DevExpress V22.1 表格导出PDF支持中文

/// <summary>
/// 导出PDF
/// </summary>
/// <param name="fileName"></param>
/// <param name="printable"></param>
public void ExportToPDF(string fileName, GridView gv, IPrintable printable, Models.PrintPaperModel paperOptions)
{
    var gc = gv.GridControl;

    // 强制 PDF 导出引擎使用和打印预览一样的 GDI+ 换行算法
    DevExpress.XtraPrinting.Native.PrintingSettings.UseGdiPlusLineBreakAlgorithm = true;

    // 2. 统一打印中文字体
    Font fontCn = new Font("微软雅黑", 9, FontStyle.Regular);

    // 可选：子视图也强制展开
    foreach (GridView view in gc.Views)
    {
        // 必须true：强制打印使用AppearancePrint样式，否则表头沿用界面字体（PDF不兼容中文）
        view.OptionsPrint.UsePrintStyles = true;
        view.OptionsPrint.PrintHeader = true;

        // 表头打印样式（解决表头空白核心）
        view.AppearancePrint.HeaderPanel.Options.UseFont = true;
        view.AppearancePrint.HeaderPanel.Font = fontCn;

        // 数据行
        view.AppearancePrint.Row.Options.UseFont = true;
        view.AppearancePrint.Row.Font = fontCn;

        view.OptionsPrint.PrintDetails = true;
        view.OptionsPrint.ExpandAllDetails = true;

        view.OptionsPrint.AutoWidth = false;
        view.OptionsPrint.PrintFooter = SystemSettings.Current.ExportXlsxPrintFooter; //不导出底部汇总行
        view.BestFitColumns();
    }

    // 1. 主视图：允许打印明细、全部展开明细
    gv.OptionsPrint.PrintDetails = true;         // 导出明细
    gv.OptionsPrint.ExpandAllDetails = true;      // 强制展开所有明细

    using (var ps = new PrintingSystem())
    using (var link = new PrintableComponentLink(ps))
    {
        link.Component = gc;

        //纸张A4/A3
        link.PaperKind = Enum.Parse<System.Drawing.Printing.PaperKind>(paperOptions.PaperName);

        //Landscape = true = 纸张 横向打印 / 导出
        //Landscape = false = 纸张 纵向打印 / 导出
        link.Landscape = paperOptions.PaperDirection == "横向";

        // 边距（可选）
        link.Margins.Left = paperOptions.MarginLeft;
        link.Margins.Right = paperOptions.MarginRight;
        link.Margins.Top = paperOptions.MarginTop;
        link.Margins.Bottom = paperOptions.MarginBottom;

        PdfExportOptions options = new PdfExportOptions
        {
            NeverEmbeddedFonts = "",
            ConvertImagesToJpeg = true,
            ImageQuality = PdfJpegImageQuality.High,
        };

        // 导出 PDF
        link.CreateDocument();
        link.ExportToPdf(fileName, options);
    }
}