Compare commits
1 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
 wangjia
|
021c4f17cc |
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [1.0.86] - 2026-06-27
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### 修复
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- 修复出库单 / 入库单打印时左侧竖线总是画满整页、与单据内容长度不一致的问题：现竖线随内容自动收缩，单据较短或跨页最后一页时只画到最后一行，不再多打一长截。
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## [1.0.85] - 2026-06-27
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### 改进
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@@ -16,7 +16,8 @@ import 'package:win32/win32.dart'
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ClosePrinter,
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DOC_INFO_1,
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WideCharToMultiByte;
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import 'package:flutter/foundation.dart' show kIsWeb, debugPrint;
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import 'package:flutter/foundation.dart'
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show kIsWeb, debugPrint, visibleForTesting;
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import 'package:flutter/services.dart';
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import '../errors/error_reporter.dart';
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import 'package:pdf/pdf.dart';
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@@ -729,14 +730,42 @@ List<pw.Widget> _buildOrderDoc({
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pw.Widget metaText(String label, String value, pw.TextAlign align) =>
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pw.Text('$label：$value', style: metaStyle, textAlign: align);
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// 返回明细块的「子组件列表」而非单个 Container：作为 MultiPage 的顶层
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// children，明细表可跨页拆分。左侧竖线点缀改由 pageTheme 背景每页绘制
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// （见 _orderPageTheme）——原先用非可拆分的 pw.Container 包裹整块内容，
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// 当内容超过一页时 MultiPage 无法拆分，分页算法不前进→无限加页、内存暴涨
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// →打印卡死（根因）。
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// 竖线（左侧点缀）由内容自身携带，而非整页背景——让竖线随内容高度收缩，
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// 跨页时尾页也只画到最后一行，不再画满整页。结构分三段：
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// 前段(抬头+信息条) / 明细表 / 后段(总计+提示+签字)
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// 前后两段是「短」原子 Container（带左边框=竖线），明细表用 TableBorder.left
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// 当竖线（表格可跨页拆分，左边框随行收缩）。三段紧贴堆叠→竖线连续；尾段为
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// 最后一个原子组件，其边框到内容末尾即止→竖线贴合内容。明细表是唯一可能超
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// 一页的组件且本身可拆分，不存在「原子大组件超页」→不会触发分页死循环
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// （1.0.84 修复的根因）。
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pw.Widget group(List<pw.Widget> children,
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{double top = 0, double bottom = 0}) =>
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pw.Container(
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decoration: const pw.BoxDecoration(
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border:
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pw.Border(left: pw.BorderSide(color: PdfColors.black, width: 3)),
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),
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padding: pw.EdgeInsets.only(top: top, bottom: bottom),
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child: pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.stretch,
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mainAxisSize: pw.MainAxisSize.min,
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children: children,
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),
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);
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// 明细表首列额外左缩进，使表格内容与各区块内容左缩进对齐。
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pw.EdgeInsets headPad(int i) => i == 0
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? const pw.EdgeInsets.only(left: 11, right: 2, top: 2.5, bottom: 2.5)
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: const pw.EdgeInsets.symmetric(horizontal: 2, vertical: 2.5);
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pw.EdgeInsets bodyPad(int i) => i == 0
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? const pw.EdgeInsets.only(left: 11, right: 3, top: 2, bottom: 2)
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: const pw.EdgeInsets.symmetric(horizontal: 3, vertical: 2);
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return [
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// ── 抬头：公司名 + 单据类型，左对齐内联 ──────────────────────────
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pw.Row(
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// ── 前段：抬头 + 信息条 ──────────────────────────────────────────────
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group([
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pw.Padding(
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padding: const pw.EdgeInsets.only(left: 11),
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child: pw.Row(
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crossAxisAlignment: pw.CrossAxisAlignment.end,
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children: [
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pw.Text(shopName,
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@@ -755,128 +784,133 @@ List<pw.Widget> _buildOrderDoc({
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),
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],
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),
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pw.SizedBox(height: 8),
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// ── 抬头信息：灰底信息条（两行三列）────────────────────────────
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pw.Container(
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decoration: pw.BoxDecoration(
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border: pw.Border.all(color: PdfColors.black, width: 0.8),
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),
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padding: const pw.EdgeInsets.symmetric(horizontal: 8, vertical: 6),
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child: pw.Column(
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children: [
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pw.Row(
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children: [
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pw.Expanded(
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flex: 5,
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child: metaText(
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partnerLabel, partnerName ?? '', pw.TextAlign.left)),
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pw.Expanded(
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flex: 4,
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child: metaText(
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dateLabel, _d10(orderDate), pw.TextAlign.left)),
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pw.Expanded(
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flex: 3,
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child: pw.Text('$noPrefix$orderNo',
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style: metaBold, textAlign: pw.TextAlign.right)),
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],
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),
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pw.SizedBox(height: 3),
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pw.Row(
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children: [
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pw.Expanded(
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flex: 5,
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child: metaText('联系电话', '', pw.TextAlign.left)),
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pw.Expanded(
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flex: 4,
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child: metaText(addressLabel, '', pw.TextAlign.left)),
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pw.Expanded(
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flex: 3,
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child: metaText(
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'仓库', warehouseName ?? '', pw.TextAlign.right)),
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],
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),
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],
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),
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),
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pw.SizedBox(height: 8),
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pw.Container(
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decoration: pw.BoxDecoration(
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border: pw.Border.all(color: PdfColors.black, width: 0.8),
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),
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pw.SizedBox(height: 8),
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// ── 明细表（密集、灰底表头、数字等宽）──────────────────────────
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pw.Table(
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border: pw.TableBorder.all(color: PdfColors.black, width: 0.8),
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columnWidths: {
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for (var i = 0; i < _orderColFlex.length; i++)
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i: pw.FlexColumnWidth(_orderColFlex[i])
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},
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padding: const pw.EdgeInsets.symmetric(horizontal: 8, vertical: 6),
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child: pw.Column(
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children: [
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pw.TableRow(
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pw.Row(
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children: [
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for (final h in _orderHeaders)
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pw.Padding(
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padding: const pw.EdgeInsets.symmetric(
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horizontal: 2, vertical: 2.5),
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child: pw.Text(h,
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textAlign: pw.TextAlign.center, style: headStyle),
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),
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pw.Expanded(
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flex: 5,
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child: metaText(
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partnerLabel, partnerName ?? '', pw.TextAlign.left)),
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pw.Expanded(
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flex: 4,
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child:
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metaText(dateLabel, _d10(orderDate), pw.TextAlign.left)),
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pw.Expanded(
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flex: 3,
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child: pw.Text('$noPrefix$orderNo',
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style: metaBold, textAlign: pw.TextAlign.right)),
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],
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),
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for (final row in rows)
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pw.TableRow(
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children: [
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for (var i = 0; i < row.length; i++)
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pw.Padding(
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padding: const pw.EdgeInsets.symmetric(
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horizontal: 3, vertical: 2),
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child: pw.Text(row[i],
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textAlign: _colAlign(i),
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style: (i >= 6 && i <= 8) ? numStyle : cellStyle),
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),
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],
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pw.SizedBox(height: 3),
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pw.Row(
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children: [
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pw.Expanded(
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flex: 5,
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child: metaText('联系电话', '', pw.TextAlign.left)),
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pw.Expanded(
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flex: 4,
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child: metaText(addressLabel, '', pw.TextAlign.left)),
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pw.Expanded(
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flex: 3,
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child: metaText(
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'仓库', warehouseName ?? '', pw.TextAlign.right)),
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],
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),
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],
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),
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),
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], bottom: 8),
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// ── 明细表：左外边框 3 = 竖线（可跨页拆分，尾页随行收缩）────────────
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pw.Table(
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border: const pw.TableBorder(
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left: pw.BorderSide(color: PdfColors.black, width: 3),
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top: pw.BorderSide(color: PdfColors.black, width: 0.8),
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right: pw.BorderSide(color: PdfColors.black, width: 0.8),
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bottom: pw.BorderSide(color: PdfColors.black, width: 0.8),
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horizontalInside: pw.BorderSide(color: PdfColors.black, width: 0.8),
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verticalInside: pw.BorderSide(color: PdfColors.black, width: 0.8),
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),
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columnWidths: {
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for (var i = 0; i < _orderColFlex.length; i++)
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i: pw.FlexColumnWidth(_orderColFlex[i])
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},
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children: [
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pw.TableRow(
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children: [
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for (var i = 0; i < _orderHeaders.length; i++)
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pw.Padding(
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padding: headPad(i),
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child: pw.Text(_orderHeaders[i],
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textAlign: pw.TextAlign.center, style: headStyle),
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),
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],
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),
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// ── 单据总计：灰底条，右对齐，仅数量 + 金额（等宽数字）──────────
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pw.SizedBox(height: 6),
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for (final row in rows)
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pw.TableRow(
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||||
children: [
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for (var i = 0; i < row.length; i++)
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pw.Padding(
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padding: bodyPad(i),
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child: pw.Text(row[i],
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||||
textAlign: _colAlign(i),
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||||
style: (i >= 6 && i <= 8) ? numStyle : cellStyle),
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||||
),
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||||
],
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),
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],
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),
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// ── 后段：单据总计 + 温馨提示 + 签字行 ───────────────────────────────
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group([
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pw.Container(
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width: double.infinity,
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decoration: pw.BoxDecoration(
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border: pw.Border.all(color: PdfColors.black, width: 0.8),
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||||
),
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||||
padding: const pw.EdgeInsets.symmetric(horizontal: 10, vertical: 5),
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||||
child: pw.Row(
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mainAxisAlignment: pw.MainAxisAlignment.end,
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crossAxisAlignment: pw.CrossAxisAlignment.center,
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children: [
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pw.Text('单据总计', style: metaBold),
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pw.SizedBox(width: 26),
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pw.Text('数量 ', style: metaStyle),
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pw.Text(_qtyStr(totalQty),
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style: pw.TextStyle(font: monoBold, fontSize: 11)),
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pw.SizedBox(width: 26),
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pw.Text('金额 ', style: metaStyle),
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pw.Text(totalAmt.toStringAsFixed(2),
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style: pw.TextStyle(font: monoBold, fontSize: 12)),
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],
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),
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),
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if (showTips) ...[
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pw.SizedBox(height: 8),
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pw.Container(
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width: double.infinity,
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decoration: pw.BoxDecoration(
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border: pw.Border.all(color: PdfColors.black, width: 0.8),
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||||
),
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||||
padding: const pw.EdgeInsets.symmetric(horizontal: 10, vertical: 5),
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child: pw.Row(
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mainAxisAlignment: pw.MainAxisAlignment.end,
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crossAxisAlignment: pw.CrossAxisAlignment.center,
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children: [
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pw.Text('单据总计', style: metaBold),
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pw.SizedBox(width: 26),
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pw.Text('数量 ', style: metaStyle),
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pw.Text(_qtyStr(totalQty),
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style: pw.TextStyle(font: monoBold, fontSize: 11)),
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pw.SizedBox(width: 26),
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pw.Text('金额 ', style: metaStyle),
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pw.Text(totalAmt.toStringAsFixed(2),
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style: pw.TextStyle(font: monoBold, fontSize: 12)),
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],
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),
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padding: const pw.EdgeInsets.all(5),
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child: pw.Text(_kTipsText,
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style: pw.TextStyle(
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font: bold,
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fontSize: 9,
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fontWeight: pw.FontWeight.bold,
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color: PdfColors.black)),
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),
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// ── 温馨提示（仅出库单）──────────────────────────────────────────
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if (showTips) ...[
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pw.SizedBox(height: 8),
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pw.Container(
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width: double.infinity,
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decoration: pw.BoxDecoration(
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border: pw.Border.all(color: PdfColors.black, width: 0.8),
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||||
),
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padding: const pw.EdgeInsets.all(5),
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child: pw.Text(_kTipsText,
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style: pw.TextStyle(
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font: bold,
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fontSize: 9,
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fontWeight: pw.FontWeight.bold,
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color: PdfColors.black)),
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),
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],
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pw.SizedBox(height: 24),
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// ── 签字行：签收人 / 经办人 / 制单人 ──────────────────────────────
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pw.Row(
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],
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pw.SizedBox(height: 24),
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||||
pw.Padding(
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padding: const pw.EdgeInsets.only(left: 11),
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||||
child: pw.Row(
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||||
mainAxisAlignment: pw.MainAxisAlignment.spaceBetween,
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||||
children: [
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pw.Text('$signerLabel：', style: metaStyle),
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@@ -885,42 +919,80 @@ List<pw.Widget> _buildOrderDoc({
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||||
pw.Text('制单人：${makerName ?? ''}', style: metaStyle),
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||||
],
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||||
),
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if ((remark ?? '').isNotEmpty) ...[
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pw.SizedBox(height: 10),
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||||
pw.Text('备注：$remark', style: metaStyle),
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||||
],
|
||||
),
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||||
if ((remark ?? '').isNotEmpty) ...[
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||||
pw.SizedBox(height: 10),
|
||||
pw.Padding(
|
||||
padding: const pw.EdgeInsets.only(left: 11),
|
||||
child: pw.Text('备注：$remark', style: metaStyle),
|
||||
),
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||||
],
|
||||
], top: 8),
|
||||
];
|
||||
}
|
||||
|
||||
/// 出/入库单 MultiPage 页面主题：内容区左缩进 + 全页高左侧竖线点缀（每页都画）。
|
||||
/// 用 pageTheme 背景绘制竖线，让明细内容（含表格）可跨页拆分，避免非可拆分
|
||||
/// Container 在内容超一页时触发 MultiPage 分页死循环。
|
||||
pw.PageTheme _orderPageTheme() => pw.PageTheme(
|
||||
pageFormat: PdfPageFormat.a4,
|
||||
// 左边距 = 原始外边距 15mm + (竖线宽 3 + 内缩 14)，与旧版视觉缩进一致。
|
||||
margin: const pw.EdgeInsets.fromLTRB(
|
||||
15 * PdfPageFormat.mm + 17,
|
||||
12 * PdfPageFormat.mm,
|
||||
15 * PdfPageFormat.mm,
|
||||
12 * PdfPageFormat.mm,
|
||||
),
|
||||
buildBackground: (ctx) => pw.FullPage(
|
||||
ignoreMargins: true,
|
||||
child: pw.Padding(
|
||||
padding: const pw.EdgeInsets.fromLTRB(
|
||||
15 * PdfPageFormat.mm,
|
||||
12 * PdfPageFormat.mm,
|
||||
0,
|
||||
12 * PdfPageFormat.mm,
|
||||
),
|
||||
child: pw.Container(
|
||||
decoration: const pw.BoxDecoration(
|
||||
border: pw.Border(
|
||||
left: pw.BorderSide(color: PdfColors.black, width: 3)),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
/// 出/入库单文档：单一 MultiPage，竖线由 `_buildOrderDoc` 的内容自身携带
|
||||
/// （前/后两段原子 Container 的左边框 + 明细表 TableBorder.left），故竖线随内容
|
||||
/// 高度收缩、跨页时尾页只画到最后一行；明细表可跨页拆分，无原子大组件超页，
|
||||
/// 不会触发分页死循环。
|
||||
pw.Document _composeOrderDoc(List<pw.Widget> Function() buildContent) {
|
||||
final doc = pw.Document();
|
||||
doc.addPage(pw.MultiPage(
|
||||
pageFormat: PdfPageFormat.a4,
|
||||
margin: const pw.EdgeInsets.symmetric(
|
||||
horizontal: 15 * PdfPageFormat.mm,
|
||||
vertical: 12 * PdfPageFormat.mm,
|
||||
),
|
||||
build: (_) => buildContent(),
|
||||
));
|
||||
return doc;
|
||||
}
|
||||
|
||||
Future<Uint8List> _buildOrderPdf(
|
||||
List<pw.Widget> Function() buildContent) async =>
|
||||
_composeOrderDoc(buildContent).save();
|
||||
|
||||
/// 测试用：构建文档并返回页数（用于回归「明细超一页不卡死且能正常分页」）。
|
||||
@visibleForTesting
|
||||
Future<int> debugOrderDocPageCount(
|
||||
List<pw.Widget> Function() buildContent) async {
|
||||
final doc = _composeOrderDoc(buildContent);
|
||||
await doc.save();
|
||||
return doc.document.pdfPageList.pages.length;
|
||||
}
|
||||
|
||||
/// 测试用：暴露 `_buildOrderDoc`，便于在不依赖 model 的情况下构造内容。
|
||||
@visibleForTesting
|
||||
List<pw.Widget> debugBuildOrderDoc({
|
||||
required pw.Font font,
|
||||
required pw.Font bold,
|
||||
required List<List<String>> rows,
|
||||
required double totalQty,
|
||||
required double totalAmt,
|
||||
bool showTips = true,
|
||||
}) =>
|
||||
_buildOrderDoc(
|
||||
font: font,
|
||||
bold: bold,
|
||||
shopName: '测试酒行',
|
||||
title: '出 库 单',
|
||||
orderNo: 'CK202503010002',
|
||||
noPrefix: 'NO.',
|
||||
partnerLabel: '客户名称',
|
||||
partnerName: '张三',
|
||||
dateLabel: '出库日期',
|
||||
orderDate: '2025-03-01',
|
||||
addressLabel: '送货地址',
|
||||
warehouseName: '主仓',
|
||||
signerLabel: '收货人（签字）',
|
||||
operatorRoleLabel: '销售员',
|
||||
operatorName: '李四',
|
||||
makerName: '王五',
|
||||
remark: null,
|
||||
showTips: showTips,
|
||||
rows: rows,
|
||||
totalQty: totalQty,
|
||||
totalAmt: totalAmt,
|
||||
);
|
||||
|
||||
/// 生成入库单 A4 PDF 字节（与实际打印同一套排版，供预览光栅化 + 打印共用）。
|
||||
@@ -948,10 +1020,7 @@ Future<Uint8List> buildStockInOrderPdfImpl(
|
||||
]);
|
||||
}
|
||||
|
||||
final doc = pw.Document();
|
||||
doc.addPage(pw.MultiPage(
|
||||
pageTheme: _orderPageTheme(),
|
||||
build: (_) => _buildOrderDoc(
|
||||
return _buildOrderPdf(() => _buildOrderDoc(
|
||||
font: font, bold: bold,
|
||||
shopName: meta.shopName,
|
||||
title: '入 库 单',
|
||||
@@ -972,9 +1041,7 @@ Future<Uint8List> buildStockInOrderPdfImpl(
|
||||
rows: rows,
|
||||
totalQty: totalQty,
|
||||
totalAmt: totalAmt,
|
||||
),
|
||||
));
|
||||
return doc.save();
|
||||
));
|
||||
}
|
||||
|
||||
Future<void> printStockInOrderImpl(
|
||||
@@ -1023,10 +1090,7 @@ Future<Uint8List> buildStockOutOrderPdfImpl(
|
||||
]);
|
||||
}
|
||||
|
||||
final doc = pw.Document();
|
||||
doc.addPage(pw.MultiPage(
|
||||
pageTheme: _orderPageTheme(),
|
||||
build: (_) => _buildOrderDoc(
|
||||
return _buildOrderPdf(() => _buildOrderDoc(
|
||||
font: font, bold: bold,
|
||||
shopName: meta.shopName,
|
||||
title: '出 库 单',
|
||||
@@ -1047,9 +1111,7 @@ Future<Uint8List> buildStockOutOrderPdfImpl(
|
||||
rows: rows,
|
||||
totalQty: totalQty,
|
||||
totalAmt: totalAmt,
|
||||
),
|
||||
));
|
||||
return doc.save();
|
||||
));
|
||||
}
|
||||
|
||||
Future<void> printStockOutOrderImpl(
|
||||
|
||||
@@ -0,0 +1,68 @@
|
||||
import 'dart:io';
|
||||
|
||||
import 'package:flutter_test/flutter_test.dart';
|
||||
import 'package:pdf/widgets.dart' as pw;
|
||||
import 'package:jiu_client/core/utils/print_util_stub.dart';
|
||||
|
||||
/// 出/入库单打印分页回归测试。
|
||||
///
|
||||
/// 背景：1.0.83 的打印改版用「非可拆分 Container 包裹整块内容」，当明细超过一页
|
||||
/// 时 MultiPage 无法拆分、分页算法不前进 → 无限加页、内存暴涨 → 打印卡死。
|
||||
/// 1.0.86 改为三段结构（前/后两段短原子 Container + 可拆分明细表，竖线由内容
|
||||
/// 自身携带），明细表可跨页拆分，无「原子大组件超页」，正常分页且竖线尾页贴合
|
||||
/// 内容。本测试锁定该行为，防止再退回卡死实现。
|
||||
void main() {
|
||||
late pw.Font font;
|
||||
|
||||
setUpAll(() {
|
||||
// 直接从仓库内字体文件加载（无需 Flutter asset bundle / binding）。
|
||||
final bytes =
|
||||
File('assets/fonts/NotoSansSC-Regular.ttf').readAsBytesSync();
|
||||
font = pw.Font.ttf(bytes.buffer.asByteData());
|
||||
});
|
||||
|
||||
List<List<String>> makeRows(int n) => [
|
||||
for (var i = 0; i < n; i++)
|
||||
[
|
||||
'ZXZ0112$i',
|
||||
'茅台金贵宾2011',
|
||||
'普通/53度',
|
||||
'500ml/单品',
|
||||
'2010-32/07852',
|
||||
'2026-01-19',
|
||||
'1',
|
||||
'1000.00',
|
||||
'1000.00',
|
||||
'',
|
||||
],
|
||||
];
|
||||
|
||||
Future<int> pageCount(int rows) => debugOrderDocPageCount(
|
||||
() => debugBuildOrderDoc(
|
||||
font: font,
|
||||
bold: font,
|
||||
rows: makeRows(rows),
|
||||
totalQty: rows.toDouble(),
|
||||
totalAmt: rows * 1000.0,
|
||||
),
|
||||
);
|
||||
|
||||
test('单页：少量明细生成 1 页', () async {
|
||||
expect(await pageCount(1), 1);
|
||||
expect(await pageCount(3), 1);
|
||||
});
|
||||
|
||||
test('跨页：明细超过一页能正常分页且不卡死（回归 1.0.84 打印卡死）', () async {
|
||||
// 60 行远超一页：旧实现会在此无限加页→卡死。新实现应正常分页到多页。
|
||||
// 用 timeout 兜底——若退回卡死实现，此处会超时失败而非整个测试进程挂死。
|
||||
final pages = await pageCount(60);
|
||||
expect(pages, greaterThan(1));
|
||||
}, timeout: const Timeout(Duration(seconds: 30)));
|
||||
|
||||
test('明细行数越多页数单调不减（分页稳定推进，不会原地打转）', () async {
|
||||
final p20 = await pageCount(20);
|
||||
final p120 = await pageCount(120);
|
||||
expect(p120, greaterThanOrEqualTo(p20));
|
||||
expect(p120, greaterThan(1));
|
||||
}, timeout: const Timeout(Duration(seconds: 45)));
|
||||
}
|
||||
Reference in New Issue
Block a user