C# PdfStamper.InsertPage方法代碼示例

        private void Make_pdf()
        {
            //第一頁
            int ti = Convert.ToInt32(times.Text);
            int he = Convert.ToInt32(head.Text);
            string nu;
            if (he / 10 == 0) nu = "0000000" + he.ToString();
            else if (he / 100 == 0) nu = "000000" + he.ToString();
            else if (he / 1000 == 0) nu = "00000" + he.ToString();
            else if (he / 10000 == 0) nu = "0000" + he.ToString();
            else if (he / 10000 == 0) nu = "000" + he.ToString();
            else if (he / 100000 == 0) nu = "00" + he.ToString();
            else if (he / 1000000 == 0) nu = "0" + he.ToString();
            else nu = he.ToString();

            PdfReader reader = new PdfReader(@"data\Doc1.pdf");

            //

            //將範本檔按丟入stream並給PdfStamper
            //PdfStamper stamper = new PdfStamper(reader, stream);

            PdfStamper stamper = new PdfStamper(reader, new FileStream([email protected]"\"[email protected]".pdf", FileMode.Create));
            stamper.Writer.CloseStream = false;
            AcroFields acroFields = stamper.AcroFields;
            //BaseFont bfkaiu = BaseFont.CreateFont("C:\\WINDOWS\\Fonts\\kaiu.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
            //BaseFont bftimes = BaseFont.CreateFont("C:\\WINDOWS\\Fonts\\times.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
            //重設pdf樣式
            BaseFont bf = BaseFont.CreateFont("C:/WINDOWS/Fonts/kaiu.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);

            acroFields.SetFieldProperty("Text1", "textfont", bf, null);

            //將資料放進pdf內

            acroFields.SetField("Text1", nu);

            //infile.Flush();

            int i=1;
            int insPage = 2;

            //第n頁
            while (i < ti)// 若 page-i，i比page小 代表還有頁數還沒完成
            {
                i++; he++;
                string nu2;
                if (he / 10 == 0) nu2 = "0000000" + he.ToString();
                else if (he / 100 == 0) nu2 = "000000" + he.ToString();
                else if (he / 1000 == 0) nu2 = "00000" + he.ToString();
                else if (he / 10000 == 0) nu2 = "0000" + he.ToString();
                else if (he / 10000 == 0) nu2 = "000" + he.ToString();
                else if (he / 100000 == 0) nu2 = "00" + he.ToString();
                else if (he / 1000000 == 0) nu2 = "0" + he.ToString();
                else nu2 = he.ToString();

                //將Sample PDF檔丟入PdfReader物件
                MemoryStream stream2 = new MemoryStream();
                PdfReader reader2 = new PdfReader(@"data\Doc1.pdf");

                //將範本檔按丟入stream並給PdfStamper
                PdfStamper stamper2 = new PdfStamper(reader2, stream2);
                stamper2.Writer.CloseStream = false;
                AcroFields acroFields2 = stamper2.AcroFields;
                //BaseFont bfkaiu2 = BaseFont.CreateFont("C:\\WINDOWS\\Fonts\\kaiu.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
                //BaseFont bftimes2 = BaseFont.CreateFont("C:\\WINDOWS\\Fonts\\times.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);

                //重設pdf樣式
                //BaseFont bf2 = BaseFont.CreateFont("C:/WINDOWS/Fonts/kaiu.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
                it.Font textFont2 = new it.Font(bf, 12);

                acroFields2.SetFieldProperty("Text1", "textfont", bf, null);
                //將資料放進pdf內
                acroFields2.SetField("Text1", nu2);

                stamper2.FormFlattening = true;
                stamper2.Close();
                reader2.Close();

                //將第n頁裝進第一頁後麵
                MemoryStream rm = new MemoryStream(stream2.GetBuffer(), 0, stream2.GetBuffer().Length);
                PdfReader tesrreader = new PdfReader(rm);
                stamper.InsertPage(insPage, reader.GetPageSize(1));
                stamper.GetUnderContent(insPage).AddTemplate(stamper.GetImportedPage(tesrreader, 1), 0, 0);

                insPage += 1;//插入變數++

            }
            //第n頁END
            stamper.FormFlattening = true;
            stamper.Close();

            reader.Close();
            //PDF結束
            //stamper.Flush();
            Dispose();
        }

        public ActionResult Index(IEnumerable<HttpPostedFileBase> files)
        {
            // image file extension check ignore for brevity
            var fileList = files.Where(h => h != null && h.ContentLength > 0);
            if (fileList.Count() < 1)
                throw new Exception("no files uploaded");

            var absoluteX = 20;
            var absoluteY = 800;
            using (var stream = new MemoryStream())
            {
                using (var stamper = new PdfStamper(Helpers.Pdf.GetTestReader(), stream))
                {
                    var pageOneSize = stamper.Reader
                        .GetPageSize(APPEND_NEW_PAGE_NUMBER - 1);
                    foreach (var file in fileList)
                    {
                        using (var br = new BinaryReader(file.InputStream))
                        {
                            var imageBytes = br.ReadBytes(file.ContentLength);
                            var image = Image.GetInstance(imageBytes);

                            // still not sure if you want to add a new blank page, but 
                            // here's how
                            stamper.InsertPage(
                                APPEND_NEW_PAGE_NUMBER,
                                pageOneSize
                            );

                            // image absolute position
                            image.SetAbsolutePosition(
                                absoluteX, absoluteY - image.Height
                            );

                            // scale image if needed
                            // image.ScaleAbsolute(...);

                            // PAGE_NUMBER => add image to specific page number
                            stamper.GetOverContent(APPEND_NEW_PAGE_NUMBER)
                                .AddImage(image);
                        }
                        ++APPEND_NEW_PAGE_NUMBER;
                    }
                }
                return File(stream.ToArray(), "application/pdf", "test.pdf");
            }
        }

// ---------------------------------------------------------------------------
    /**
     * Manipulates a PDF file src
     * @param src the original PDF
     * @param stationery the resulting PDF
     */
    public byte[] ManipulatePdf(byte[] src, byte[] stationery) {
      ColumnText ct = new ColumnText(null);
      string SQL = 
@"SELECT country, id FROM film_country 
ORDER BY country
";        
      using (var c =  AdoDB.Provider.CreateConnection()) {
        c.ConnectionString = AdoDB.CS;
        using (DbCommand cmd = c.CreateCommand()) {
          cmd.CommandText = SQL;
          c.Open();
          using (var r = cmd.ExecuteReader()) {
            while (r.Read()) {
              ct.AddElement(new Paragraph(
                24, new Chunk(r["country"].ToString())
              ));
            }
          }
        }
      }
      // Create a reader for the original document and for the stationery
      PdfReader reader = new PdfReader(src);
      PdfReader rStationery = new PdfReader(stationery);
      using (MemoryStream ms = new MemoryStream()) {
        // Create a stamper
        using (PdfStamper stamper = new PdfStamper(reader, ms)) {
          // Create an imported page for the stationery
          PdfImportedPage page = stamper.GetImportedPage(rStationery, 1);
          int i = 0;
          // Add the content of the ColumnText object 
          while(true) {
          // Add a new page
            stamper.InsertPage(++i, reader.GetPageSize(1));
            // Add the stationary to the new page
            stamper.GetUnderContent(i).AddTemplate(page, 0, 0);
            // Add as much content of the column as possible
            ct.Canvas = stamper.GetOverContent(i);
            ct.SetSimpleColumn(36, 36, 559, 770);
            if (!ColumnText.HasMoreText(ct.Go()))
                break;
          }
        }
        return ms.ToArray();     
      }
    }