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qhmes/yy-admin-master/YY.Admin.Services/Service/Print/NativePrintRenderService.cs

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using System.Text;
using System.Text.Json;
using System.Text.Json.Nodes;
using System.Text.RegularExpressions;
using System.Globalization;
using QRCoder;
using ZXing;
using ZXing.Rendering;
namespace YY.Admin.Services.Service.Print;
/// <summary>
/// 将后端「原生打印模板」JSON 渲染为 HTML再通过调用方传入的 WebView2 实例导出 PDF base64。
/// 支持元素类型text/title/subtitle/date/pageNo/qrcode/barcode/image/freeTable/table/detailTable。
/// </summary>
public static class NativePrintRenderService
{
private static readonly JsonSerializerOptions JsonOpts = new() { PropertyNameCaseInsensitive = true };
// ─── 入口 ──────────────────────────────────────────────────────────────
/// <summary>
/// 将模板 JSON + 数据对象渲染为完整的可打印 HTML 页面(自包含,无外部依赖)。
/// 屏幕样式与后端前端预览保持一致:深灰底(#525659+ 白纸居中 + 页间分割线。
/// </summary>
public static string RenderToHtml(string templateJson, JsonObject data, bool enableScreenAutoFit = true)
{
var schema = JsonNode.Parse(templateJson) ?? throw new ArgumentException("无效模板 JSON");
var page = schema["page"] ?? throw new ArgumentException("模板缺少 page 配置");
var widthMm = page["width"]?.GetValue<double>() ?? 210;
var heightMm = page["height"]?.GetValue<double>() ?? 297;
var margin = page["margin"]?.AsArray();
var mt = margin?[0]?.GetValue<double>() ?? 0;
var mr = margin?[1]?.GetValue<double>() ?? 0;
var mb = margin?[2]?.GetValue<double>() ?? 0;
var ml = margin?[3]?.GetValue<double>() ?? 0;
var pageMarginCss = (mt == 0 && mr == 0 && mb == 0 && ml == 0) ? "0mm"
: $"{mt.ToString("0.###", CultureInfo.InvariantCulture)}mm {mr.ToString("0.###", CultureInfo.InvariantCulture)}mm {mb.ToString("0.###", CultureInfo.InvariantCulture)}mm {ml.ToString("0.###", CultureInfo.InvariantCulture)}mm";
var elements = schema["elements"]?.AsArray() ?? [];
// ─ 提取 reportHeader 配置 ─
var reportHeaderEl = elements.OfType<JsonObject>()
.FirstOrDefault(el => ReadAsString(el["type"]) == "reportHeader");
var reportHeaderId = ReadAsString(reportHeaderEl?["id"]) ?? string.Empty;
var headerVisible = reportHeaderEl == null ||
!string.Equals(ReadAsString(reportHeaderEl["visible"]), "false", StringComparison.OrdinalIgnoreCase);
var repeatHeaderByPage = headerVisible && reportHeaderEl != null &&
string.Equals(ReadAsString(reportHeaderEl["printRepeated"]), "true", StringComparison.OrdinalIgnoreCase);
var headerBandHeight = repeatHeaderByPage
? Math.Max(0d, reportHeaderEl!["h"]?.GetValue<double>() ?? 0d) : 0d;
var pageCount = ResolvePrintPageCount(elements, data, heightMm, mt, mb, headerBandHeight, repeatHeaderByPage);
var totalHeightMm = Math.Max(heightMm, heightMm * pageCount);
var wStr = widthMm.ToString("0.###", CultureInfo.InvariantCulture);
var hStr = heightMm.ToString("0.###", CultureInfo.InvariantCulture);
var thStr = totalHeightMm.ToString("0.###", CultureInfo.InvariantCulture);
var sb = new StringBuilder();
sb.Append("<!doctype html>\n<html>\n<head><meta charset=\"utf-8\"/>\n<style>\n");
sb.Append($" @page {{ size: {wStr}mm {hStr}mm; margin: {pageMarginCss}; }}\n");
sb.Append(" html, body { margin: 0; padding: 0; overflow: visible; }\n");
sb.Append(" * { -webkit-print-color-adjust: exact; print-color-adjust: exact;\n");
sb.Append(" font-family: \"Microsoft YaHei\", \"SimHei\", Arial, sans-serif; }\n");
sb.Append(" .el { position: absolute; overflow: hidden; }\n");
sb.Append(" @media screen {\n");
sb.Append(" html { background: #525659; }\n");
sb.Append(" body { margin: 0; padding: 28px 20px 48px; background: #525659; min-height: 100vh; box-sizing: border-box; }\n");
sb.Append(" .qhmes-native-print-root {\n");
sb.Append(" margin: 0 auto; position: relative; background: #fff; border-radius: 1px;\n");
sb.Append(" box-shadow: 0 1px 2px rgba(0,0,0,0.14), 0 4px 12px rgba(0,0,0,0.1), 0 12px 28px rgba(0,0,0,0.08);\n");
sb.Append(" }\n");
sb.Append(" .qhmes-native-screen-page-sep {\n");
sb.Append(" position: absolute; left: 0; width: 100%; height: 14px; margin-top: -7px;\n");
sb.Append(" background: #525659; pointer-events: none; z-index: 10000;\n");
sb.Append(" box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);\n");
sb.Append(" }\n");
sb.Append(" .qhmes-native-table-chunk table { border-collapse: collapse; }\n");
sb.Append(" .qhmes-native-table-chunk thead { display: table-header-group; }\n");
sb.Append(" .qhmes-native-table-chunk tbody tr { break-inside: avoid; }\n");
sb.Append(" }\n");
sb.Append(" @media print {\n");
sb.Append(" html, body { background: transparent !important; padding: 0 !important; }\n");
sb.Append(" .qhmes-native-print-root { box-shadow: none !important; transform: none !important; margin-bottom: 0 !important; }\n");
sb.Append(" .qhmes-native-screen-page-sep { display: none !important; }\n");
sb.Append(" }\n");
sb.Append("</style>\n");
if (enableScreenAutoFit)
{
sb.Append("<script>\n");
sb.Append("(function(){\n");
sb.Append(" function fitPage(){\n");
sb.Append(" var p=document.querySelector('.qhmes-native-print-root');\n");
sb.Append(" if(!p)return;\n");
sb.Append(" var vw=window.innerWidth||document.documentElement.clientWidth||1;\n");
sb.Append(" var vh=window.innerHeight||document.documentElement.clientHeight||1;\n");
sb.Append(" var pw=p.offsetWidth||1;\n");
sb.Append(" var ph=p.offsetHeight||1;\n");
sb.Append(" var maxW=Math.max(1,vw-40);\n");
sb.Append(" var maxH=Math.max(1,vh-56);\n");
sb.Append(" var s=Math.min(maxW/pw,maxH/ph,1);\n");
sb.Append(" p.style.transform='scale('+s+')';\n");
sb.Append(" p.style.transformOrigin='top center';\n");
sb.Append(" p.style.marginBottom=((1-s)*ph)+'px';\n");
sb.Append(" }\n");
sb.Append(" window.addEventListener('load',fitPage);\n");
sb.Append(" window.addEventListener('resize',fitPage);\n");
sb.Append(" setTimeout(fitPage,0);\n");
sb.Append(" setTimeout(fitPage,150);\n");
sb.Append(" setTimeout(fitPage,400);\n");
sb.Append("})();\n");
sb.Append("</script>\n");
}
sb.Append("</head>\n<body>\n");
sb.Append($"<div class=\"qhmes-native-print-root\" style=\"width:{wStr}mm;min-height:{thStr}mm;height:auto;overflow:visible;box-sizing:border-box;\">\n");
// 按 zIndex 升序渲染(低 zIndex 先画,高 zIndex 覆盖在上层)
var sortedElements = elements.OfType<JsonNode>()
.OrderBy(el => el?["zIndex"]?.GetValue<int>() ?? 0)
.ToList();
foreach (var el in sortedElements)
{
if (el == null) continue;
var elHtml = RenderElement(el, data, widthMm, heightMm, pageCount, mt, mb, elements,
repeatHeaderByPage, headerBandHeight, reportHeaderId, headerVisible);
if (!string.IsNullOrEmpty(elHtml))
sb.Append(elHtml);
}
for (var i = 1; i < pageCount; i++)
{
var sepTop = (i * heightMm).ToString("0.###", CultureInfo.InvariantCulture);
sb.Append($"<div style=\"position:absolute;left:0;top:{sepTop}mm;width:{wStr}mm;height:0;page-break-before:always;\"></div>\n");
sb.Append($"<div class=\"qhmes-native-screen-page-sep\" aria-hidden=\"true\" style=\"top:{sepTop}mm;\"></div>\n");
}
sb.Append("</div>\n</body></html>");
return sb.ToString();
}
// ─── 元素渲染分发 ──────────────────────────────────────────────────────
private static string RenderElement(
JsonNode el, JsonObject data,
double pageWidthMm, double pageHeightMm, int totalPages,
double marginTopMm, double marginBottomMm, JsonArray allElements,
bool repeatHeaderByPage = false, double headerBandHeight = 0d,
string reportHeaderId = "", bool headerVisible = true)
{
// visible=false 的元素跳过(与前端一致)
if (string.Equals(ReadAsString(el["visible"]), "false", StringComparison.OrdinalIgnoreCase))
return string.Empty;
var type = ReadAsString(el["type"], "text");
var x = el["x"]?.GetValue<double>() ?? 0;
var y = el["y"]?.GetValue<double>() ?? 0;
var w = el["w"]?.GetValue<double>() ?? 20;
var h = el["h"]?.GetValue<double>() ?? 8;
var zIndex = el["zIndex"]?.GetValue<int>() ?? 0;
var rotate = el["rotate"]?.GetValue<double>() ?? 0;
var style = el["style"];
var fs = style?["fontSize"]?.GetValue<double>() ?? 12;
var fw = ReadAsString(style?["fontWeight"], "400");
var color = ReadAsString(style?["color"], "#111111");
var align = ReadAsString(style?["textAlign"], "left");
var lh = style?["lineHeight"]?.GetValue<double>() ?? 1.4;
var bg = ReadAsString(style?["backgroundColor"]);
var bgCss = bg != null ? $"background:{bg};" : string.Empty;
var rotCss = rotate != 0 ? $"transform:rotate({rotate}deg);transform-origin:top left;" : string.Empty;
// ─ 元素级边框title/subtitle/text/date/pageNo/reportHeader/reportFooter 均支持)─
var bWidth = Math.Max(0d, style?["borderWidth"]?.GetValue<double>() ?? 0d);
var bColor = ReadAsString(style?["borderColor"], "#222") ?? "#222";
string ElemBorderSide(string hideKey) =>
bWidth > 0 && !ReadBoolDefault(style?[hideKey], false)
? $"{(int)Math.Round(bWidth)}px solid {bColor}" : "none";
var elemBorderCss = bWidth > 0
? $"border-top:{ElemBorderSide("hideBorderTop")};border-right:{ElemBorderSide("hideBorderRight")};border-bottom:{ElemBorderSide("hideBorderBottom")};border-left:{ElemBorderSide("hideBorderLeft")};"
: string.Empty;
// ─ reportHeader/reportFooter 位置覆盖 ─
var isReportHeader = type == "reportHeader";
var isReportFooter = type == "reportFooter";
double renderX = (isReportHeader || isReportFooter) ? 0 : x;
double renderW = (isReportHeader || isReportFooter) ? pageWidthMm : w;
double renderY = isReportHeader ? 0
: (isReportFooter && string.Equals(ReadAsString(el["printAtPageBottom"]), "true", StringComparison.OrdinalIgnoreCase))
? Math.Max(0, pageHeightMm - h)
: y;
// ─ reportHeader band 判断 ─
var isInHeaderBand = IsElementInHeaderBand(type, reportHeaderId,
ReadAsString(el["bandId"]) ?? string.Empty,
ReadAsString(el["region"]) ?? string.Empty,
headerBandHeight, y, h);
if (isInHeaderBand && !headerVisible) return string.Empty;
// 需要在每页重复:元素在报表头区域 且 报表头开启了 printRepeated
var bandRepeat = isInHeaderBand && repeatHeaderByPage && totalPages > 1;
var posStyle = $"left:{renderX.ToString("0.###", CultureInfo.InvariantCulture)}mm;" +
$"top:{renderY.ToString("0.###", CultureInfo.InvariantCulture)}mm;" +
$"width:{renderW.ToString("0.###", CultureInfo.InvariantCulture)}mm;" +
$"height:{h.ToString("0.###", CultureInfo.InvariantCulture)}mm;" +
$"z-index:{zIndex};{bgCss}{rotCss}{elemBorderCss}";
return type switch
{
"title" or "subtitle" or "text" or "date" or "pageNo" or "reportHeader" or "reportFooter"
=> RenderText(el, data, posStyle, fs, fw, color, align, lh, renderY, pageHeightMm, totalPages, bandRepeat),
"qrcode" => RenderQrCode(el, data, posStyle, renderW, h, bandRepeat, renderY, pageHeightMm, totalPages),
"barcode" => RenderBarcode(el, data, posStyle, renderW, h, bandRepeat, renderY, pageHeightMm, totalPages),
"image" => RenderImage(el, data, posStyle, bandRepeat, renderY, pageHeightMm, totalPages),
"freeTable" => RenderFreeTable(el, data, posStyle, renderW, h, renderY,
totalPages, pageHeightMm, bandRepeat),
"table" or "detailTable" => RenderDetailTable(el, data, posStyle, y, pageHeightMm,
marginTopMm, marginBottomMm, allElements, repeatHeaderByPage, headerBandHeight),
_ => string.Empty
};
}
/// <summary>
/// 判断元素是否属于报表头区域(与前端 isElementInHeaderRegion 一致)。
/// </summary>
private static bool IsElementInHeaderBand(
string? type, string reportHeaderId,
string bandId, string region,
double headerBandHeight, double y, double h)
{
if (type == "reportHeader") return true;
if (type == "reportFooter") return false;
if (!string.IsNullOrEmpty(reportHeaderId) && bandId == reportHeaderId) return true;
if (region == "header") return true;
if (region is "body" or "footer") return false;
if (headerBandHeight <= 0) return false;
// 位置回退判断:元素顶部在 band 内且底部不超出 band 0.2mm
return y < headerBandHeight && (y + h) <= headerBandHeight + 0.2;
}
// ─── Text ──────────────────────────────────────────────────────────────
private static string RenderText(JsonNode el, JsonObject data, string posStyle,
double fs, string fw, string color, string align, double lh,
double designY, double pageHeightMm, int totalPages, bool bandRepeat = false)
{
var type = ReadAsString(el["type"], "text");
// 设计器默认 bindField 为空字符串 "",须视为「未绑定」,否则误走数据分支导致标题等只剩空串
var bindFieldRaw = ReadAsString(el["bindField"]);
var bindField = string.IsNullOrWhiteSpace(bindFieldRaw) ? null : bindFieldRaw.Trim();
string text;
if (type == "date")
{
var val = bindField != null ? ResolveField(data, bindField)?.ToString() : null;
var fmt = ReadAsString(el["format"], "yyyy-MM-dd");
text = val != null && DateTime.TryParse(val, out var dt)
? dt.ToString(ConvertDateFormat(fmt))
: DateTime.Now.ToString(ConvertDateFormat(fmt));
}
else if (bindField != null)
{
// 已绑定数据字段:缺键或解析不到时留空,不回退到画布上的设计占位 text否则会误显示「采购订单」等
text = ResolveField(data, bindField)?.ToString() ?? string.Empty;
}
else
{
text = ReadAsString(el["text"], string.Empty);
}
var textCss = $"font-size:{fs}px;font-weight:{fw};color:{color};text-align:{align};line-height:{lh};white-space:pre-wrap;overflow:hidden;word-break:break-all;";
// 元素自身 printRepeated 或 pageNo 类型,或报表头区域强制重复
var repeat = bandRepeat || type == "pageNo"
|| string.Equals(ReadAsString(el["printRepeated"], "false"), "true", StringComparison.OrdinalIgnoreCase);
if (!repeat || totalPages <= 1)
{
text = ReplaceTemplatePlaceholders(text, data, 1, totalPages);
return $"<div class=\"el\" style=\"{posStyle}{textCss}\">{EscapeHtml(text)}</div>\n";
}
var baseStyle = RemoveCssProperty(posStyle, "top");
var sb = new StringBuilder();
for (var p = 1; p <= totalPages; p++)
{
var top = designY + (p - 1) * pageHeightMm;
var textPerPage = ReplaceTemplatePlaceholders(text, data, p, totalPages);
sb.Append($"<div class=\"el\" style=\"top:{top.ToString("0.###", CultureInfo.InvariantCulture)}mm;{baseStyle}{textCss}\">{EscapeHtml(textPerPage)}</div>\n");
}
return sb.ToString();
}
// ─── QR Code ────────────────────────────────────────────────────────────
private static string RenderQrCode(JsonNode el, JsonObject data, string posStyle, double w, double h,
bool bandRepeat = false, double designY = 0, double pageHeightMm = 0, int totalPages = 1)
{
var bindFieldRaw = ReadAsString(el["bindField"]);
var bindField = string.IsNullOrWhiteSpace(bindFieldRaw) ? null : bindFieldRaw.Trim();
var value = ReadAsString(el["value"], string.Empty);
if (bindField != null)
value = ResolveField(data, bindField)?.ToString() ?? string.Empty;
if (string.IsNullOrWhiteSpace(value)) return string.Empty;
string inner;
try
{
using var gen = new QRCodeGenerator();
var qrData = gen.CreateQrCode(value, QRCodeGenerator.ECCLevel.M);
using var code = new PngByteQRCode(qrData);
var b64 = Convert.ToBase64String(code.GetGraphic(6));
inner = $"<img src=\"data:image/png;base64,{b64}\" style=\"max-width:{w.ToString("0.###", CultureInfo.InvariantCulture)}mm;max-height:{h.ToString("0.###", CultureInfo.InvariantCulture)}mm;object-fit:contain;\" />";
}
catch { return string.Empty; }
var wrapStyle = "display:flex;align-items:center;justify-content:center;";
if (!bandRepeat || totalPages <= 1)
return $"<div class=\"el\" style=\"{posStyle}{wrapStyle}\">{inner}</div>\n";
var baseNoTop = RemoveCssProperty(posStyle, "top");
var sb = new StringBuilder();
for (var p = 0; p < totalPages; p++)
{
var top = designY + p * pageHeightMm;
sb.Append($"<div class=\"el\" style=\"top:{top.ToString("0.###", CultureInfo.InvariantCulture)}mm;{baseNoTop}{wrapStyle}\">{inner}</div>\n");
}
return sb.ToString();
}
// ─── Barcode ────────────────────────────────────────────────────────────
/// <summary>
/// 使用 ZXing.Net 的 SVG 渲染器生成真实可扫码的 1D 条码,与 web 端 jsbarcode 输出的
/// SVG 行为一致preserveAspectRatio="xMidYMid meet",外层 CSS 100% 保比例铺满)。
/// 失败时回退到原占位 SVG避免渲染流程中断。
/// </summary>
private static string RenderBarcode(JsonNode el, JsonObject data, string posStyle, double w, double h,
bool bandRepeat = false, double designY = 0, double pageHeightMm = 0, int totalPages = 1)
{
var bindFieldRaw = ReadAsString(el["bindField"]);
var bindField = string.IsNullOrWhiteSpace(bindFieldRaw) ? null : bindFieldRaw.Trim();
var value = ReadAsString(el["value"], string.Empty);
if (bindField != null)
value = ResolveField(data, bindField)?.ToString() ?? string.Empty;
if (string.IsNullOrWhiteSpace(value)) return string.Empty;
// 从元素配置取格式/显示文字开关;元素未设时按 Code128 + 显示文字默认
var format = ParseBarcodeFormat(ReadAsString(el["format"]));
var displayValue = !string.Equals(ReadAsString(el["displayValue"], "true"), "false", StringComparison.OrdinalIgnoreCase);
var textAlign = ReadAsString(el["textAlign"], "center")!;
var lineWidthPx = Math.Max(1, (int)Math.Round(el["lineWidth"]?.GetValue<double>() ?? 2d));
var barHeightPx = Math.Max(10, (int)Math.Round(el["barHeight"]?.GetValue<double>() ?? 60d));
var barFontSize = Math.Max(8, (int)Math.Round(el["fontSize"]?.GetValue<double>() ?? 14d));
// 与后端对齐:优先读元素级 fillCell兼容旧模板的 style.fillCell。
// 均未配置时默认 false保比例居中
var fillCellNode = el["fillCell"] ?? el["style"]?["fillCell"];
var fillCell = string.Equals(ReadAsString(fillCellNode, "false"), "true", StringComparison.OrdinalIgnoreCase);
var inner = BuildBarcodeSvgInner(value, format, displayValue, textAlign, lineWidthPx, barHeightPx, barFontSize, fillCell);
var wrapStyle = "display:flex;align-items:center;justify-content:center;overflow:hidden;";
if (!bandRepeat || totalPages <= 1)
return $"<div class=\"el\" style=\"{posStyle}{wrapStyle}\">{inner}</div>\n";
var baseNoTop = RemoveCssProperty(posStyle, "top");
var sb = new StringBuilder();
for (var p = 0; p < totalPages; p++)
{
var top = designY + p * pageHeightMm;
sb.Append($"<div class=\"el\" style=\"top:{top.ToString("0.###", CultureInfo.InvariantCulture)}mm;{baseNoTop}{wrapStyle}\">{inner}</div>\n");
}
return sb.ToString();
}
/// <summary>
/// 把模板元素上的 format 字符串映射到 ZXing 的 BarcodeFormat 枚举。
/// 覆盖 web 端设计器jsbarcode支持的全部码制对 ZXing 不直接支持的子集
/// CODE128 子集、MSI 变体、EAN-5/EAN-2、pharmacode做最接近映射避免渲染失败。
/// </summary>
private static BarcodeFormat ParseBarcodeFormat(string? fmt)
{
var key = (fmt ?? string.Empty).Trim().ToUpperInvariant().Replace("-", "_");
return key switch
{
// Code128 系列ZXing 自动识别 A/B/C 编码集,统一映射到 CODE_128
"" => BarcodeFormat.CODE_128,
"CODE128" => BarcodeFormat.CODE_128,
"CODE_128" => BarcodeFormat.CODE_128,
"CODE128A" => BarcodeFormat.CODE_128,
"CODE128B" => BarcodeFormat.CODE_128,
"CODE128C" => BarcodeFormat.CODE_128,
// Code 39 / 93
"CODE39" => BarcodeFormat.CODE_39,
"CODE_39" => BarcodeFormat.CODE_39,
"CODE93" => BarcodeFormat.CODE_93,
"CODE_93" => BarcodeFormat.CODE_93,
// EAN / UPC
"EAN13" => BarcodeFormat.EAN_13,
"EAN_13" => BarcodeFormat.EAN_13,
"EAN8" => BarcodeFormat.EAN_8,
"EAN_8" => BarcodeFormat.EAN_8,
// EAN-5 / EAN-2 是 EAN-13 的附加码ZXing 不直接支持;为避免渲染失败回退为 CODE_128
"EAN5" => BarcodeFormat.CODE_128,
"EAN_5" => BarcodeFormat.CODE_128,
"EAN2" => BarcodeFormat.CODE_128,
"EAN_2" => BarcodeFormat.CODE_128,
"UPC" => BarcodeFormat.UPC_A,
"UPCA" => BarcodeFormat.UPC_A,
"UPC_A" => BarcodeFormat.UPC_A,
"UPCE" => BarcodeFormat.UPC_E,
"UPC_E" => BarcodeFormat.UPC_E,
// ITF / ITF-14
"ITF" => BarcodeFormat.ITF,
"ITF14" => BarcodeFormat.ITF,
"ITF_14" => BarcodeFormat.ITF,
// MSI 全部变体ZXing 不直接支持,回退到 CODE_128保证至少能扫码识别值
"MSI" => BarcodeFormat.CODE_128,
"MSI10" => BarcodeFormat.CODE_128,
"MSI11" => BarcodeFormat.CODE_128,
"MSI1010" => BarcodeFormat.CODE_128,
"MSI1110" => BarcodeFormat.CODE_128,
// PharmacodeZXing 不支持,回退 CODE_128
"PHARMACODE" => BarcodeFormat.CODE_128,
// Codabar
"CODABAR" => BarcodeFormat.CODABAR,
_ => BarcodeFormat.CODE_128,
};
}
/// <summary>
/// 把 ZXing 输出的 SVG 转换为"由外层 CSS 控制尺寸 + 可配置铺满策略"的形式:
/// 1) <b>强制清除</b>根 svg 节点上原有的 width / height / viewBox / preserveAspectRatio 属性
/// (不再依赖 ZXing 自身输出格式,无论它用单引号、双引号、无引号都覆写);
/// 2) 用调用方传入的 viewBoxWidth × viewBoxHeight 作为 viewBox保证容器内
/// 条码比例与 BuildBarcodeSvgInner 计算的画布比例一致;
/// 3) preserveAspectRatiofillCell=true → "none"(按容器拉伸铺满,矢量缩放无损);
/// fillCell=false → "xMidYMid meet"(保比例居中,与 web jsbarcode 默认一致);
/// 4) 重新挂上 width="100%" height="100%",确保外层 div 100% 铺满。
/// 这里不再"尝试从原 SVG 派生 viewBox",否则 regex 不匹配 ZXing 实际输出(单引号 /
/// 无属性 / 顺序差异viewBox 会被漏掉,导致 SVG 被 CSS 双向拉伸,条码视觉变粗、变高。
/// </summary>
private static string? NormalizeBarcodeSvg(string svg, bool fillCell = false,
double viewBoxWidth = 0, double viewBoxHeight = 0)
{
if (string.IsNullOrWhiteSpace(svg)) return null;
var targetAspect = fillCell ? "none" : "xMidYMid meet";
return Regex.Replace(svg, @"<svg\b([^>]*)>", m =>
{
var attrs = m.Groups[1].Value;
// 同时兼容单/双引号,彻底清理可能影响最终缩放策略的属性
attrs = Regex.Replace(attrs, @"\s(width|height|viewBox|preserveAspectRatio)\s*=\s*(""[^""]*""|'[^']*')",
string.Empty, RegexOptions.IgnoreCase);
// 用调用方提供的稳定画布比例作为 viewBox调用方没传时再回退去读原属性
var vbW = viewBoxWidth;
var vbH = viewBoxHeight;
if (vbW <= 0 || vbH <= 0)
{
// 兼容回退路径:从原 svg 标签 attrs 中再读一次 width/height无 viewBox 时)
// 这段在调用方传入了 viewBoxWidth/Height 时不会走,保留兜底防御
var widthMatch = Regex.Match(m.Groups[1].Value, @"\swidth\s*=\s*(""[^""]+""|'[^']+')", RegexOptions.IgnoreCase);
var heightMatch = Regex.Match(m.Groups[1].Value, @"\sheight\s*=\s*(""[^""]+""|'[^']+')", RegexOptions.IgnoreCase);
if (widthMatch.Success && heightMatch.Success)
{
var ws = widthMatch.Groups[1].Value.Trim('"', '\'');
var hs = heightMatch.Groups[1].Value.Trim('"', '\'');
double.TryParse(Regex.Replace(ws, @"[^\d.]", ""), NumberStyles.Any, CultureInfo.InvariantCulture, out vbW);
double.TryParse(Regex.Replace(hs, @"[^\d.]", ""), NumberStyles.Any, CultureInfo.InvariantCulture, out vbH);
}
}
// 实在拿不到时按 jsbarcode 风格的兜底比例(避免 SVG 被纯拉伸)
if (vbW <= 0) vbW = 200;
if (vbH <= 0) vbH = 60;
var vbStr = $"0 0 {vbW.ToString("0.###", CultureInfo.InvariantCulture)} {vbH.ToString("0.###", CultureInfo.InvariantCulture)}";
return $"<svg width=\"100%\" height=\"100%\" viewBox=\"{vbStr}\" preserveAspectRatio=\"{targetAspect}\"{attrs}>";
}, RegexOptions.IgnoreCase);
}
/// <summary>条码生成失败时的占位 SVG至少把原文字显示出来便于排查。</summary>
private static string BuildFallbackBarcodeSvg(string value)
{
var escapedVal = EscapeHtml(value);
return $"<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"100%\" height=\"100%\" preserveAspectRatio=\"xMidYMid meet\" viewBox=\"0 0 200 60\">" +
$"<rect width=\"200\" height=\"60\" fill=\"white\"/>" +
$"<text x=\"100\" y=\"35\" font-size=\"12\" text-anchor=\"middle\" font-family=\"monospace\">{escapedVal}</text>" +
$"</svg>";
}
/// <summary>
/// 表格单元格用:包装统一的 BuildBarcodeSvgInner保持与独立 barcode 元素一致的视觉比例。
/// </summary>
private static string BuildBarcodeCellSvg(string value, string? format = null, bool displayValue = true, string? textAlign = null, int barFontSize = 14)
=> BuildBarcodeSvgInner(value ?? string.Empty, ParseBarcodeFormat(format), displayValue, textAlign, 2, 60, barFontSize);
/// <summary>
/// 调用 ZXing.Net 生成条码 SVG 的统一入口:用与 web 端 jsbarcode 默认参数等价的比例
/// lineWidth ≈ 2px/module、barHeight ≈ 60px、底部文字区 ≈ 18px来派生 ZXing 的
/// Width/Height使生成的 SVG 内部 viewBox 比例稳定(与 web 视觉风格对齐),不会随
/// 元素框形状90×60 / 50×30 mm漂移成 1.5:1。外层 div 用 100%+preserveAspectRatio
/// ="xMidYMid meet" 自适应铺满。
/// textAlign 控制底部文字对齐center / left / right / justify两端
/// 文字通过 InjectBarcodeText 向 SVG 底部注入 &lt;text&gt; 元素实现,与 web 端 jsbarcode 行为对齐。
/// 注意ZXing.Net 的 SVG 渲染器不生成人类可读文字PureBarcode=false 在 SvgRenderer 无效),
/// 必须手动注入;同时只将 barHeight 传给 ZXing 渲染条形,避免条形撑满含文字区的总高度。
/// </summary>
private static string BuildBarcodeSvgInner(string value, BarcodeFormat format, bool displayValue,
string? textAlign = null, int lineWidth = 2, int barHeight = 60, int barFontSize = 14, bool fillCell = false)
{
if (string.IsNullOrWhiteSpace(value)) return string.Empty;
try
{
var moduleCount = EstimateBarcodeModuleCount(value, format);
var widthPx = Math.Max(120, moduleCount * lineWidth);
var barOnlyH = Math.Max(10, barHeight); // 只把条高给 ZXing文字由 InjectBarcodeText 注入
var writer = new BarcodeWriterSvg
{
Format = format,
Options = new ZXing.Common.EncodingOptions
{
Width = widthPx,
Height = barOnlyH,
Margin = 0,
PureBarcode = true, // ZXing SVG renderer 不支持文字,统一用 PureBarcode=true
},
};
var svgStr = writer.Write(value)?.Content ?? string.Empty;
// 关键:把我们提供给 ZXing 的 widthPx × barOnlyH 作为目标 viewBox 强制写入,
// 让桌面端 SVG 与 web jsbarcode 同样进入"viewBox + preserveAspectRatio=meet"渲染
// 路径,避免某些 ZXing 输出顺序/引号风格让 regex 漏掉 viewBox 派生导致条码被 CSS 双向拉伸。
//(注:底部文字区由后续 InjectBarcodeText 再把 viewBox 的高度扩展上去,
// 因此此处只用条形高度 barOnlyH。
var normalized = NormalizeBarcodeSvg(svgStr, fillCell, widthPx, barOnlyH)
?? BuildFallbackBarcodeSvg(value);
// 裁掉 ZXing 可能保留的左右静区,让条码主体宽度更贴近 web 端 jsbarcode 观感。
normalized = TightenBarcodeHorizontalViewBox(normalized, widthPx);
// 文字注入:在 viewBox 底部添加 <text>,扩展 viewBox 高度以容纳文字区
if (displayValue)
normalized = InjectBarcodeText(normalized, value, barFontSize, textAlign);
return normalized;
}
catch
{
return BuildFallbackBarcodeSvg(value);
}
}
/// <summary>
/// 向 ZXing 条码 SVG 底部注入人类可读文字并扩展 viewBox 高度,与 web 端 jsbarcode displayValue 行为对齐。
/// textAlign 支持 center / left / right / justify两端对齐通过 textLength+lengthAdjust 实现)。
/// </summary>
private static string InjectBarcodeText(string svg, string text, int fontSize, string? textAlign)
{
var (x0, y0, vbWidth, vbHeight) = ParseViewBoxOrDefault(svg);
var safeFs = Math.Max(8, fontSize);
const double textMargin = 2d; // 对齐 jsbarcode 默认 textMargin
var footerH = safeFs + textMargin + 2d; // 预留文字区 + 底部余量,避免裁切
var newH = vbHeight + footerH;
var wStr = vbWidth.ToString("0.###", CultureInfo.InvariantCulture);
var hStr = newH.ToString("0.###", CultureInfo.InvariantCulture);
// 扩展 viewBox 高度(保留原始 x0/y0
svg = Regex.Replace(svg, @"viewBox\s*=\s*""([^""]+)""", m =>
{
return $"viewBox=\"{x0.ToString("0.###", CultureInfo.InvariantCulture)} {y0.ToString("0.###", CultureInfo.InvariantCulture)} {wStr} {hStr}\"";
}, RegexOptions.IgnoreCase);
// 计算文字 y 基线(条形底边 + textMargin + fontSize与 jsbarcode 版式一致
var yStr = (y0 + vbHeight + textMargin + safeFs).ToString("0.###", CultureInfo.InvariantCulture);
// 关键:文字水平对齐基于“条码墨迹真实范围”而非整块 viewBox。
// 否则当 SVG 内部存在左右静区/内缩时,文字会看起来和条码不对齐。
var (inkLeft, inkRight) = ResolveBarcodeInkBounds(svg, vbWidth);
var inkWidth = Math.Max(1e-6, inkRight - inkLeft);
var leftStr = inkLeft.ToString("0.###", CultureInfo.InvariantCulture);
var rightStr = inkRight.ToString("0.###", CultureInfo.InvariantCulture);
var widthStr = inkWidth.ToString("0.###", CultureInfo.InvariantCulture);
var midX = (inkLeft + inkWidth / 2d).ToString("0.###", CultureInfo.InvariantCulture);
var align = (textAlign ?? "center").Trim().ToLowerInvariant();
var esc = EscapeHtml(text);
var textElem = align switch
{
"left" => $"<text x=\"{leftStr}\" y=\"{yStr}\" text-anchor=\"start\" font-size=\"{safeFs}\" font-family=\"monospace\" fill=\"#000000\">{esc}</text>",
"right" => $"<text x=\"{rightStr}\" y=\"{yStr}\" text-anchor=\"end\" font-size=\"{safeFs}\" font-family=\"monospace\" fill=\"#000000\">{esc}</text>",
"justify" => $"<text x=\"{leftStr}\" y=\"{yStr}\" text-anchor=\"start\" textLength=\"{widthStr}\" lengthAdjust=\"spacing\" font-size=\"{safeFs}\" font-family=\"monospace\" fill=\"#000000\">{esc}</text>",
_ => $"<text x=\"{midX}\" y=\"{yStr}\" text-anchor=\"middle\" font-size=\"{safeFs}\" font-family=\"monospace\" fill=\"#000000\">{esc}</text>",
};
// 插入 </svg> 闭合标签之前
return Regex.Replace(svg, @"</svg>", $"{textElem}</svg>", RegexOptions.IgnoreCase);
}
/// <summary>
/// 收紧条码水平 viewBox裁掉左右静区仅调整 x/width不改 y/height。
/// </summary>
private static string TightenBarcodeHorizontalViewBox(string svg, double fallbackWidth)
{
var (x0, y0, vbW, vbH) = ParseViewBoxOrDefault(svg, fallbackWidth);
var (inkLeft, inkRight) = ResolveBarcodeInkBounds(svg, vbW);
var inkW = inkRight - inkLeft;
if (inkW <= 1e-6) return svg;
var newX = x0 + inkLeft;
var newViewBox = $"viewBox=\"{newX.ToString("0.###", CultureInfo.InvariantCulture)} {y0.ToString("0.###", CultureInfo.InvariantCulture)} {inkW.ToString("0.###", CultureInfo.InvariantCulture)} {vbH.ToString("0.###", CultureInfo.InvariantCulture)}\"";
return Regex.Replace(svg, @"viewBox\s*=\s*""[^""]+""", newViewBox, RegexOptions.IgnoreCase);
}
private static (double x0, double y0, double w, double h) ParseViewBoxOrDefault(string svg, double fallbackWidth = 200, double fallbackHeight = 60)
{
var m = Regex.Match(svg ?? string.Empty, @"viewBox\s*=\s*""([^""]+)""", RegexOptions.IgnoreCase);
if (m.Success)
{
var parts = Regex.Split(m.Groups[1].Value.Trim(), @"[\s,]+");
if (parts.Length >= 4
&& double.TryParse(parts[0], NumberStyles.Any, CultureInfo.InvariantCulture, out var x0)
&& double.TryParse(parts[1], NumberStyles.Any, CultureInfo.InvariantCulture, out var y0)
&& double.TryParse(parts[2], NumberStyles.Any, CultureInfo.InvariantCulture, out var w)
&& double.TryParse(parts[3], NumberStyles.Any, CultureInfo.InvariantCulture, out var h)
&& w > 0 && h > 0)
{
return (x0, y0, w, h);
}
}
return (0d, 0d, Math.Max(1d, fallbackWidth), Math.Max(1d, fallbackHeight));
}
/// <summary>
/// 从 SVG 中提取条码“黑色墨迹”的左右边界。
/// 优先扫描 &lt;rect&gt;,忽略白色/透明填充;失败时回退到整块 viewBox。
/// </summary>
private static (double left, double right) ResolveBarcodeInkBounds(string svg, double fallbackWidth)
{
if (string.IsNullOrWhiteSpace(svg))
return (0d, Math.Max(1d, fallbackWidth));
var rects = Regex.Matches(svg, @"<rect\b[^>]*>", RegexOptions.IgnoreCase);
double minX = double.PositiveInfinity;
double maxX = double.NegativeInfinity;
foreach (Match m in rects)
{
var tag = m.Value;
// 跳过明显的白底/透明背景 rect
var fill = ReadSvgAttr(tag, "fill")?.Trim().ToLowerInvariant();
if (fill is "none" or "transparent" or "#fff" or "#ffffff" or "white")
continue;
var xs = ReadSvgAttr(tag, "x");
var ws = ReadSvgAttr(tag, "width");
if (!TryParseSvgNumber(xs, out var x) || !TryParseSvgNumber(ws, out var w) || w <= 0)
continue;
if (x < minX) minX = x;
if (x + w > maxX) maxX = x + w;
}
if (double.IsInfinity(minX) || double.IsInfinity(maxX) || maxX <= minX)
return (0d, Math.Max(1d, fallbackWidth));
return (minX, maxX);
}
private static string? ReadSvgAttr(string tag, string attr)
{
if (string.IsNullOrWhiteSpace(tag) || string.IsNullOrWhiteSpace(attr))
return null;
var mm = Regex.Match(tag, $@"\b{Regex.Escape(attr)}\s*=\s*(""([^""]*)""|'([^']*)')", RegexOptions.IgnoreCase);
if (!mm.Success) return null;
return !string.IsNullOrEmpty(mm.Groups[2].Value) ? mm.Groups[2].Value : mm.Groups[3].Value;
}
private static bool TryParseSvgNumber(string? raw, out double value)
{
value = 0;
if (string.IsNullOrWhiteSpace(raw)) return false;
var s = raw.Trim();
// 支持 "123", "123.45", "123px";百分比不参与墨迹边界计算
if (s.EndsWith("%", StringComparison.Ordinal)) return false;
s = Regex.Replace(s, @"[^\d\.\-+eE]", "");
return double.TryParse(s, NumberStyles.Any, CultureInfo.InvariantCulture, out value);
}
/// <summary>
/// 估算 1D 条码所需的模块数(即最窄条单位个数),用于给 ZXing 提供合适的 Width
/// 确保 SVG viewBox 比例稳定。各码制按字符 × 每字符模块数 + 起止/校验粗略估算。
/// </summary>
private static int EstimateBarcodeModuleCount(string value, BarcodeFormat format)
{
var n = Math.Max(1, value?.Length ?? 1);
return format switch
{
BarcodeFormat.CODE_128 => n * 11 + 35,
BarcodeFormat.CODE_39 => (n + 2) * 13,
BarcodeFormat.CODE_93 => (n + 4) * 9,
BarcodeFormat.EAN_13 => 95,
BarcodeFormat.UPC_A => 95,
BarcodeFormat.EAN_8 => 67,
BarcodeFormat.UPC_E => 51,
BarcodeFormat.ITF => (n / 2 + 1) * 9 + 7,
BarcodeFormat.CODABAR => (n + 2) * 10,
_ => n * 11 + 35,
};
}
// ─── Image ─────────────────────────────────────────────────────────────
private static string RenderImage(JsonNode el, JsonObject data, string posStyle,
bool bandRepeat = false, double designY = 0, double pageHeightMm = 0, int totalPages = 1)
{
var bindFieldRaw = ReadAsString(el["bindField"]);
var bindField = string.IsNullOrWhiteSpace(bindFieldRaw) ? null : bindFieldRaw.Trim();
var src = ReadAsString(el["src"], string.Empty);
if (bindField != null)
src = ResolveField(data, bindField)?.ToString() ?? string.Empty;
var fit = ReadAsString(el["fit"], "contain");
var objFit = fit switch { "fill" => "fill", "cover" => "cover", _ => "contain" };
var inner = $"<img src=\"{EscapeHtml(src)}\" style=\"width:100%;height:100%;object-fit:{objFit};\" />";
if (!bandRepeat || totalPages <= 1)
return $"<div class=\"el\" style=\"{posStyle}\">{inner}</div>\n";
var baseNoTop = RemoveCssProperty(posStyle, "top");
var sb = new StringBuilder();
for (var p = 0; p < totalPages; p++)
{
var top = designY + p * pageHeightMm;
sb.Append($"<div class=\"el\" style=\"top:{top.ToString("0.###", CultureInfo.InvariantCulture)}mm;{baseNoTop}\">{inner}</div>\n");
}
return sb.ToString();
}
// ─── FreeTable ──────────────────────────────────────────────────────────
// printRepeated=true 或 bandRepeat=true 时在每页重复否则仅在第1页显示
private static string RenderFreeTable(JsonNode el, JsonObject data, string posStyle, double wMm, double hMm,
double designY, int totalPages, double pageHeightMm, bool bandRepeat = false)
{
var innerHtml = BuildFreeTableInnerHtml(el, data, wMm, hMm);
var printRepeat = string.Equals(ReadAsString(el["printRepeated"]), "true", StringComparison.OrdinalIgnoreCase);
var repeat = (printRepeat || bandRepeat) && totalPages > 1;
var baseNoTop = RemoveCssProperty(RemoveCssProperty(posStyle, "height"), "top");
if (!repeat)
return $"<div class=\"el\" style=\"top:{designY.ToString("0.###", CultureInfo.InvariantCulture)}mm;{baseNoTop}height:auto;overflow:visible;\">{innerHtml}</div>\n";
var sb = new StringBuilder();
for (var p = 0; p < totalPages; p++)
{
var top = designY + p * pageHeightMm;
sb.Append($"<div class=\"el\" style=\"top:{top.ToString("0.###", CultureInfo.InvariantCulture)}mm;{baseNoTop}height:auto;overflow:visible;\">{innerHtml}</div>\n");
}
return sb.ToString();
}
private static string BuildFreeTableInnerHtml(JsonNode el, JsonObject data, double wMm, double hMm)
{
var rowCount = Math.Max(1, el["rowCount"]?.GetValue<int>() ?? 1);
var colCount = Math.Max(1, el["colCount"]?.GetValue<int>() ?? 1);
var cells = el["cells"]?.AsArray() ?? [];
var borderColor = ReadAsString(el["borderColor"], "#222222") ?? "#222222";
var borderWidth = Math.Max(1, el["borderWidth"]?.GetValue<int>() ?? 1);
var colWidths = ResolveFreeTableColWidths(el, colCount, wMm);
var rowHeights = ResolveFreeTableRowHeights(el, rowCount, hMm);
var anchors = NormalizeFreeTableAnchors(rowCount, colCount, cells);
// Pre-group anchors by row for O(n) iteration
var anchorsByRow = anchors
.GroupBy(a => a.Row)
.ToDictionary(g => g.Key, g => g.OrderBy(a => a.Col).ToList());
var sb = new StringBuilder();
sb.Append($"<table style=\"width:{wMm.ToString("0.###", CultureInfo.InvariantCulture)}mm;border-collapse:collapse;border-spacing:0;table-layout:fixed;box-sizing:border-box;\">");
sb.Append("<colgroup>");
foreach (var cw in colWidths)
sb.Append($"<col style=\"width:{cw.ToString("0.###", CultureInfo.InvariantCulture)}mm;box-sizing:border-box;\" />");
sb.Append("</colgroup><tbody>");
for (var r = 0; r < rowCount; r++)
{
var rh = r < rowHeights.Length ? rowHeights[r] : hMm / rowCount;
sb.Append($"<tr style=\"height:{rh.ToString("0.###", CultureInfo.InvariantCulture)}mm;box-sizing:border-box;\">");
if (!anchorsByRow.TryGetValue(r, out var rowAnchors))
rowAnchors = new List<FreeTableAnchorCell>();
foreach (var cell in rowAnchors)
{
var rs = cell.Rowspan;
var cs = cell.Colspan;
// 边框计算(完整 outer/inner/hideBorder 体系)
var sides = ResolveFreeTableCellBorderSides(el, anchors, cell, rowCount, colCount);
var lineKeys = ResolveFreeTableCellLineStyleKeys(el, cell.Row, cell.Col, rs, cs, rowCount, colCount);
var borderCss = BorderSidesToCssFragment(sides, borderWidth, borderColor, lineKeys);
// 跨列/跨行高度(用于自适应字号和内边距)
var spanW = 0d;
for (var ci = cell.Col; ci < cell.Col + cs && ci < colWidths.Length; ci++)
spanW += colWidths[ci];
var spanH = 0d;
for (var ri = cell.Row; ri < cell.Row + rs && ri < rowHeights.Length; ri++)
spanH += rowHeights[ri];
// 随行高自适应内边距(行越密 padding 越小,防止把行撑高导致底部被裁切)
const double pxPerMm96 = 96d / 25.4d;
var vPadMm = Math.Max(0.15d, Math.Min(0.8d, spanH * 0.08d));
var hPadMm = Math.Max(0.3d, Math.Min(1.2d, vPadMm * 1.6d));
// 随行高自动收缩字号(与前端 renderFreeTable fitFontSize 逻辑一致)
var innerHmm = Math.Max(0.1d, spanH - vPadMm * 2d);
var innerHpx = innerHmm * pxPerMm96;
var fitFontSize = Math.Max(1d, Math.Min(cell.FontSize, Math.Floor(innerHpx * 0.82d)));
// 内容渲染(支持所有 contentType
var innerHtml = RenderFreeTableCellContent(cell, data);
// 排版样式
var nowrap = !cell.AutoWrap;
var ws = nowrap ? "nowrap" : "normal";
var wb = nowrap ? "normal" : "break-all";
var ow = nowrap ? "normal" : "anywhere";
var lh = nowrap ? $"{innerHmm.ToString("0.###", CultureInfo.InvariantCulture)}mm" : "1.15";
var widthCss = $"width:{spanW.ToString("0.###", CultureInfo.InvariantCulture)}mm;";
var rsAttr = rs > 1 ? $" rowspan=\"{rs}\"" : string.Empty;
var csAttr = cs > 1 ? $" colspan=\"{cs}\"" : string.Empty;
sb.Append($"<td{rsAttr}{csAttr} style=\"box-sizing:border-box;{borderCss}{widthCss}padding:{vPadMm.ToString("0.###", CultureInfo.InvariantCulture)}mm {hPadMm.ToString("0.###", CultureInfo.InvariantCulture)}mm;text-align:{cell.Align};vertical-align:{cell.VerticalAlign};font-size:{fitFontSize.ToString("0.###", CultureInfo.InvariantCulture)}px;color:{cell.Color};background:{cell.BackgroundColor};white-space:{ws};word-break:{wb};overflow-wrap:{ow};line-height:{lh};\">");
sb.Append(innerHtml);
sb.Append("</td>");
}
sb.Append("</tr>");
}
sb.Append("</tbody></table>");
return sb.ToString();
}
// ─── 自由表格:锚点单元格 ─────────────────────────────────────────────
private sealed record FreeTableAnchorCell
{
public int Row { get; init; }
public int Col { get; init; }
public int Rowspan { get; init; } = 1;
public int Colspan { get; init; } = 1;
public string Text { get; init; } = string.Empty;
public string? BindField { get; init; }
public string ContentType { get; init; } = "text";
public string Align { get; init; } = "left";
public string VerticalAlign { get; init; } = "middle";
public double FontSize { get; init; } = 12d;
public string Color { get; init; } = "#111111";
public string BackgroundColor{ get; init; } = "#ffffff";
public bool HideBorderTop { get; init; }
public bool HideBorderRight { get; init; }
public bool HideBorderBottom { get; init; }
public bool HideBorderLeft { get; init; }
public bool? FillCell { get; init; } // null → true for media content
public double ContentScale { get; init; } = 100d;
public string? ImageFit { get; init; }
public int DecimalPlaces { get; init; } = 2;
public string? AmountType { get; init; }
public bool AutoWrap { get; init; } = true;
// 条码专属
public string? BarcodeFormat { get; init; }
public bool DisplayBarcodeValue { get; init; } = true;
public int BarcodeFontSize { get; init; } = 14;
}
private static FreeTableAnchorCell ParseFreeTableCell(JsonObject c)
{
var ct = (ReadAsString(c["contentType"]) ?? "text").Trim().ToLowerInvariant();
if (ct is not ("text" or "image" or "qrcode" or "barcode" or "number" or "amount"))
ct = "text";
var bf = ReadAsString(c["bindField"])?.Trim();
var imgFit = ReadAsString(c["imageFit"]);
if (imgFit is not ("fill" or "contain" or "cover")) imgFit = null;
var amtType = ReadAsString(c["amountType"]);
if (amtType is not ("CNY" or "USD" or "EUR")) amtType = null;
return new FreeTableAnchorCell
{
Row = Math.Max(0, c["row"]?.GetValue<int>() ?? 0),
Col = Math.Max(0, c["col"]?.GetValue<int>() ?? 0),
Rowspan = Math.Max(1, c["rowspan"]?.GetValue<int>() ?? 1),
Colspan = Math.Max(1, c["colspan"]?.GetValue<int>() ?? 1),
Text = ReadAsString(c["text"]) ?? string.Empty,
BindField = string.IsNullOrWhiteSpace(bf) ? null : bf,
ContentType = ct,
Align = ReadAsString(c["align"], "left") ?? "left",
VerticalAlign = ReadAsString(c["verticalAlign"], "middle") ?? "middle",
FontSize = Math.Max(8d, c["fontSize"]?.GetValue<double>() ?? 12d),
Color = ReadAsString(c["color"], "#111111") ?? "#111111",
BackgroundColor = ReadAsString(c["backgroundColor"], "#ffffff") ?? "#ffffff",
HideBorderTop = ReadBoolDefault(c["hideBorderTop"], false),
HideBorderRight = ReadBoolDefault(c["hideBorderRight"], false),
HideBorderBottom = ReadBoolDefault(c["hideBorderBottom"], false),
HideBorderLeft = ReadBoolDefault(c["hideBorderLeft"], false),
FillCell = c["fillCell"] != null ? (bool?)ReadBoolDefault(c["fillCell"], true) : null,
ContentScale = Math.Max(10d, Math.Min(100d, c["contentScale"]?.GetValue<double>() ?? 100d)),
ImageFit = imgFit,
DecimalPlaces = Math.Clamp(c["decimalPlaces"]?.GetValue<int>() ?? 2, 0, 6),
AmountType = amtType,
AutoWrap = !string.Equals(ReadAsString(c["autoWrap"]), "false", StringComparison.OrdinalIgnoreCase),
BarcodeFormat = ReadAsString(c["barcodeFormat"]),
DisplayBarcodeValue = !string.Equals(ReadAsString(c["displayValue"]), "false", StringComparison.OrdinalIgnoreCase),
BarcodeFontSize = Math.Max(8, (int)Math.Round(c["barcodeFontSize"]?.GetValue<double>() ?? 14d)),
};
}
private static FreeTableAnchorCell DefaultFreeTableCell(int row, int col) => new()
{
Row = row, Col = col
};
/// <summary>
/// 移植自前端 normalizeFreeTableAnchors去除重叠、填补空格返回排序后的锚点列表。
/// </summary>
private static List<FreeTableAnchorCell> NormalizeFreeTableAnchors(int rowCount, int colCount, JsonArray cells)
{
var occ = new bool[rowCount, colCount];
var anchors = new List<FreeTableAnchorCell>();
// 解析 + 排序
var parsed = cells.OfType<JsonObject>()
.Select(ParseFreeTableCell)
.OrderBy(c => c.Row).ThenBy(c => c.Col)
.ToList();
foreach (var c in parsed)
{
var rs = Math.Min(c.Rowspan, rowCount - c.Row);
var cs = Math.Min(c.Colspan, colCount - c.Col);
if (rs < 1 || cs < 1 || c.Row >= rowCount || c.Col >= colCount) continue;
var overlap = false;
for (var dr = 0; dr < rs && !overlap; dr++)
for (var dc = 0; dc < cs && !overlap; dc++)
if (occ[c.Row + dr, c.Col + dc]) overlap = true;
if (overlap) continue;
for (var dr = 0; dr < rs; dr++)
for (var dc = 0; dc < cs; dc++)
occ[c.Row + dr, c.Col + dc] = true;
anchors.Add(c with { Rowspan = rs, Colspan = cs });
}
// 填补未覆盖格
for (var r = 0; r < rowCount; r++)
for (var c = 0; c < colCount; c++)
if (!occ[r, c])
{
occ[r, c] = true;
anchors.Add(DefaultFreeTableCell(r, c));
}
anchors.Sort((a, b) => a.Row != b.Row ? a.Row.CompareTo(b.Row) : a.Col.CompareTo(b.Col));
return anchors;
}
/// <summary>
/// 找到"拥有" (r, c) 位置的锚点格(考虑合并跨度)。
/// </summary>
private static FreeTableAnchorCell GetFreeTableOwnerAt(List<FreeTableAnchorCell> anchors, int r, int c)
{
foreach (var cell in anchors)
{
if (r >= cell.Row && r < cell.Row + Math.Max(1, cell.Rowspan) &&
c >= cell.Col && c < cell.Col + Math.Max(1, cell.Colspan))
return cell;
}
return DefaultFreeTableCell(r, c);
}
// ─── 自由表格:列宽/行高轨道 ──────────────────────────────────────────
private static double[] ResolveFreeTableColWidths(JsonNode el, int colCount, double wMm)
{
var raw = el["colWidths"]?.AsArray();
if (raw == null || raw.Count != colCount)
return EvenSplitTracks(wMm, colCount);
var tracks = raw.Select(n => Math.Max(4d, n?.GetValue<double>() ?? 4d)).ToArray();
return ClampTrackSumToTotal(tracks, wMm);
}
private static double[] ResolveFreeTableRowHeights(JsonNode el, int rowCount, double hMm)
{
var raw = el["rowHeights"]?.AsArray();
if (raw == null || raw.Count != rowCount)
return EvenSplitTracks(hMm, rowCount);
var tracks = raw.Select(n => Math.Max(4d, n?.GetValue<double>() ?? 4d)).ToArray();
return ClampTrackSumToTotal(tracks, hMm);
}
private static double[] EvenSplitTracks(double total, int count)
{
var n = Math.Max(1, count);
var t = Math.Max(0.01, total);
var baseVal = Ft2(t / n);
var arr = Enumerable.Repeat(baseVal, n).ToArray();
var sum = arr.Sum();
arr[n - 1] = Ft2(arr[n - 1] + (t - sum));
return arr;
}
private static double[] ClampTrackSumToTotal(double[] tracks, double total, double minMm = 4d)
{
var n = tracks.Length;
if (n == 0) return Array.Empty<double>();
var t = Math.Max(0.01, total);
var next = tracks.Select(x => Ft2(Math.Max(minMm, x))).ToArray();
var sum = next.Sum();
if (Math.Abs(sum - t) < 0.02) return next;
var scale = t / sum;
next = next.Select(x => Ft2(x * scale)).ToArray();
sum = next.Sum();
next[n - 1] = Ft2(next[n - 1] + (t - sum));
return next;
}
// round to 2 decimal places与前端 round2 一致)
private static double Ft2(double x) => Math.Round(x * 100d) / 100d;
// ─── 自由表格:边框体系 ───────────────────────────────────────────────
/// <summary>
/// 移植自前端 resolveFreeTableCellBorderSides计算单元格四边是否画线。
/// 同时考虑 outerBorder / innerBorder 开关、单元格 hideBorder* 及相邻格共享边。
/// </summary>
private static (bool top, bool right, bool bottom, bool left) ResolveFreeTableCellBorderSides(
JsonNode el, List<FreeTableAnchorCell> anchors,
FreeTableAnchorCell cell, int rowCount, int colCount)
{
var ob = el["outerBorder"];
var ib = el["innerBorder"];
// outer 四边缺省均为 true
var outerTop = ReadBoolDefault(ob?["top"], true);
var outerRight = ReadBoolDefault(ob?["right"], true);
var outerBottom = ReadBoolDefault(ob?["bottom"], true);
var outerLeft = ReadBoolDefault(ob?["left"], true);
// inner 缺省横纵均显示
var innerH = ReadBoolDefault(ib?["horizontal"], true);
var innerV = ReadBoolDefault(ib?["vertical"], true);
int r = cell.Row, c = cell.Col, rs = cell.Rowspan, cs = cell.Colspan;
int rEnd = r + rs - 1, cEnd = c + cs - 1;
var top = r == 0 ? outerTop : innerH;
var right = cEnd == colCount - 1 ? outerRight : innerV;
var bottom = rEnd == rowCount - 1 ? outerBottom : innerH;
var left = c == 0 ? outerLeft : innerV;
// 单元格级别隐藏
if (cell.HideBorderTop) top = false;
if (cell.HideBorderRight) right = false;
if (cell.HideBorderBottom) bottom = false;
if (cell.HideBorderLeft) left = false;
// 共享边:相邻格若声明隐藏其接触边,则本格也不画
if (top && r > 0)
{
for (var cc = c; cc <= cEnd; cc++)
{
if (GetFreeTableOwnerAt(anchors, r - 1, cc).HideBorderBottom) { top = false; break; }
}
}
if (bottom && rEnd < rowCount - 1)
{
var belowRow = r + rs;
for (var cc = c; cc <= cEnd; cc++)
{
if (GetFreeTableOwnerAt(anchors, belowRow, cc).HideBorderTop) { bottom = false; break; }
}
}
if (left && c > 0)
{
for (var rr = r; rr <= rEnd; rr++)
{
if (GetFreeTableOwnerAt(anchors, rr, c - 1).HideBorderRight) { left = false; break; }
}
}
if (right && cEnd < colCount - 1)
{
var rightCol = c + cs;
for (var rr = r; rr <= rEnd; rr++)
{
if (GetFreeTableOwnerAt(anchors, rr, rightCol).HideBorderLeft) { right = false; break; }
}
}
return (top, right, bottom, left);
}
/// <summary>
/// 移植自前端 resolveFreeTableCellLineStyleKeys按位置判断各边线型外框/横/竖)。
/// </summary>
private static (string top, string right, string bottom, string left) ResolveFreeTableCellLineStyleKeys(
JsonNode el, int anchorRow, int anchorCol, int rs, int cs, int rowCount, int colCount)
{
int rEnd = anchorRow + rs - 1, cEnd = anchorCol + cs - 1;
var outerStyle = ReadAsString(el["outerBorderLineStyle"], "solid") ?? "solid";
var hStyle = ReadAsString(el["innerBorderHorizontalLineStyle"], "solid") ?? "solid";
var vStyle = ReadAsString(el["innerBorderVerticalLineStyle"], "solid") ?? "solid";
return (
top: anchorRow == 0 ? outerStyle : hStyle,
right: cEnd == colCount - 1 ? outerStyle : vStyle,
bottom: rEnd == rowCount - 1 ? outerStyle : hStyle,
left: anchorCol == 0 ? outerStyle : vStyle
);
}
private static string BorderSidesToCssFragment(
(bool top, bool right, bool bottom, bool left) sides,
int bw, string color,
(string top, string right, string bottom, string left) lineStyles)
{
var t = sides.top ? $"{bw}px {LineStyleToCss(lineStyles.top)} {color}" : "none";
var r = sides.right ? $"{bw}px {LineStyleToCss(lineStyles.right)} {color}" : "none";
var b = sides.bottom ? $"{bw}px {LineStyleToCss(lineStyles.bottom)} {color}" : "none";
var l = sides.left ? $"{bw}px {LineStyleToCss(lineStyles.left)} {color}" : "none";
return $"border-top:{t};border-right:{r};border-bottom:{b};border-left:{l};";
}
private static string LineStyleToCss(string key) => key switch
{
"dashed" => "dashed",
"dotted" => "dotted",
"dash_dot" => "dashed",
"double_dash_dot" => "double",
_ => "solid"
};
// ─── 自由表格:单元格内容渲染(支持所有 contentType────────────────
private static string RenderFreeTableCellContent(FreeTableAnchorCell cell, JsonObject data)
{
var ct = (cell.ContentType ?? "text").ToLowerInvariant();
// 解析原始值
string rawValue;
if (!string.IsNullOrWhiteSpace(cell.BindField))
rawValue = ResolveField(data, cell.BindField!)?.ToString() ?? string.Empty;
else
rawValue = cell.Text;
// 数值格式化
var displayValue = ct is "number" or "amount"
? FormatFreeTableCellValue(rawValue, cell)
: rawValue;
// image/qrcode/barcode 使用原始值URL、扫描数据文本类使用 displayValue
var innerArg = ct is "image" or "qrcode" or "barcode" ? rawValue : displayValue;
var fillCell = cell.FillCell != false; // null → true
var scale = Math.Max(10d, Math.Min(100d, cell.ContentScale > 0 ? cell.ContentScale : 100d));
if (ct == "image")
{
var fit = cell.ImageFit ?? "contain";
var ws = fillCell ? "100%" : $"{scale.ToString("0", CultureInfo.InvariantCulture)}%";
return $"<img src=\"{EscapeHtml(innerArg)}\" style=\"display:block;margin:0 auto;max-width:100%;max-height:100%;object-fit:{fit};width:{ws};height:{ws};\" />";
}
if (ct == "qrcode")
{
if (string.IsNullOrWhiteSpace(innerArg)) return string.Empty;
try
{
using var gen = new QRCodeGenerator();
var qrData = gen.CreateQrCode(innerArg, QRCodeGenerator.ECCLevel.M);
using var code = new PngByteQRCode(qrData);
var b64 = Convert.ToBase64String(code.GetGraphic(6));
var ws = fillCell ? "100%" : $"{scale.ToString("0", CultureInfo.InvariantCulture)}%";
return $"<img src=\"data:image/png;base64,{b64}\" style=\"display:block;margin:0 auto;max-width:100%;max-height:100%;object-fit:contain;width:{ws};height:{ws};\" />";
}
catch { return EscapeHtml(innerArg); }
}
if (ct == "barcode")
{
var ws = fillCell ? "100%" : $"{scale.ToString("0", CultureInfo.InvariantCulture)}%";
var hs = fillCell ? "100%" : $"{Math.Max(20d, scale * 0.6d).ToString("0", CultureInfo.InvariantCulture)}%";
var svg = BuildBarcodeCellSvg(innerArg, cell.BarcodeFormat, cell.DisplayBarcodeValue, null, cell.BarcodeFontSize);
return $"<div style=\"display:flex;align-items:center;justify-content:center;width:{ws};height:{hs};margin:0 auto;overflow:hidden;\">{svg}</div>";
}
return EscapeHtml(displayValue);
}
private static string FormatFreeTableCellValue(string raw, FreeTableAnchorCell cell)
{
if (!double.TryParse(raw, NumberStyles.Any, CultureInfo.InvariantCulture, out var d) &&
!double.TryParse(raw, NumberStyles.Any, CultureInfo.CurrentCulture, out d))
return raw;
var decimals = Math.Clamp(cell.DecimalPlaces, 0, 6);
var formatted = d.ToString("N" + decimals, CultureInfo.CurrentCulture);
if (string.Equals(cell.ContentType, "amount", StringComparison.OrdinalIgnoreCase))
{
var symbol = cell.AmountType switch { "USD" => "$", "EUR" => "EUR ", _ => "¥" };
return symbol + formatted;
}
return formatted;
}
private static bool ReadBoolDefault(JsonNode? node, bool defaultValue)
{
if (node == null) return defaultValue;
if (node is JsonValue v)
{
if (v.TryGetValue<bool>(out var b)) return b;
var s = v.ToString();
if (string.Equals(s, "false", StringComparison.OrdinalIgnoreCase)) return false;
if (string.Equals(s, "true", StringComparison.OrdinalIgnoreCase)) return true;
}
return defaultValue;
}
// ─── Table / DetailTable ───────────────────────────────────────────────
private static string RenderDetailTable(JsonNode el, JsonObject data, string posStyle,
double designY, double pageHeightMm, double marginTopMm, double marginBottomMm,
JsonArray allElements, bool repeatHeaderByPage = false, double headerBandHeight = 0d)
{
var source = ReadAsString(el["source"], "mainTable");
var showHeader = !string.Equals(ReadAsString(el["showHeader"], "true"), "false", StringComparison.OrdinalIgnoreCase);
var rowHeightMm = Math.Max(6d, el["rowHeight"]?.GetValue<double>() ?? 8d);
var headerBg = ReadAsString(el["headerBgColor"], "#f5f5f5");
var headerText = ReadAsString(el["headerTextColor"], "#111111");
var columns = el["columns"]?.AsArray() ?? [];
if (columns.Count == 0) return string.Empty;
// 元素级字体基准
var bodyFontSizeBase = el["bodyFontSize"]?.GetValue<double>() ?? 12d;
var headerFontSizeBase = el["headerFontSize"]?.GetValue<double>() ?? 12d;
var columnsList = columns.OfType<JsonObject>().ToList();
var rows = ResolveTableRows(data, source);
var footerMode = (ReadAsString(el["footerTotalMode"], "overall") ?? "overall").ToLowerInvariant();
var showFooter = !string.Equals(ReadAsString(el["footerShowTotal"], "true"), "false", StringComparison.OrdinalIgnoreCase);
// 行合并配置
var mergeColumnKeys = el["mergeColumnKeys"]?.AsArray()
?.Select(n => ReadAsString(n) ?? string.Empty)
.Where(s => !string.IsNullOrEmpty(s))
.ToArray() ?? [];
var strictGrouping = !string.Equals(ReadAsString(el["strictGrouping"], "true"), "false", StringComparison.OrdinalIgnoreCase);
var detailH = el["h"]?.GetValue<double>() ?? 8d;
var repeatFreeConstrains = RepeatingFreeTableConstrainsDetail(allElements, designY, detailH);
List<List<JsonObject>> chunks;
var tableMode = (ReadAsString(el["tableHeightMode"], "autoPage") ?? "autoPage").ToLowerInvariant();
if (tableMode == "fixedrows")
{
var pageSize = Math.Max(1, el["fixedRows"]?.GetValue<int>() ?? 5);
chunks = ChunkRowsFixed(rows, pageSize);
}
else
{
chunks = ComputeAutoPageChunks(el, rows, columns, designY, pageHeightMm,
marginTopMm, marginBottomMm, showFooter, footerMode, rowHeightMm,
repeatFreeConstrains, headerBandHeight);
}
var sb = new StringBuilder();
var baseStyleNoTop = RemoveCssProperty(RemoveCssProperty(posStyle, "height"), "top");
for (var pageIdx = 0; pageIdx < chunks.Count; pageIdx++)
{
// 续页起点
double top;
if (pageIdx == 0 || repeatFreeConstrains)
top = designY + pageIdx * pageHeightMm;
else
top = pageIdx * pageHeightMm + marginTopMm
+ (repeatHeaderByPage ? headerBandHeight : 0d);
var isLastChunk = pageIdx == chunks.Count - 1;
var chunkRows = chunks[pageIdx];
var rowSpanMap = BuildRowSpanMap(chunkRows, columns, mergeColumnKeys, strictGrouping);
sb.Append($"<div class=\"el qhmes-native-table-chunk\" style=\"top:{top.ToString("0.###", CultureInfo.InvariantCulture)}mm;{baseStyleNoTop}height:auto;overflow:visible;\">");
sb.Append("<table style=\"width:100%;border-collapse:collapse;table-layout:fixed;\">");
if (showHeader)
{
var headerRows = BuildTableHeaderRows(el, columnsList);
var headerHeightMm = Math.Max(6d, el["headerHeight"]?.GetValue<double>() ?? 10d);
var headerRowHeightMm = headerHeightMm / Math.Max(1, headerRows.Count);
sb.Append("<thead>");
foreach (var hrow in headerRows)
{
sb.Append($"<tr style=\"height:{headerRowHeightMm.ToString("0.###", CultureInfo.InvariantCulture)}mm;\">");
foreach (var hcell in hrow)
{
var colNode = (hcell.Col >= 0 && hcell.Col < columnsList.Count)
? (JsonNode?)columnsList[hcell.Col] : null;
var hFontFamily = ReadAsString(colNode?["fontFamily"]) ?? "inherit";
var hFontColor = ReadAsString(colNode?["fontColor"]) ?? headerText;
var hAutoWrap = !string.Equals(ReadAsString(colNode?["autoWrap"]), "false", StringComparison.OrdinalIgnoreCase);
// 合并跨列宽度之和,用于字号自适应
var spanWidthMm = 0d;
for (var ci = hcell.Col; ci < hcell.Col + hcell.ColSpan && ci < columnsList.Count; ci++)
spanWidthMm += columnsList[ci]["width"]?.GetValue<double>() ?? 30d;
var cellHeightMm = headerRowHeightMm * hcell.RowSpan;
var hFontSize = ResolvePrintAutoFontSize(colNode, hcell.Title,
Math.Max(1d, spanWidthMm), cellHeightMm, headerFontSizeBase);
var hWs = hAutoWrap ? "normal" : "nowrap";
var hWb = hAutoWrap ? "break-all" : "normal";
var hOw = hAutoWrap ? "anywhere" : "normal";
var hLh = hAutoWrap ? "1.3" : $"{cellHeightMm.ToString("0.###", CultureInfo.InvariantCulture)}mm";
var rs = hcell.RowSpan > 1 ? $" rowspan=\"{hcell.RowSpan}\"" : string.Empty;
var cs = hcell.ColSpan > 1 ? $" colspan=\"{hcell.ColSpan}\"" : string.Empty;
sb.Append($"<th{rs}{cs} style=\"border:1px solid #222;padding:2mm;text-align:{hcell.Align};font-weight:600;background:{headerBg};color:{hFontColor};font-family:{hFontFamily};font-size:{hFontSize}px;white-space:{hWs};word-break:{hWb};overflow-wrap:{hOw};line-height:{hLh};width:{hcell.WidthPercent.ToString("0.###", CultureInfo.InvariantCulture)}%;\">{EscapeHtml(hcell.Title)}</th>");
}
sb.Append("</tr>");
}
sb.Append("</thead>");
}
sb.Append("<tbody>");
for (var rowIdx = 0; rowIdx < chunkRows.Count; rowIdx++)
{
var row = chunkRows[rowIdx];
sb.Append($"<tr style=\"min-height:{rowHeightMm.ToString("0.###", CultureInfo.InvariantCulture)}mm;\">");
foreach (var col in columns)
{
var field = ReadAsString(col?["bindField"]) ?? ReadAsString(col?["field"]);
var spanKey = $"{rowIdx}_{field ?? string.Empty}";
if (rowSpanMap.TryGetValue(spanKey, out var spanVal) && spanVal == 0)
continue;
var rowspanAttr = (rowSpanMap.TryGetValue(spanKey, out var rsVal) && rsVal > 1)
? $" rowspan=\"{rsVal}\""
: string.Empty;
var align = ReadAsString(col?["align"], "left");
var contentType = ReadAsString(col?["contentType"], "text");
var autoWrap = !string.Equals(ReadAsString(col?["autoWrap"], "true"), "false", StringComparison.OrdinalIgnoreCase);
var raw = !string.IsNullOrWhiteSpace(field) ? ResolveField(row, field!) : null;
var text = FormatColumnValue(raw, col, contentType);
var html = ResolveTableCellInnerHtml(contentType, text, col);
// 字体fontFamily / fontColor / fontSize含 autoFitFont 自适应)
var fontFamily = ReadAsString(col?["fontFamily"], "inherit") ?? "inherit";
var fontColor = ReadAsString(col?["fontColor"], "#111111") ?? "#111111";
var colWidthMm = Math.Max(1d, col?["width"]?.GetValue<double>() ?? 30d);
var useCustomFs = string.Equals(ReadAsString(col?["useCustomFontSize"]), "true", StringComparison.OrdinalIgnoreCase);
var bodyBaseSize = useCustomFs
? (col?["fontSize"]?.GetValue<double>() ?? bodyFontSizeBase)
: bodyFontSizeBase;
var fontSize = ResolvePrintAutoFontSize(col, text, colWidthMm, rowHeightMm, bodyBaseSize);
var ws = autoWrap ? "normal" : "nowrap";
var wb = autoWrap ? "break-all" : "normal";
var ow = autoWrap ? "anywhere" : "normal";
var lhv = autoWrap ? "1.3" : $"{rowHeightMm.ToString("0.###", CultureInfo.InvariantCulture)}mm";
sb.Append($"<td{rowspanAttr} style=\"border:1px solid #222;padding:2mm;text-align:{align};font-family:{fontFamily};font-size:{fontSize}px;color:{fontColor};white-space:{ws};word-break:{wb};overflow-wrap:{ow};line-height:{lhv};\">{html}</td>");
}
sb.Append("</tr>");
}
sb.Append("</tbody>");
if (showFooter && (footerMode == "page" || isLastChunk))
{
var footerRows = footerMode == "page" ? chunkRows : rows;
sb.Append(BuildFooterHtml(el, footerRows, columns));
}
sb.Append("</table></div>");
}
return sb.ToString();
}
// ─── 行合并 ────────────────────────────────────────────────────────────
private static Dictionary<string, int> BuildRowSpanMap(
List<JsonObject> rows, JsonArray columns,
string[] mergeColumnKeys, bool strictGrouping)
{
var map = new Dictionary<string, int>();
if (rows.Count == 0) return map;
var mergeFields = ResolveMergeFields(columns, mergeColumnKeys);
if (mergeFields.Count == 0) return map;
var currentRanges = new List<(int start, int end)> { (0, rows.Count) };
foreach (var field in mergeFields)
{
var (fieldMap, nextRanges) = BuildRangesByField(rows, field, currentRanges);
foreach (var kv in fieldMap) map[kv.Key] = kv.Value;
if (strictGrouping) currentRanges = nextRanges;
}
return map;
}
private static List<string> ResolveMergeFields(JsonArray columns, string[] mergeColumnKeys)
{
var colList = columns.OfType<JsonObject>().ToList();
if (mergeColumnKeys.Length > 0)
{
// 用 GroupBy 兜底,避免重复 key 抛异常;按 mergeColumnKeys 给定顺序输出对应 bindField/field
var byKey = colList
.GroupBy(c => ReadAsString(c["key"]) ?? string.Empty)
.ToDictionary(
g => g.Key,
g => ReadAsString(g.First()["bindField"]) ?? ReadAsString(g.First()["field"]) ?? string.Empty);
return mergeColumnKeys
.Select(k => byKey.TryGetValue(k, out var f) ? f : string.Empty)
.Where(f => !string.IsNullOrEmpty(f))
.ToList();
}
// 兼容老的列级 mergeByValue 开关
return colList
.Where(c => string.Equals(ReadAsString(c["mergeByValue"]), "true", StringComparison.OrdinalIgnoreCase))
.Select(c => ReadAsString(c["bindField"]) ?? ReadAsString(c["field"]) ?? string.Empty)
.Where(f => !string.IsNullOrEmpty(f))
.ToList();
}
private static (Dictionary<string, int> map, List<(int start, int end)> nextRanges)
BuildRangesByField(List<JsonObject> rows, string field, List<(int start, int end)> ranges)
{
var map = new Dictionary<string, int>();
var nextRanges = new List<(int start, int end)>();
foreach (var (rangeStart, rangeEnd) in ranges)
{
var pos = rangeStart;
while (pos < rangeEnd)
{
var value = ResolveField(rows[pos], field)?.ToString();
var end = pos + 1;
while (end < rangeEnd && ResolveField(rows[end], field)?.ToString() == value)
end++;
map[$"{pos}_{field}"] = end - pos;
for (var i = pos + 1; i < end; i++)
map[$"{i}_{field}"] = 0;
nextRanges.Add((pos, end));
pos = end;
}
}
return (map, nextRanges);
}
// ─── 分页算法 ──────────────────────────────────────────────────────────
private static List<List<JsonObject>> ChunkRowsFixed(List<JsonObject> rows, int pageSize)
{
var size = Math.Max(1, pageSize);
if (rows.Count == 0) return new List<List<JsonObject>> { new() };
var result = new List<List<JsonObject>>();
for (var i = 0; i < rows.Count; i += size)
result.Add(rows.Skip(i).Take(size).ToList());
return result;
}
private static List<List<JsonObject>> ComputeAutoPageChunks(
JsonNode el, List<JsonObject> rows, JsonArray columns,
double designY, double pageHeightMm, double marginTopMm, double marginBottomMm,
bool showFooter, string footerMode, double rowHeightMm,
bool repeatFreeConstrains = false, double headerBandMm = 0d)
{
if (rows.Count == 0) return new List<List<JsonObject>> { new() };
var showHeader = !string.Equals(ReadAsString(el["showHeader"], "true"), "false", StringComparison.OrdinalIgnoreCase);
var headerHeightMm = showHeader ? Math.Max(6d, el["headerHeight"]?.GetValue<double>() ?? 10d) : 0d;
var footerMm = showFooter ? Math.Max(rowHeightMm, 6d) : 0d;
var innerH = pageHeightMm - marginTopMm - marginBottomMm;
var colList = columns.OfType<JsonObject>().ToList();
var rowHeights = rows.Select(r => EstimateRowHeightMm(r, colList, rowHeightMm)).ToList();
const double insetMm = 1.4;
const double fitFactor = 1.03;
var chunks = new List<List<JsonObject>>();
var i = 0;
var pageIdx = 0;
while (i < rows.Count)
{
var remaining = rows.Count - i;
var avail = pageIdx == 0
? innerH - designY - headerHeightMm
: repeatFreeConstrains
? Math.Max(rowHeightMm, innerH - designY - headerHeightMm)
: Math.Max(rowHeightMm, innerH - headerHeightMm - headerBandMm);
var safeAvail = Math.Max(rowHeightMm, avail - insetMm);
var needFooter = showFooter && footerMode == "page";
var maxBodyMm = needFooter ? Math.Max(rowHeightMm, safeAvail - footerMm) : safeAvail;
if (showFooter && footerMode != "page" && remaining <= CalcMaxRows(rowHeights, i, remaining, fitFactor, safeAvail))
{
var bodyMm = rowHeights.Skip(i).Take(remaining).Sum(h => h * fitFactor);
if (bodyMm + footerMm <= safeAvail + 0.02)
{
chunks.Add(rows.Skip(i).Take(remaining).ToList());
break;
}
maxBodyMm = Math.Max(rowHeightMm, safeAvail - footerMm);
}
var take = 0;
var used = 0d;
while (take < remaining && used + rowHeights[i + take] * fitFactor <= maxBodyMm + 0.02)
{
used += rowHeights[i + take] * fitFactor;
take++;
}
if (take == 0) take = 1;
chunks.Add(rows.Skip(i).Take(take).ToList());
i += take;
pageIdx += 1;
if (pageIdx > 5000) break;
}
return chunks.Count > 0 ? chunks : new List<List<JsonObject>> { new() };
}
private static int CalcMaxRows(List<double> heights, int from, int count, double factor, double avail)
{
var used = 0d;
var n = 0;
for (var j = from; j < from + count && j < heights.Count; j++)
{
if (used + heights[j] * factor > avail + 0.02) break;
used += heights[j] * factor;
n++;
}
return n;
}
private static double EstimateRowHeightMm(JsonObject row, List<JsonObject> columns, double baseRowMm)
{
const double padHmm = 4d;
const double mediaExtra = 1.25d;
const double pxPerMm = 96d / 25.4d;
const double mmPerPx = 25.4d / 96d;
var maxH = baseRowMm;
foreach (var col in columns)
{
var contentType = (ReadAsString(col["contentType"], "text") ?? "text").ToLowerInvariant();
var colWMm = Math.Max(1d, col["width"]?.GetValue<double>() ?? 30d);
if (contentType is "qrcode" or "barcode")
{
maxH = Math.Max(maxH, colWMm * 0.93 + padHmm + mediaExtra);
continue;
}
if (contentType == "image")
{
maxH = Math.Max(maxH, colWMm * 0.65 + padHmm);
continue;
}
var autoWrap = !string.Equals(ReadAsString(col["autoWrap"], "true"), "false", StringComparison.OrdinalIgnoreCase);
if (!autoWrap) { maxH = Math.Max(maxH, baseRowMm); continue; }
var field = ReadAsString(col["bindField"]) ?? ReadAsString(col["field"]);
var raw = field != null ? ResolveField(row, field)?.ToString() ?? string.Empty : string.Empty;
if (string.IsNullOrEmpty(raw)) { maxH = Math.Max(maxH, baseRowMm); continue; }
var fs = col["fontSize"]?.GetValue<double>() ?? 12d;
var innerWpx = Math.Max(8d, colWMm * pxPerMm - 4d * pxPerMm);
var lines = EstimateTextWrapLines(raw, innerWpx, fs);
var textHmm = lines * fs * 1.3 * mmPerPx;
maxH = Math.Max(maxH, Math.Max(textHmm + padHmm, baseRowMm));
}
return maxH;
}
private static int EstimateTextWrapLines(string text, double innerWpx, double fontSize)
{
if (string.IsNullOrEmpty(text)) return 1;
var units = 0d;
foreach (var ch in text)
{
var cp = (int)ch;
if (IsFullWidthChar(cp)) units += 1d;
else if (char.IsWhiteSpace(ch)) units += 0.22d;
else units += 0.62d;
}
units = Math.Max(0.01, units);
var unitsPerLine = Math.Max(1.8, innerWpx / Math.Max(1, fontSize) * 0.97);
return Math.Max(1, (int)Math.Ceiling(units / unitsPerLine));
}
private static bool IsFullWidthChar(int cp) =>
(cp >= 0x2E80 && cp <= 0x9FFF) ||
(cp >= 0x3040 && cp <= 0x30FF) ||
(cp >= 0xAC00 && cp <= 0xD7AF) ||
(cp >= 0xF900 && cp <= 0xFAFF) ||
(cp >= 0xFF00 && cp <= 0xFFEF);
// ─── 合计行 ─────────────────────────────────────────────────────────────
private static string BuildFooterHtml(JsonNode el, List<JsonObject> rows, JsonArray columns)
{
var labelColumnKey = ReadAsString(el["footerLabelColumnKey"]) ?? string.Empty;
var labelText = ReadAsString(el["footerLabelText"], "合计") ?? "合计";
var labelCenter = !string.Equals(ReadAsString(el["footerLabelCenter"], "true"), "false", StringComparison.OrdinalIgnoreCase);
var labelAlign = labelCenter ? "center" : "left";
var sb = new StringBuilder("<tfoot><tr>");
var colList = columns.OfType<JsonObject>().ToList();
for (var idx = 0; idx < colList.Count; idx++)
{
var col = colList[idx];
var contentType = (ReadAsString(col["contentType"], "text") ?? "text").ToLowerInvariant();
var isNumeric = contentType is "number" or "amount";
var enableTotal = string.Equals(ReadAsString(col["enableFooterTotal"]), "true", StringComparison.OrdinalIgnoreCase);
var colKey = ReadAsString(col["key"]) ?? string.Empty;
string cellText;
var cellAlign = "left";
if (isNumeric && enableTotal)
{
var field = ReadAsString(col["bindField"]) ?? ReadAsString(col["field"]);
var total = 0d;
if (field != null)
foreach (var row in rows)
{
var raw = ResolveField(row, field)?.ToString();
if (raw != null && double.TryParse(raw, NumberStyles.Any, CultureInfo.InvariantCulture, out var d))
total += d;
}
cellText = FormatColumnValue(total, col, contentType);
cellAlign = ReadAsString(col["align"], "right") ?? "right";
}
else if ((!string.IsNullOrEmpty(labelColumnKey) && colKey == labelColumnKey)
|| (string.IsNullOrEmpty(labelColumnKey) && idx == 0))
{
cellText = labelText;
cellAlign = labelAlign;
}
else
{
cellText = string.Empty;
}
sb.Append($"<td style=\"border:1px solid #222;padding:2mm;font-weight:600;text-align:{cellAlign};background:#fafafa;\">{EscapeHtml(cellText)}</td>");
}
sb.Append("</tr></tfoot>");
return sb.ToString();
}
// ─── 页数计算 ───────────────────────────────────────────────────────────
private static int ResolvePrintPageCount(
JsonArray elements, JsonObject data,
double pageHeightMm, double marginTopMm, double marginBottomMm,
double headerBandHeight = 0d, bool repeatHeaderByPage = false)
{
var headerBandMm = repeatHeaderByPage ? headerBandHeight : 0d;
var pages = 1;
foreach (var el in elements.OfType<JsonObject>())
{
var type = ReadAsString(el["type"], string.Empty);
if (type is not ("table" or "detailTable")) continue;
var source = ReadAsString(el["source"], "mainTable");
var rows = ResolveTableRows(data, source);
var columns = el["columns"]?.AsArray() ?? new JsonArray();
var designY = el["y"]?.GetValue<double>() ?? 0d;
var rowHeightMm = Math.Max(6d, el["rowHeight"]?.GetValue<double>() ?? 8d);
var footerMode = (ReadAsString(el["footerTotalMode"], "overall") ?? "overall").ToLowerInvariant();
var showFooter = !string.Equals(ReadAsString(el["footerShowTotal"], "true"), "false", StringComparison.OrdinalIgnoreCase);
var tableMode = (ReadAsString(el["tableHeightMode"], "autoPage") ?? "autoPage").ToLowerInvariant();
int tablePages;
if (tableMode == "fixedrows")
{
var pageSize = Math.Max(1, el["fixedRows"]?.GetValue<int>() ?? 5);
tablePages = Math.Max(1, (int)Math.Ceiling(rows.Count / (double)pageSize));
}
else
{
var repeatFreeConstrains = RepeatingFreeTableConstrainsDetail(elements, designY, el["h"]?.GetValue<double>() ?? 8d);
var chunks = ComputeAutoPageChunks(el, rows, columns, designY, pageHeightMm,
marginTopMm, marginBottomMm, showFooter, footerMode, rowHeightMm,
repeatFreeConstrains, headerBandMm);
tablePages = Math.Max(1, chunks.Count);
}
pages = Math.Max(pages, tablePages);
}
return Math.Max(1, pages);
}
// ─── 自由表格约束判断 ──────────────────────────────────────────────────
private static bool RepeatingFreeTableConstrainsDetail(JsonArray elements, double detailY, double detailH)
{
var dBottom = detailY + Math.Max(0.01, detailH);
foreach (var el in elements.OfType<JsonObject>())
{
if (!string.Equals(ReadAsString(el["type"]), "freeTable", StringComparison.OrdinalIgnoreCase)) continue;
if (string.Equals(ReadAsString(el["visible"]), "false", StringComparison.OrdinalIgnoreCase)) continue;
if (!string.Equals(ReadAsString(el["printRepeated"]), "true", StringComparison.OrdinalIgnoreCase)) continue;
var fy = el["y"]?.GetValue<double>() ?? 0d;
if (fy >= dBottom - 0.02) continue;
return true;
}
return false;
}
// ─── 表格行数据 & 单元格渲染 ───────────────────────────────────────────
private static List<JsonObject> ResolveTableRows(JsonObject data, string? source)
{
var key = string.IsNullOrWhiteSpace(source) ? "mainTable" : source.Trim();
var node = ResolveField(data, key) as JsonNode;
if (node is JsonArray arr)
return arr.OfType<JsonObject>().ToList();
return new List<JsonObject>();
}
private static string ResolveTableCellInnerHtml(string? contentType, string value, JsonNode? col = null)
{
var t = (contentType ?? "text").Trim().ToLowerInvariant();
if (t == "qrcode")
{
try
{
using var gen = new QRCodeGenerator();
var qrData = gen.CreateQrCode(value, QRCodeGenerator.ECCLevel.M);
using var code = new PngByteQRCode(qrData);
var b64 = Convert.ToBase64String(code.GetGraphic(6));
return $"<img src=\"data:image/png;base64,{b64}\" style=\"display:block;margin:0 auto;max-width:100%;max-height:100%;object-fit:contain;\" />";
}
catch { return EscapeHtml(value); }
}
if (t == "barcode")
{
var fmt = ReadAsString(col?["barcodeFormat"]);
var dv = !string.Equals(ReadAsString(col?["displayValue"]), "false", StringComparison.OrdinalIgnoreCase);
var bFontSize = Math.Max(8, (int)Math.Round(col?["barcodeFontSize"]?.GetValue<double>() ?? 14d));
var svg = BuildBarcodeCellSvg(value, fmt, dv, null, bFontSize);
return $"<div style=\"display:flex;align-items:center;justify-content:center;width:100%;height:100%;overflow:hidden;\">{svg}</div>";
}
if (t == "image")
return $"<img src=\"{EscapeHtml(value)}\" style=\"display:block;margin:0 auto;max-width:100%;max-height:100%;object-fit:contain;\" />";
return EscapeHtml(value);
}
private static string FormatColumnValue(object? raw, JsonNode? col, string? contentType)
{
if (raw == null) return string.Empty;
var t = (contentType ?? "text").Trim().ToLowerInvariant();
if (t is "number" or "amount")
{
if (double.TryParse(raw.ToString(), NumberStyles.Any, CultureInfo.InvariantCulture, out var d)
|| double.TryParse(raw.ToString(), NumberStyles.Any, CultureInfo.CurrentCulture, out d))
{
var decimals = Math.Clamp((int?)col?["decimalPlaces"]?.GetValue<int>() ?? 2, 0, 6);
var formatted = d.ToString("N" + decimals, CultureInfo.CurrentCulture);
if (t == "amount")
{
var amountType = ReadAsString(col?["amountType"], "CNY");
var symbol = amountType switch { "USD" => "$", "EUR" => "EUR ", _ => "¥" };
return symbol + formatted;
}
return formatted;
}
}
return raw.ToString() ?? string.Empty;
}
// ─── autoFitFont 字号自适应(移植自前端 resolvePrintAutoFontSize────
/// <summary>
/// 当列开启 autoFitFont 时,根据列宽/行高/文本长度动态缩减字号,最小 8px。
/// </summary>
private static double ResolvePrintAutoFontSize(
JsonNode? col, string text, double colWidthMm, double rowHeightMm, double baseSize)
{
var @base = Math.Max(8d, baseSize);
if (!string.Equals(ReadAsString(col?["autoFitFont"]), "true", StringComparison.OrdinalIgnoreCase))
return @base;
const double pxPerMm = 3.7795275591d;
var widthPx = Math.Max(1d, colWidthMm * pxPerMm);
var heightPx = Math.Max(1d, rowHeightMm * pxPerMm);
var textLen = Math.Max(1, text.Length);
var byWidth = widthPx / Math.Max(1d, textLen * 0.62d);
var noWrap = string.Equals(ReadAsString(col?["autoWrap"]), "false", StringComparison.OrdinalIgnoreCase);
var byHeight = noWrap ? heightPx * 0.55d : heightPx * 0.36d;
return Math.Max(8d, Math.Round(Math.Min(@base, Math.Min(byWidth, byHeight))));
}
// ─── 多级表头构建 ───────────────────────────────────────────────────────
private sealed class HeaderCell
{
public int Row { get; set; }
public int Col { get; set; }
public int RowSpan { get; set; } = 1;
public int ColSpan { get; set; } = 1;
public string Title { get; set; } = string.Empty;
public string Align { get; set; } = "center";
public double WidthPercent { get; set; }
}
private static List<List<HeaderCell>> BuildTableHeaderRows(JsonNode tableEl, List<JsonObject> columns)
{
var colCount = Math.Max(1, columns.Count);
var widths = columns.Select(c => c["width"]?.GetValue<double>() ?? 30d).ToList();
var totalWidth = Math.Max(0.001, widths.Sum());
double CalcWP(int start, int span)
{
var end = Math.Min(colCount, start + span);
var sum = 0d;
for (var i = start; i < end; i++) sum += widths[i];
return sum / totalWidth * 100d;
}
var enableMulti = string.Equals(ReadAsString(tableEl["enableMultiHeader"], "false"), "true", StringComparison.OrdinalIgnoreCase);
if (!enableMulti)
{
var single = new List<HeaderCell>();
for (var i = 0; i < colCount; i++)
single.Add(new HeaderCell
{
Row = 0, Col = i,
Title = ReadAsString(columns[i]["title"], string.Empty) ?? string.Empty,
Align = ReadAsString(columns[i]["align"], "center") ?? "center",
WidthPercent = CalcWP(i, 1)
});
return new List<List<HeaderCell>> { single };
}
var cfg = tableEl["headerConfig"];
var rowCount = Math.Max(1, cfg?["rowCount"]?.GetValue<int>() ?? 1);
var cfgColCount = Math.Max(1, cfg?["colCount"]?.GetValue<int>() ?? colCount);
if (cfgColCount != colCount)
return BuildTableHeaderRows(new JsonObject { ["enableMultiHeader"] = false }, columns);
var owner = new HeaderCell?[rowCount, colCount];
var cells = new List<HeaderCell>();
var cfgCells = cfg?["cells"]?.AsArray() ?? new JsonArray();
foreach (var n in cfgCells.OfType<JsonObject>())
{
var r = Math.Max(0, n["row"]?.GetValue<int>() ?? 0);
var c = Math.Max(0, n["col"]?.GetValue<int>() ?? 0);
var rs = Math.Max(1, n["rowspan"]?.GetValue<int>() ?? 1);
var cs = Math.Max(1, n["colspan"]?.GetValue<int>() ?? 1);
if (r >= rowCount || c >= colCount) continue;
var maxR = Math.Min(rowCount, r + rs);
var maxC = Math.Min(colCount, c + cs);
var conflict = false;
for (var rr = r; rr < maxR && !conflict; rr++)
for (var cc = c; cc < maxC; cc++)
if (owner[rr, cc] != null) { conflict = true; break; }
if (conflict) continue;
var cell = new HeaderCell
{
Row = r, Col = c, RowSpan = maxR - r, ColSpan = maxC - c,
Title = ReadAsString(n["title"], string.Empty) ?? string.Empty,
Align = ReadAsString(n["align"], "center") ?? "center",
};
cell.WidthPercent = CalcWP(cell.Col, cell.ColSpan);
cells.Add(cell);
for (var rr = r; rr < maxR; rr++)
for (var cc = c; cc < maxC; cc++)
owner[rr, cc] = cell;
}
for (var r = 0; r < rowCount; r++)
{
for (var c = 0; c < colCount; c++)
{
if (owner[r, c] != null) continue;
var cell = new HeaderCell
{
Row = r, Col = c, RowSpan = 1, ColSpan = 1,
Title = r == rowCount - 1 ? (ReadAsString(columns[c]["title"], string.Empty) ?? string.Empty) : string.Empty,
Align = ReadAsString(columns[c]["align"], "center") ?? "center",
WidthPercent = CalcWP(c, 1)
};
owner[r, c] = cell;
cells.Add(cell);
}
}
var rows = Enumerable.Range(0, rowCount).Select(_ => new List<HeaderCell>()).ToList();
foreach (var cell in cells)
{
if (!ReferenceEquals(owner[cell.Row, cell.Col], cell)) continue;
rows[cell.Row].Add(cell);
}
foreach (var row in rows) row.Sort((a, b) => a.Col.CompareTo(b.Col));
return rows;
}
// ─── 通用工具 ───────────────────────────────────────────────────────────
private static object? ResolveField(JsonObject data, string fieldPath)
{
JsonNode? node = data;
foreach (var key in fieldPath.Split('.'))
{
node = node?[key];
if (node == null) return null;
}
return node switch
{
JsonArray a => a,
JsonObject o => o,
JsonValue v when v.TryGetValue<string>(out var s) => s,
JsonValue v when v.TryGetValue<double>(out var d) => d,
JsonValue v when v.TryGetValue<bool>(out var b) => b,
_ => node?.ToString()
};
}
private static string? ReadAsString(JsonNode? node, string? defaultValue = null)
{
if (node == null) return defaultValue;
if (node is JsonValue v)
{
if (v.TryGetValue<string>(out var s)) return s;
if (v.TryGetValue<double>(out var d)) return d.ToString(CultureInfo.InvariantCulture);
if (v.TryGetValue<int>(out var i)) return i.ToString(CultureInfo.InvariantCulture);
if (v.TryGetValue<long>(out var l)) return l.ToString(CultureInfo.InvariantCulture);
if (v.TryGetValue<bool>(out var b)) return b ? "true" : "false";
}
return node.ToString();
}
private static string EscapeHtml(string? s) =>
(s ?? string.Empty).Replace("&", "&amp;").Replace("<", "&lt;").Replace(">", "&gt;").Replace("\"", "&quot;");
private static string ConvertDateFormat(string? jsFormat) =>
(jsFormat ?? "yyyy-MM-dd").Replace("YYYY", "yyyy").Replace("DD", "dd");
private static string ReplaceTemplatePlaceholders(string input, JsonObject data, int pageNo, int totalPages)
{
if (string.IsNullOrEmpty(input)) return input;
return Regex.Replace(input, @"\{\{\s*([\w\.]+)\s*\}\}", m =>
{
var key = m.Groups[1].Value;
if (key.Equals("pageNo", StringComparison.OrdinalIgnoreCase)) return pageNo.ToString(CultureInfo.InvariantCulture);
if (key.Equals("totalPages", StringComparison.OrdinalIgnoreCase)) return totalPages.ToString(CultureInfo.InvariantCulture);
return ResolveField(data, key)?.ToString() ?? string.Empty;
});
}
private static string RemoveCssProperty(string style, string propertyName)
{
if (string.IsNullOrWhiteSpace(style)) return string.Empty;
var kept = style.Split(';', StringSplitOptions.RemoveEmptyEntries)
.Select(p => p.Trim())
.Where(p =>
{
var idx = p.IndexOf(':');
if (idx <= 0) return true;
return !p[..idx].Trim().Equals(propertyName, StringComparison.OrdinalIgnoreCase);
})
.ToList();
return kept.Count == 0 ? string.Empty : string.Join(";", kept) + ";";
}
}