走系统字体回退）
+void _drawText(ui.Canvas canvas, String s, double x, double y, double size,
+    double maxW, {bool bold = false, bool center = false}) {
+  if (s.isEmpty) return;
+  final pb = ui.ParagraphBuilder(ui.ParagraphStyle(
+    fontSize: size,
+    fontWeight: bold ? ui.FontWeight.bold : ui.FontWeight.normal,
+    textAlign: center ? ui.TextAlign.center : ui.TextAlign.left,
+    maxLines: 1,
+    ellipsis: '',
+  ))
+    ..pushStyle(ui.TextStyle(color: const ui.Color(0xFF000000)))
+    ..addText(s);
+  final p = pb.build()..layout(ui.ParagraphConstraints(width: maxW));
+  canvas.drawParagraph(p, ui.Offset(x, y));
+}
+
+/// 测量单行文本在指定字号下的宽度
+double _measureWidth(String s, double size, bool bold) {
+  final pb = ui.ParagraphBuilder(ui.ParagraphStyle(
+    fontSize: size,
+    fontWeight: bold ? ui.FontWeight.bold : ui.FontWeight.normal,
+    maxLines: 1,
+  ))..addText(s);
+  final p = pb.build()..layout(const ui.ParagraphConstraints(width: 100000));
+  return p.maxIntrinsicWidth;
+}
+
+/// 自适应字号：在 maxW × maxH 范围内尽量大（受宽度、行高、上限三者约束）
+double _fitFont(String s, double maxW, double maxH, bool bold, double cap) {
+  if (s.isEmpty) return 0;
+  final w100 = _measureWidth(s, 100, bold);
+  final byW = w100 > 0 ? maxW / w100 * 100 : cap;
+  var size = byW < maxH ? byW : maxH;
+  if (size > cap) size = 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({
+  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(
+      recorder, ui.Rect.fromLTWH(0, 0, w.toDouble(), h.toDouble()));
+  canvas.drawRect(ui.Rect.fromLTWH(0, 0, w.toDouble(), h.toDouble()),
+      ui.Paint()..color = const ui.Color(0xFFFFFFFF));
+
+  // 右侧二维码（解码后端 PNG 直接画上）
+  const qrS = 124.0;
+  const qrTop = 8.0;
+  const qrLeft = w - qrS - 4; // 192
+  try {
+    final codec = await ui.instantiateImageCodec(qrBytes);
+    final qrImg = (await codec.getNextFrame()).image;
+    canvas.drawImageRect(
+        qrImg,
+        ui.Rect.fromLTWH(0, 0, qrImg.width.toDouble(), qrImg.height.toDouble()),
+        const ui.Rect.fromLTWH(qrLeft, qrTop, qrS, qrS),
+        ui.Paint());
+  } catch (e) {
+    debugPrint('[label] QR 解码失败: $e');
+  }
+  // 扫码溯源：居中于二维码正下方
+  _drawText(canvas, '扫码溯源', qrLeft, qrTop + qrS + 2, 14, qrS, center: true);
+
+  // 左侧文字（无字段名标签）：按行等比分配高度铺满，字号自适应填充
+  const lx = 22.0;
+  const textMaxW = qrLeft - lx - 6; // 164
+  final rows = <(String, double, bool)>[
+    (shop, 0.9, true),
+    (name, 1.5, true),
+    if (degSpec.isNotEmpty) (degSpec, 1.05, false),
+    if (date.isNotEmpty) (date, 1.0, false),
+  ];
+  const topY = 4.0, botY = 156.0;
+  final totalWeight = rows.fold<double>(0, (a, r) => a + r.$2);
+  double yy = topY;
+  for (final r in rows) {
+    final rowH = (botY - topY) * r.$2 / totalWeight;
+    final fs = _fitFont(r.$1, textMaxW, rowH * 0.84, r.$3, 30);
+    final ty = yy + (rowH - fs * 1.25) / 2;
+    _drawText(canvas, r.$1, lx, ty < yy ? yy : ty, fs, textMaxW, bold: r.$3);
+    yy += rowH;
+  }
+
+  final img = await recorder.endRecording().toImage(w, h);
+  final bd = await img.toByteData(format: ui.ImageByteFormat.rawRgba);
+  final rgba = bd!.buffer.asUint8List();
+
+  // 打包 TSPL（SIZE 用整数，避免固件不认小数导致多走纸）
+  const wbytes = (w + 7) >> 3;
+  final out = BytesBuilder();
+  out.add(ascii.encode('SIZE 40 mm,20 mm\r\nGAP 2 mm,0 mm\r\nDIRECTION 1\r\n'
+      'REFERENCE 0,0\r\nDENSITY 10\r\nSPEED 2\r\nCLS\r\n'
+      'BITMAP 0,0,$wbytes,$h,1,'));
+  for (int yy = 0; yy < h; yy++) {
+    final row = Uint8List(wbytes)..fillRange(0, wbytes, 0xFF); // 默认白 bit=1
+    for (int xx = 0; xx < w; xx++) {
+      final i = (yy * w + xx) * 4;
+      final a = rgba[i + 3];
+      final lum = a < 128
+          ? 255.0
+          : 0.299 * rgba[i] + 0.587 * rgba[i + 1] + 0.114 * rgba[i + 2];
+      if (lum < 128) row[xx >> 3] &= ~(0x80 >> (xx & 7)); // 黑点 -> bit0
+    }
+    out.add(row);
+  }
+  out.add(ascii.encode('\r\nPRINT 1,1\r\n'));
+  final tspl = out.toBytes();
+
+  debugPrint('[label] flat tspl ${tspl.length}B -> $printer');
+  await _sendRaw(printer, tspl);
+  return true;
+}

 Future<void> printProductLabelImpl({
  required Uint8List qrBytes,
@@ -68,19 +296,30 @@ Future<void> printProductLabelImpl({
  final doc = pw.Document();
  final qrImage = pw.MemoryImage(qrBytes);

-  // Label: 4 × 2 inch
-  const labelW = 4.0 * PdfPageFormat.inch;
-  const labelH = 2.0 * PdfPageFormat.inch;
-  const headerH = labelH * 0.215;
-  const footerH = labelH * 0.09;
+  // Label: 40 × 20 mm（匹配实际标签纸尺寸）
+  const labelW = 40.0 * PdfPageFormat.mm;
+  const labelH = 20.0 * PdfPageFormat.mm;
+  const headerH = labelH * 0.20;
+  const footerH = labelH * 0.11;

-  final specVal   = (spec ?? '').isNotEmpty ? spec! : '—';
-  final seriesVal = (series ?? '').isNotEmpty ? series! : '—';
-  final batchVal  = (batchNo ?? '').isNotEmpty ? batchNo! : '—';
+  final specVal   = (spec ?? '').isNotEmpty ? spec! : '';
+  final seriesVal = (series ?? '').isNotEmpty ? series! : '';
+  // 度数(系列) + 规格 同一行
+  final degSpecVal = [seriesVal, specVal].where((s) => s.isNotEmpty).join(' ');
  final dateVal   = (productionDate ?? '').isNotEmpty
      ? (productionDate!.length > 10 ? productionDate.substring(0, 10) : productionDate)
      : '—';

+  // 桌面端热敏机：直接画扁平标签位图 + TSPL 裸发（不走会多走纸的系统打印）
+  if (await _printFlatLabelThermal(
+      shop: shopName,
+      name: name,
+      degSpec: degSpecVal,
+      date: dateVal == '—' ? '' : dateVal, // 无生产日期(商品详情)则不显示该行
+      qrBytes: qrBytes)) {
+    return;
+  }
+
  final contact = [
    if (shopAddress.isNotEmpty) shopAddress,
    if (shopPhone.isNotEmpty) shopPhone,
@@ -104,32 +343,22 @@ Future<void> printProductLabelImpl({
        pw.Container(
          height: headerH,
          color: _navy,
-          padding: const pw.EdgeInsets.symmetric(horizontal: 11),
-          child: pw.Row(
-            mainAxisAlignment: pw.MainAxisAlignment.spaceBetween,
-            crossAxisAlignment: pw.CrossAxisAlignment.center,
-            children: [
-              pw.Flexible(
-                child: pw.Text(shopName,
-                    style: pw.TextStyle(
-                      font: font, fontSize: 13,
-                      fontWeight: pw.FontWeight.bold,
-                      color: _cream, letterSpacing: 1.5,
-                    )),
-              ),
-              pw.Text('Certificate of Authenticity',
-                  style: pw.TextStyle(
-                      font: font, fontSize: 5,
-                      color: const PdfColor(0.82, 0.79, 0.72))),
-            ],
-          ),
+          padding: const pw.EdgeInsets.symmetric(horizontal: 4),
+          alignment: pw.Alignment.centerLeft,
+          child: pw.Text(shopName,
+              maxLines: 1, overflow: pw.TextOverflow.clip,
+              style: pw.TextStyle(
+                font: font, fontSize: 6,
+                fontWeight: pw.FontWeight.bold,
+                color: _cream, letterSpacing: 0.5,
+              )),
        ),

        // ── Body ─────────────────────────────────────────────────────────────
        pw.Expanded(
          child: pw.Container(
            color: PdfColors.white,
-            padding: const pw.EdgeInsets.fromLTRB(11, 8, 11, 6),
+            padding: const pw.EdgeInsets.fromLTRB(4, 2, 4, 2),
            child: pw.Row(
              crossAxisAlignment: pw.CrossAxisAlignment.center,
              children: [
@@ -138,38 +367,41 @@ Future<void> printProductLabelImpl({
                    mainAxisAlignment: pw.MainAxisAlignment.center,
                    crossAxisAlignment: pw.CrossAxisAlignment.start,
                    children: [
-                      // 商品名
+                      // 商品名（过长自动缩小并最多两行）
                      pw.Text(name,
+                          maxLines: 2,
+                          overflow: pw.TextOverflow.clip,
                          style: pw.TextStyle(
-                              font: font, fontSize: 12,
+                              font: font,
+                              fontSize: name.runes.length > 10
+                                  ? 5.5
+                                  : (name.runes.length > 7 ? 6.5 : 7.5),
                              fontWeight: pw.FontWeight.bold,
-                              color: _ink, letterSpacing: 0.5)),
-                      pw.SizedBox(height: 6),
-                      // 规格 + 系列
-                      _label2ColRow(font, '规  格', specVal, '系  列', seriesVal),
-                      pw.SizedBox(height: 3),
-                      // 批号 + 生产日期
-                      _label2ColRow(font, '批  号', batchVal, '生产日期', dateVal),
-                      if ((remark ?? '').isNotEmpty) ...[
-                        pw.SizedBox(height: 3),
-                        _labelSpecRow(font, '备  注', remark!),
-                      ],
+                              color: _ink, letterSpacing: 0.3)),
+                      pw.SizedBox(height: 2.5),
+                      // 度数(系列) + 规格 同一行, 无字段名标签
+                      pw.Text(degSpecVal,
+                          style: pw.TextStyle(font: font, fontSize: 5.5, color: _ink)),
+                      pw.SizedBox(height: 1.5),
+                      // 生产日期（只显示日期，无标签）
+                      pw.Text(dateVal,
+                          style: pw.TextStyle(font: font, fontSize: 5.5, color: _ink)),
                    ],
                  ),
                ),
-                pw.SizedBox(width: 8),
+                pw.SizedBox(width: 4),
                // QR
                pw.Column(
                  mainAxisAlignment: pw.MainAxisAlignment.center,
                  children: [
                    pw.SizedBox(
-                      width: 60, height: 60,
+                      width: 38, height: 38,
                      child: pw.Image(qrImage, fit: pw.BoxFit.contain),
                    ),
-                    pw.SizedBox(height: 3),
+                    pw.SizedBox(height: 1),
                    pw.Text('扫码溯源',
                        style: pw.TextStyle(
-                            font: font, fontSize: 4.5,
+                            font: font, fontSize: 3.5,
                            color: PdfColors.grey600)),
                  ],
                ),
@@ -182,17 +414,18 @@ Future<void> printProductLabelImpl({
        pw.Container(
          height: footerH,
          color: _cream,
-          padding: const pw.EdgeInsets.symmetric(horizontal: 11),
+          padding: const pw.EdgeInsets.symmetric(horizontal: 4),
          child: pw.Row(
            mainAxisAlignment: pw.MainAxisAlignment.spaceBetween,
            crossAxisAlignment: pw.CrossAxisAlignment.center,
            children: [
              pw.Flexible(
                child: pw.Text(footerLeft,
-                    style: pw.TextStyle(font: font, fontSize: 4, color: _footnote)),
+                    maxLines: 1, overflow: pw.TextOverflow.clip,
+                    style: pw.TextStyle(font: font, fontSize: 3, color: _footnote)),
              ),
              pw.Text(genTime,
-                  style: pw.TextStyle(font: font, fontSize: 4, color: _footnote)),
+                  style: pw.TextStyle(font: font, fontSize: 3, color: _footnote)),
            ],
          ),
        ),
@@ -207,42 +440,15 @@ Future<void> printProductLabelImpl({
      await Future<void>.delayed(Duration.zero);
    }
    await Printing.layoutPdf(
-        name: '标签_${_fileTs()}', onLayout: (_) async => bytes);
+        name: '标签_${_fileTs()}',
+        dynamicLayout: false,
+        onLayout: (_) async => bytes);
  } catch (e, st) {
    reportError(e, st);
    throw Exception('打印失败，请检查打印机连接和驱动是否正常。\n详情：$e');
  }
 }

-pw.Widget _label2ColRow(
-    pw.Font font, String lbl1, String val1, String lbl2, String val2) {
-  return pw.Row(
-    children: [
-      pw.SizedBox(
-        width: 28,
-        child: pw.Text(lbl1,
-            style: pw.TextStyle(font: font, fontSize: 5.5, color: _muted)),
-      ),
-      pw.SizedBox(width: 3),
-      pw.Expanded(
-        child: pw.Text(val1,
-            style: pw.TextStyle(font: font, fontSize: 5.5, color: _ink)),
-      ),
-      pw.SizedBox(width: 6),
-      pw.SizedBox(
-        width: 28,
-        child: pw.Text(lbl2,
-            style: pw.TextStyle(font: font, fontSize: 5.5, color: _muted)),
-      ),
-      pw.SizedBox(width: 3),
-      pw.Expanded(
-        child: pw.Text(val2,
-            style: pw.TextStyle(font: font, fontSize: 5.5, color: _ink)),
-      ),
-    ],
-  );
-}
-
 pw.Widget _buildOrderDoc({
  required pw.Font font,
  required pw.Font bold,
@@ -452,7 +658,9 @@ Future<void> printStockInOrderImpl(StockInOrder order) async {
      await Future<void>.delayed(Duration.zero);
    }
    await Printing.layoutPdf(
-        name: '入库单_${_fileTs()}', onLayout: (_) async => bytes);
+        name: '入库单_${_fileTs()}',
+        dynamicLayout: false,
+        onLayout: (_) async => bytes);
  } catch (e, st) {
    reportError(e, st);
    throw Exception('打印失败，请检查打印机连接和驱动是否正常。\n详情：$e');
@@ -512,7 +720,9 @@ Future<void> printStockOutOrderImpl(StockOutOrder order) async {
      await Future<void>.delayed(Duration.zero);
    }
    await Printing.layoutPdf(
-        name: '出库单_${_fileTs()}', onLayout: (_) async => bytes);
+        name: '出库单_${_fileTs()}',
+        dynamicLayout: false,
+        onLayout: (_) async => bytes);
  } catch (e, st) {
    reportError(e, st);
    throw Exception('打印失败，请检查打印机连接和驱动是否正常。\n详情：$e');
@@ -30,11 +30,16 @@ Future<void> printProductLabelImpl({
 }) async {
  final base64Img = base64Encode(qrBytes);

-  final specVal  = (spec ?? '').isNotEmpty ? spec! : '—';
-  final batchVal = (batchNo ?? '').isNotEmpty ? batchNo! : '—';
+  final specVal   = (spec ?? '').isNotEmpty ? spec! : '';
+  final seriesVal = (series ?? '').isNotEmpty ? series! : '';
+  // 度数(系列) + 规格 同一行
+  final degSpecVal = [seriesVal, specVal].where((s) => s.isNotEmpty).join('  ');
  final dateVal  = (productionDate ?? '').isNotEmpty
      ? (productionDate!.length > 10 ? productionDate.substring(0, 10) : productionDate)
      : '—';
+  // 商品名过长时缩小字号（适当缩小，配合两行折行）
+  final nameLen = name.runes.length;
+  final nameFontPt = nameLen > 11 ? 5.0 : (nameLen > 8 ? 5.8 : 6.5);

  final contactLine = [
    if (shopPhone.isNotEmpty) shopPhone,
@@ -85,9 +90,10 @@ body { width: 38mm; height: 20mm; overflow: hidden; background: #fff; }
  overflow: hidden;
 }
 .product-name {
-  font-size: 6.5pt; font-weight: 700; line-height: 1.2;
-  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
-  margin-bottom: 0.8mm;
+  font-size: 6.5pt; font-weight: 700; line-height: 1.15;
+  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2;
+  overflow: hidden; word-break: break-all;
+  margin-bottom: 0.6mm;
 }
 .specs {
  display: flex; flex-direction: column; gap: 0.5mm;
@@ -102,12 +108,12 @@ body { width: 38mm; height: 20mm; overflow: hidden; background: #fff; }

 /* 右：二维码 */
 .qr-wrap {
-  width: 14mm; flex-shrink: 0;
+  width: 16mm; flex-shrink: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 0.3mm;
-  padding: 0.5mm 0.5mm 0.5mm 0;
+  padding: 0.3mm 0.3mm 0.3mm 0;
 }
-.qr-wrap img { width: 12mm; height: 12mm; object-fit: contain; }
+.qr-wrap img { width: 14.5mm; height: 14.5mm; object-fit: contain; }
 .qr-cap { font-size: 3pt; color: #aaa; letter-spacing: 0.1em; }

 /* ── Footer：联系方式 3mm ── */
@@ -129,11 +135,10 @@ body { width: 38mm; height: 20mm; overflow: hidden; background: #fff; }

  <div class="middle">
    <div class="info">
-      <div class="product-name">$name</div>
+      <div class="product-name" style="font-size:${nameFontPt}pt">$name</div>
      <div class="specs">
-        <div class="spec-row"><span class="lbl">规</span><span class="val">$specVal</span></div>
-        <div class="spec-row"><span class="lbl">批</span><span class="val">$batchVal</span></div>
-        <div class="spec-row"><span class="lbl">产</span><span class="val">$dateVal</span></div>
+        <div class="spec-row"><span class="val">$degSpecVal</span></div>
+        <div class="spec-row"><span class="val">$dateVal</span></div>
      </div>
    </div>
    <div class="qr-wrap">
@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>com.apple.security.app-sandbox</key>
-	<true/>
+	<false/>
 	<key>com.apple.security.cs.allow-jit</key>
 	<true/>
 	<key>com.apple.security.network.client</key>
@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>com.apple.security.app-sandbox</key>
-	<true/>
+	<false/>
 	<key>com.apple.security.network.client</key>
 	<true/>
 	<key>com.apple.security.files.downloads.read-write</key>
@@ -6,7 +6,7 @@ packages:
    description:
      name: archive
      sha256: cb6a278ef2dbb298455e1a713bda08524a175630ec643a242c399c932a0a1f7d
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.6.1"
  args:
@@ -14,7 +14,7 @@ packages:
    description:
      name: args
      sha256: d0481093c50b1da8910eb0bb301626d4d8eb7284aa739614d2b394ee09e3ea04
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.7.0"
  async:
@@ -22,7 +22,7 @@ packages:
    description:
      name: async
      sha256: e2eb0491ba5ddb6177742d2da23904574082139b07c1e33b8503b9f46f3e1a37
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.13.1"
  barcode:
@@ -30,7 +30,7 @@ packages:
    description:
      name: barcode
      sha256: "7b6729c37e3b7f34233e2318d866e8c48ddb46c1f7ad01ff7bb2a8de1da2b9f4"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.2.9"
  bidi:
@@ -38,7 +38,7 @@ packages:
    description:
      name: bidi
      sha256: "77f475165e94b261745cf1032c751e2032b8ed92ccb2bf5716036db79320637d"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.0.13"
  boolean_selector:
@@ -46,7 +46,7 @@ packages:
    description:
      name: boolean_selector
      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.1.2"
  characters:
@@ -54,7 +54,7 @@ packages:
    description:
      name: characters
      sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.4.1"
  clock:
@@ -62,7 +62,7 @@ packages:
    description:
      name: clock
      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.1.2"
  code_assets:
@@ -70,7 +70,7 @@ packages:
    description:
      name: code_assets
      sha256: bf394f466ba9205f1812a0433b392d6af280f155f56651eda7c18cc32ed493b8
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.2.1"
  collection:
@@ -78,7 +78,7 @@ packages:
    description:
      name: collection
      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.19.1"
  cross_file:
@@ -86,7 +86,7 @@ packages:
    description:
      name: cross_file
      sha256: "28bb3ae56f117b5aec029d702a90f57d285cd975c3c5c281eaca38dbc47c5937"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.3.5+2"
  crypto:
@@ -94,7 +94,7 @@ packages:
    description:
      name: crypto
      sha256: c8ea0233063ba03258fbcf2ca4d6dadfefe14f02fab57702265467a19f27fadf
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.0.7"
  dio:
@@ -102,7 +102,7 @@ packages:
    description:
      name: dio
      sha256: aff32c08f92787a557dd5c0145ac91536481831a01b4648136373cddb0e64f8c
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "5.9.2"
  dio_web_adapter:
@@ -110,7 +110,7 @@ packages:
    description:
      name: dio_web_adapter
      sha256: "2f9e64323a7c3c7ef69567d5c800424a11f8337b8b228bad02524c9fb3c1f340"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.1.2"
  equatable:
@@ -118,7 +118,7 @@ packages:
    description:
      name: equatable
      sha256: "3e0141505477fd8ad55d6eb4e7776d3fe8430be8e497ccb1521370c3f21a3e2b"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.0.8"
  excel:
@@ -126,7 +126,7 @@ packages:
    description:
      name: excel
      sha256: "1a15327dcad260d5db21d1f6e04f04838109b39a2f6a84ea486ceda36e468780"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "4.0.6"
  fake_async:
@@ -134,15 +134,15 @@ packages:
    description:
      name: fake_async
      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.3.3"
  ffi:
-    dependency: transitive
+    dependency: "direct main"
    description:
      name: ffi
      sha256: "6d7fd89431262d8f3125e81b50d3847a091d846eafcd4fdb88dd06f36d705a45"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.2.0"
  file:
@@ -150,7 +150,7 @@ packages:
    description:
      name: file
      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "7.0.1"
  file_picker:
@@ -158,7 +158,7 @@ packages:
    description:
      name: file_picker
      sha256: ab13ae8ef5580a411c458d6207b6774a6c237d77ac37011b13994879f68a8810
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "8.3.7"
  file_selector_linux:
@@ -166,7 +166,7 @@ packages:
    description:
      name: file_selector_linux
      sha256: "2567f398e06ac72dcf2e98a0c95df2a9edd03c2c2e0cacd4780f20cdf56263a0"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.9.4"
  file_selector_macos:
@@ -174,7 +174,7 @@ packages:
    description:
      name: file_selector_macos
      sha256: "5e0bbe9c312416f1787a68259ea1505b52f258c587f12920422671807c4d618a"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.9.5"
  file_selector_platform_interface:
@@ -182,7 +182,7 @@ packages:
    description:
      name: file_selector_platform_interface
      sha256: "35e0bd61ebcdb91a3505813b055b09b79dfdc7d0aee9c09a7ba59ae4bb13dc85"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.7.0"
  file_selector_windows:
@@ -190,7 +190,7 @@ packages:
    description:
      name: file_selector_windows
      sha256: "62197474ae75893a62df75939c777763d39c2bc5f73ce5b88497208bc269abfd"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.9.3+5"
  flutter:
@@ -203,7 +203,7 @@ packages:
    description:
      name: flutter_lints
      sha256: "3f41d009ba7172d5ff9be5f6e6e6abb4300e263aab8866d2a0842ed2a70f8f0c"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "4.0.0"
  flutter_localizations:
@@ -216,7 +216,7 @@ packages:
    description:
      name: flutter_plugin_android_lifecycle
      sha256: "3854fe5e3bff0b113c658f260b90c95dea17c92db0f2addeac2e343dd9969785"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.0.35"
  flutter_riverpod:
@@ -224,7 +224,7 @@ packages:
    description:
      name: flutter_riverpod
      sha256: "9532ee6db4a943a1ed8383072a2e3eeda041db5657cdf6d2acecf3c21ecbe7e1"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.6.1"
  flutter_test:
@@ -242,7 +242,7 @@ packages:
    description:
      name: go_router
      sha256: f02fd7d2a4dc512fec615529824fdd217fecb3a3d3de68360293a551f21634b3
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "14.8.1"
  hooks:
@@ -250,7 +250,7 @@ packages:
    description:
      name: hooks
      sha256: "9a62a50b50b769a737bc0a8ff381f333529df3ab746b2f6b02e83760231455ba"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.0.2"
  http:
@@ -258,7 +258,7 @@ packages:
    description:
      name: http
      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.6.0"
  http_mock_adapter:
@@ -266,7 +266,7 @@ packages:
    description:
      name: http_mock_adapter
      sha256: "46399c78bd4a0af071978edd8c502d7aeeed73b5fb9860bca86b5ed647a63c1b"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.6.1"
  http_parser:
@@ -274,7 +274,7 @@ packages:
    description:
      name: http_parser
      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "4.1.2"
  image:
@@ -282,7 +282,7 @@ packages:
    description:
      name: image
      sha256: f31d52537dc417fdcde36088fdf11d191026fd5e4fae742491ebd40e5a8bea7d
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "4.3.0"
  image_picker:
@@ -290,7 +290,7 @@ packages:
    description:
      name: image_picker
      sha256: "91c025426c2881c551100bce834e201c835a170151545f58d17da5180ca7d9ac"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.2.2"
  image_picker_android:
@@ -298,7 +298,7 @@ packages:
    description:
      name: image_picker_android
      sha256: "6f3a1995eafb000333174fae92202622033b0ee7fd917a6cd3730295264df84a"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.8.13+19"
  image_picker_for_web:
@@ -306,7 +306,7 @@ packages:
    description:
      name: image_picker_for_web
      sha256: "66257a3191ab360d23a55c8241c91a6e329d31e94efa7be9cf7a212e65850214"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.1.1"
  image_picker_ios:
@@ -314,7 +314,7 @@ packages:
    description:
      name: image_picker_ios
      sha256: b9c4a438a9ff4f60808c9cf0039b93a42bb6c2211ef6ebb647394b2b3fa84588
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.8.13+6"
  image_picker_linux:
@@ -322,7 +322,7 @@ packages:
    description:
      name: image_picker_linux
      sha256: "1f81c5f2046b9ab724f85523e4af65be1d47b038160a8c8deed909762c308ed4"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.2.2"
  image_picker_macos:
@@ -330,7 +330,7 @@ packages:
    description:
      name: image_picker_macos
      sha256: "86f0f15a309de7e1a552c12df9ce5b59fe927e71385329355aec4776c6a8ec91"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.2.2+1"
  image_picker_platform_interface:
@@ -338,7 +338,7 @@ packages:
    description:
      name: image_picker_platform_interface
      sha256: "567e056716333a1647c64bb6bd873cff7622233a5c3f694be28a583d4715690c"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.11.1"
  image_picker_windows:
@@ -346,7 +346,7 @@ packages:
    description:
      name: image_picker_windows
      sha256: d248c86554a72b5495a31c56f060cf73a41c7ff541689327b1a7dbccc33adfae
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.2.2"
  intl:
@@ -354,7 +354,7 @@ packages:
    description:
      name: intl
      sha256: "3df61194eb431efc39c4ceba583b95633a403f46c9fd341e550ce0bfa50e9aa5"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.20.2"
  jni:
@@ -362,7 +362,7 @@ packages:
    description:
      name: jni
      sha256: c2230682d5bc2362c1c9e8d3c7f406d9cbba23ab3f2e203a025dd47e0fb2e68f
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.0.0"
  jni_flutter:
@@ -370,7 +370,7 @@ packages:
    description:
      name: jni_flutter
      sha256: "8b59e590786050b1cd866677dddaf76b1ade5e7bc751abe04b86e84d379d3ba6"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.0.1"
  leak_tracker:
@@ -378,7 +378,7 @@ packages:
    description:
      name: leak_tracker
      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "11.0.2"
  leak_tracker_flutter_testing:
@@ -386,7 +386,7 @@ packages:
    description:
      name: leak_tracker_flutter_testing
      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.0.10"
  leak_tracker_testing:
@@ -394,7 +394,7 @@ packages:
    description:
      name: leak_tracker_testing
      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.0.2"
  lints:
@@ -402,7 +402,7 @@ packages:
    description:
      name: lints
      sha256: "976c774dd944a42e83e2467f4cc670daef7eed6295b10b36ae8c85bcbf828235"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "4.0.0"
  logger:
@@ -410,7 +410,7 @@ packages:
    description:
      name: logger
      sha256: "25aee487596a6257655a1e091ec2ae66bc30e7af663592cc3a27e6591e05035c"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.7.0"
  logging:
@@ -418,7 +418,7 @@ packages:
    description:
      name: logging
      sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.3.0"
  lpinyin:
@@ -426,7 +426,7 @@ packages:
    description:
      name: lpinyin
      sha256: "0bb843363f1f65170efd09fbdfc760c7ec34fc6354f9fcb2f89e74866a0d814a"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.0.3"
  matcher:
@@ -434,7 +434,7 @@ packages:
    description:
      name: matcher
      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.12.19"
  material_color_utilities:
@@ -442,7 +442,7 @@ packages:
    description:
      name: material_color_utilities
      sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.13.0"
  meta:
@@ -450,7 +450,7 @@ packages:
    description:
      name: meta
      sha256: "1741988757a65eb6b36abe716829688cf01910bbf91c34354ff7ec1c3de2b349"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.18.0"
  mime:
@@ -458,7 +458,7 @@ packages:
    description:
      name: mime
      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.0.0"
  objective_c:
@@ -466,7 +466,7 @@ packages:
    description:
      name: objective_c
      sha256: "6cb691c686fa2838c6deb34980d426145c2a5d537491cb83d463c33cdbc726ed"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "9.4.1"
  package_config:
@@ -474,7 +474,7 @@ packages:
    description:
      name: package_config
      sha256: f096c55ebb7deb7e384101542bfba8c52696c1b56fca2eb62827989ef2353bbc
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.2.0"
  package_info_plus:
@@ -482,7 +482,7 @@ packages:
    description:
      name: package_info_plus
      sha256: "16eee997588c60225bda0488b6dcfac69280a6b7a3cf02c741895dd370a02968"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "8.3.1"
  package_info_plus_platform_interface:
@@ -490,7 +490,7 @@ packages:
    description:
      name: package_info_plus_platform_interface
      sha256: "202a487f08836a592a6bd4f901ac69b3a8f146af552bbd14407b6b41e1c3f086"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.2.1"
  path:
@@ -498,7 +498,7 @@ packages:
    description:
      name: path
      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.9.1"
  path_parsing:
@@ -506,7 +506,7 @@ packages:
    description:
      name: path_parsing
      sha256: "883402936929eac138ee0a45da5b0f2c80f89913e6dc3bf77eb65b84b409c6ca"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.1.0"
  path_provider:
@@ -514,7 +514,7 @@ packages:
    description:
      name: path_provider
      sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.1.5"
  path_provider_android:
@@ -522,7 +522,7 @@ packages:
    description:
      name: path_provider_android
      sha256: "69cbd515a62b94d32a7944f086b2f82b4ac40a1d45bebfc00813a430ab2dabcd"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.3.1"
  path_provider_foundation:
@@ -530,7 +530,7 @@ packages:
    description:
      name: path_provider_foundation
      sha256: "2a376b7d6392d80cd3705782d2caa734ca4727776db0b6ec36ef3f1855197699"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.6.0"
  path_provider_linux:
@@ -538,7 +538,7 @@ packages:
    description:
      name: path_provider_linux
      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.2.1"
  path_provider_platform_interface:
@@ -546,7 +546,7 @@ packages:
    description:
      name: path_provider_platform_interface
      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.1.2"
  path_provider_windows:
@@ -554,7 +554,7 @@ packages:
    description:
      name: path_provider_windows
      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.3.0"
  pdf:
@@ -562,7 +562,7 @@ packages:
    description:
      name: pdf
      sha256: e47a275b267873d5944ad5f5ff0dcc7ac2e36c02b3046a0ffac9b72fd362c44b
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.12.0"
  pdf_widget_wrapper:
@@ -570,7 +570,7 @@ packages:
    description:
      name: pdf_widget_wrapper
      sha256: c930860d987213a3d58c7ec3b7ecf8085c3897f773e8dc23da9cae60a5d6d0f5
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.0.4"
  petitparser:
@@ -578,7 +578,7 @@ packages:
    description:
      name: petitparser
      sha256: "91bd59303e9f769f108f8df05e371341b15d59e995e6806aefab827b58336675"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "7.0.2"
  platform:
@@ -586,7 +586,7 @@ packages:
    description:
      name: platform
      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.1.6"
  plugin_platform_interface:
@@ -594,7 +594,7 @@ packages:
    description:
      name: plugin_platform_interface
      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.1.8"
  printing:
@@ -602,7 +602,7 @@ packages:
    description:
      name: printing
      sha256: "689170c9ddb1bda85826466ba80378aa8993486d3c959a71cd7d2d80cb606692"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "5.14.3"
  pub_semver:
@@ -610,7 +610,7 @@ packages:
    description:
      name: pub_semver
      sha256: "5bfcf68ca79ef689f8990d1160781b4bad40a3bd5e5218ad4076ddb7f4081585"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.2.0"
  qr:
@@ -618,7 +618,7 @@ packages:
    description:
      name: qr
      sha256: "5a1d2586170e172b8a8c8470bbbffd5eb0cd38a66c0d77155ea138d3af3a4445"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.0.2"
  record_use:
@@ -626,7 +626,7 @@ packages:
    description:
      name: record_use
      sha256: "2551bd8eecfe95d14ae75f6021ad0248be5c27f138c2ec12fcb52b500b3ba1ed"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.6.0"
  riverpod:
@@ -634,7 +634,7 @@ packages:
    description:
      name: riverpod
      sha256: "59062512288d3056b2321804332a13ffdd1bf16df70dcc8e506e411280a72959"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.6.1"
  shared_preferences:
@@ -642,23 +642,23 @@ packages:
    description:
      name: shared_preferences
      sha256: c3025c5534b01739267eb7d76959bbc25a6d10f6988e1c2a3036940133dd10bf
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.5.5"
  shared_preferences_android:
    dependency: transitive
    description:
      name: shared_preferences_android
-      sha256: a2c49fc1fed7140cadd892d765bd47edbe4ac0b9c7e7e3c493dcb58126f99cf0
-      url: "https://pub.dev"
+      sha256: "93ae5884a9df5d3bb696825bceb3a17590754548b5d740eba51500afc8d088f5"
+      url: "https://pub.flutter-io.cn"
    source: hosted
-    version: "2.4.25"
+    version: "2.4.26"
  shared_preferences_foundation:
    dependency: transitive
    description:
      name: shared_preferences_foundation
      sha256: "4e7eaffc2b17ba398759f1151415869a34771ba11ebbccd1b0145472a619a64f"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.5.6"
  shared_preferences_linux:
@@ -666,7 +666,7 @@ packages:
    description:
      name: shared_preferences_linux
      sha256: "580abfd40f415611503cae30adf626e6656dfb2f0cee8f465ece7b6defb40f2f"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.4.1"
  shared_preferences_platform_interface:
@@ -674,7 +674,7 @@ packages:
    description:
      name: shared_preferences_platform_interface
      sha256: "649dc798a33931919ea356c4305c2d1f81619ea6e92244070b520187b5140ef9"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.4.2"
  shared_preferences_web:
@@ -682,7 +682,7 @@ packages:
    description:
      name: shared_preferences_web
      sha256: c49bd060261c9a3f0ff445892695d6212ff603ef3115edbb448509d407600019
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.4.3"
  shared_preferences_windows:
@@ -690,7 +690,7 @@ packages:
    description:
      name: shared_preferences_windows
      sha256: "94ef0f72b2d71bc3e700e025db3710911bd51a71cefb65cc609dd0d9a982e3c1"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.4.1"
  sky_engine:
@@ -703,7 +703,7 @@ packages:
    description:
      name: source_span
      sha256: "56a02f1f4cd1a2d96303c0144c93bd6d909eea6bee6bf5a0e0b685edbd4c47ab"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.10.2"
  stack_trace:
@@ -711,7 +711,7 @@ packages:
    description:
      name: stack_trace
      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.12.1"
  state_notifier:
@@ -719,7 +719,7 @@ packages:
    description:
      name: state_notifier
      sha256: b8677376aa54f2d7c58280d5a007f9e8774f1968d1fb1c096adcb4792fba29bb
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.0.0"
  stream_channel:
@@ -727,7 +727,7 @@ packages:
    description:
      name: stream_channel
      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.1.4"
  string_scanner:
@@ -735,7 +735,7 @@ packages:
    description:
      name: string_scanner
      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.4.1"
  term_glyph:
@@ -743,7 +743,7 @@ packages:
    description:
      name: term_glyph
      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.2.2"
  test_api:
@@ -751,7 +751,7 @@ packages:
    description:
      name: test_api
      sha256: "949a932224383300f01be9221c39180316445ecb8e7547f70a41a35bf421fb9e"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "0.7.11"
  typed_data:
@@ -759,7 +759,7 @@ packages:
    description:
      name: typed_data
      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.4.0"
  url_launcher:
@@ -767,7 +767,7 @@ packages:
    description:
      name: url_launcher
      sha256: f6a7e5c4835bb4e3026a04793a4199ca2d14c739ec378fdfe23fc8075d0439f8
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "6.3.2"
  url_launcher_android:
@@ -775,7 +775,7 @@ packages:
    description:
      name: url_launcher_android
      sha256: b413d49b73867ac08dd2f9890efd3cc11f2a0e577618d50843440a1fb3776c32
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "6.3.32"
  url_launcher_ios:
@@ -783,7 +783,7 @@ packages:
    description:
      name: url_launcher_ios
      sha256: "580fe5dfb51671ae38191d316e027f6b76272b026370708c2d898799750a02b0"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "6.4.1"
  url_launcher_linux:
@@ -791,7 +791,7 @@ packages:
    description:
      name: url_launcher_linux
      sha256: d5e14138b3bc193a0f63c10a53c94b91d399df0512b1f29b94a043db7482384a
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.2.2"
  url_launcher_macos:
@@ -799,7 +799,7 @@ packages:
    description:
      name: url_launcher_macos
      sha256: "368adf46f71ad3c21b8f06614adb38346f193f3a59ba8fe9a2fd74133070ba18"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.2.5"
  url_launcher_platform_interface:
@@ -807,7 +807,7 @@ packages:
    description:
      name: url_launcher_platform_interface
      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.3.2"
  url_launcher_web:
@@ -815,7 +815,7 @@ packages:
    description:
      name: url_launcher_web
      sha256: "85c81589622fbc87c1c683aaea164d3604a7777495a79d91e39ffcdec39ddb34"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.4.3"
  url_launcher_windows:
@@ -823,7 +823,7 @@ packages:
    description:
      name: url_launcher_windows
      sha256: "712c70ab1b99744ff066053cbe3e80c73332b38d46e5e945c98689b2e66fc15f"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.1.5"
  vector_math:
@@ -831,7 +831,7 @@ packages:
    description:
      name: vector_math
      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "2.2.0"
  vm_service:
@@ -839,7 +839,7 @@ packages:
    description:
      name: vm_service
      sha256: "0016aef94fc66495ac78af5859181e3f3bf2026bd8eecc72b9565601e19ab360"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "15.2.0"
  web:
@@ -847,15 +847,15 @@ packages:
    description:
      name: web
      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.1.1"
  win32:
-    dependency: transitive
+    dependency: "direct main"
    description:
      name: win32
      sha256: d7cb55e04cd34096cd3a79b3330245f54cb96a370a1c27adb3c84b917de8b08e
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "5.15.0"
  xdg_directories:
@@ -863,7 +863,7 @@ packages:
    description:
      name: xdg_directories
      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "1.1.0"
  xml:
@@ -871,7 +871,7 @@ packages:
    description:
      name: xml
      sha256: "971043b3a0d3da28727e40ed3e0b5d18b742fa5a68665cca88e74b7876d5e025"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "6.6.1"
  yaml:
@@ -879,7 +879,7 @@ packages:
    description:
      name: yaml
      sha256: b9da305ac7c39faa3f030eccd175340f968459dae4af175130b3fc47e40d76ce
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
    source: hosted
    version: "3.1.3"
 sdks:
@@ -26,6 +26,9 @@ dependencies:
  pdf: ^3.10.8
  web: ^1.1.0
  image_picker: ^1.2.2
+  # Windows 热敏机 TSPL 裸发（winspool WritePrinter），仅 Windows 运行时调用
+  win32: ^5.5.0
+  ffi: ^2.1.3

 dev_dependencies:
  flutter_test: