C#生成PDF文件流

概述本文实例为大家分享了C#生成PDF文件流的具体代码，供大家参考，具体内容如下

本文实例为大家分享了C#生成pdf文件流的具体代码，供大家参考，具体内容如下

1、设置字体

static BaseFont FontBase = BaseFont.CreateFont("C:\windows\FontS\STSONG.TTF",BaseFont.IDENTITY_H,BaseFont.EMbedDED);    static iTextSharp.text.Font bodyFont = new iTextSharp.text.Font(FontBase,12);    static iTextSharp.text.Font TitleFont = new iTextSharp.text.Font(FontBase,18);    static iTextSharp.text.Font paragraphFont = new iTextSharp.text.Font(FontBase,15);    static iTextSharp.text.Font linkFont = new iTextSharp.text.Font(FontBase,12,Font.UNDERliNE,Basecolor.BLUE);

2.生成pdf文件流返回byte数组

public byte[] DocCreate(Sy@[email protected] image,List<TreeNodes> List)    {      MemoryStream file = new MemoryStream();      string filename = string.Empty;      Rectangle page = PageSize.A4;      float y = page.Height;      document document = new document(page,15,30,30);      float docWIDth = page.WIDth - 15 * 2;      float docHeight = page.Height - document.Bottommargin - document.topmargin;      pdfWriter writer = pdfWriter.GetInstance(document,file);      writer.CloseStream = false;      writer.open();      PdfcontentByte cb = writer.DirectContent;      document.open();      //标题      Paragraph Title = new Paragraph(new Chunk("标题",TitleFont));      Title.Alignment = Element.AliGN_CENTER;      document.Add(Title);      //图片      iTextSharp.text.Image img = iTextSharp.text.Image.GetInstance(image,ImageFormat.Png);      float wIDthSzIE = (page.WIDth - 30) / img.WIDth;      if (wIDthSzIE < 1)      {        img.ScalePercent(wIDthSzIE * 100);      }      document.Add(img);      //文献出处      Paragraph p2 = new Paragraph(new Chunk("出处",paragraphFont));      p2.Indentationleft = indentationleft;      document.Add(p2);      InitData(List);//初始化业务数据      CreateSteps(List,document,List.FirstOrDefault(it => it.PID == 0));//添加业务数据      ////添加印章      //iTextSharp.text.Image whyz = iTextSharp.text.Image.GetInstance(whyzPath);      //whyz.ScalePercent(50);      //whyz.paddingtop = 100;      //whyz.Alignment = Element.AliGN_RIGHT;      //document.Add(whyz);      //添加日期      Paragraph createtime = new Paragraph(new Chunk(DateTime.Now.TolongDateString().ToString(),bodyFont));      createtime.Alignment = Element.AliGN_RIGHT;      //createtime.SpacingBefore = -80;      createtime.paddingtop = 200;      document.Add(createtime);      document.Close();      file.position = 0;      MemoryStream newfile = SetWaterMark(file,"水印内容",docWIDth,docHeight);//添加水印，见另外一篇博客      newfile.position = 0;//重置流指针位置      byte[] bytes = new byte[newfile.Length];      newfile.Read(bytes,bytes.Length);      return bytes;    }

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