.netcore 使用PdfSharpCore生成pdf

想实现的功能是pdf+签名图片合并起来，后面看到了免费开源的PdfSharpCore. 

先安装

 

+ View Code?

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public static class PdfSharpCoreHelper {     private static string GetOutFilePath(string name)     {         string OutputDirName = @".";         return System.IO.Path.Combine(OutputDirName, name);     }       /// <summary>     /// 保存文件     /// </summary>     /// <param name="document">PdfDocument</param>     /// <param name="name">文件名</param>     private static void SaveDocument(PdfSharpCore.Pdf.PdfDocument document, string name)     {         string outFilePath = GetOutFilePath(name);         string? dir = System.IO.Path.GetDirectoryName(outFilePath);         if (dir != null && !System.IO.Directory.Exists(dir))         {             System.IO.Directory.CreateDirectory(dir);         }           document.Save(outFilePath);     }       /// <summary>     /// 将图片 文字添加到PDF文档中     /// </summary>     public static void ConvertSVGtoPDF()     {         System.Console.WriteLine("Starting...");           //获取pdf文件         PdfDocument document = PdfReader.Open(@"F:\svn项目\ConvertSVGtoPDF.pdf", PdfDocumentOpenMode.Modify);         //获取第一页pdf         PdfSharpCore.Pdf.PdfPage? pageNewRenderer = document.Pages[0];         PdfSharpCore.Drawing.XGraphics? renderer = PdfSharpCore.Drawing.XGraphics.FromPdfPage(pageNewRenderer);         //添加图片         renderer.DrawImage(XImage.FromFile(@"F:\svn项目\svgdq.jpg"),             new PdfSharpCore.Drawing.XPoint(120, 120));         //添加文字         renderer.DrawString(               "Testy Test Test"             , new PdfSharpCore.Drawing.XFont("Arial", 12)             , PdfSharpCore.Drawing.XBrushes.Black             , new PdfSharpCore.Drawing.XPoint(12, 12)         );         //保存         SaveDocument(document, "dsada.pdf");         } }