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   源码介绍

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开发工具 vs2010

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;
using System.Windows.Forms;
namespace expdf
{
    class pdf
    {
        public void ExportDataIntoPDF(string JpgpathName, string ExportPdfPath)
        {//导出至PDF
         
            //夹--代--件 ---片
            //宗-年-型-序-件
            DirectoryInfo zFolder = new DirectoryInfo(JpgpathName);//夹
            DirectoryInfo[] dirInfo_z = zFolder.GetDirectories();

            foreach (DirectoryInfo NextFolder_n in dirInfo_z)
            {
                DirectoryInfo[] dirInfo_n = NextFolder_n.GetDirectories();


                foreach (DirectoryInfo NextFolder_x in dirInfo_n)
                {
                    DirectoryInfo[] dirInfo_x = NextFolder_x.GetDirectories();


                    foreach (DirectoryInfo NextFolder_xu in dirInfo_x)
                    {

                        DirectoryInfo[] dirInfo_xu = NextFolder_xu.GetDirectories();

                        foreach (DirectoryInfo NextFolder_j in dirInfo_xu)
                        {
                            iTextSharp.text.Document document = new iTextSharp.text.Document(iTextSharp.text.PageSize.A4, 10, 10, 10, 10);

                            string pdfPath = NextFolder_j.FullName ".pdf";
 

                            iTextSharp.text.pdf.PdfWriter.GetInstance(document, new FileStream(pdfPath, FileMode.CreateNew));
                            document.Open();

                            foreach (string myFile in Directory.GetFiles(NextFolder_j.FullName))
                            {
                              //  MessageBox.Show(myFile);
                                try
                                {

 

                                    using (var imageStream = new FileStream(myFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
                                    {
                                        var image = iTextSharp.text.Image.GetInstance(imageStream);
                                        if (image.Height > iTextSharp.text.PageSize.A4.Height - 25)
                                        {
                                            image.ScaleToFit(iTextSharp.text.PageSize.A4.Width - 25, iTextSharp.text.PageSize.A4.Height - 25);
                                        }
                                        else if (image.Width > iTextSharp.text.PageSize.A4.Width - 25)
                                        {
                                            image.ScaleToFit(iTextSharp.text.PageSize.A4.Width - 25, iTextSharp.text.PageSize.A4.Height - 25);
                                        }
                                        image.Alignment = iTextSharp.text.Image.ALIGN_MIDDLE;
                                        document.Add(image);
                                    }

                                   
                                   }
                                catch (Exception de)
                                {

                                }

                                 }
                            document.Close();

                           // MergePdf(NextFolder_j.FullName, NextFolder_j.Name);

                          }
                         
                    
                         }
                


      

                   



                }








            }


            MessageBox.Show("转换完成！");

        }


        public void MergePdf(string pdfPath, string outName)
        {



            Spire.Pdf.PdfDocument doc2 = new Spire.Pdf.PdfDocument();
            Spire.Pdf.PdfDocument doc3 = new Spire.Pdf.PdfDocument();
            foreach (string myfile in Directory.GetFiles(pdfPath))
            {
                string str = myfile.Substring(myfile.IndexOf('.')   1);

                if (str == "pdf")
                {
                    doc3.LoadFromFile(myfile);
                    doc2.AppendPage(doc3);


                }

            }

            //PdfDocument doc = new PdfDocument();


            //PdfPageBase page = doc.Pages.Add();

            ////Spire.Pdf.PdfDocument doc2 = new Spire.Pdf.PdfDocument();
            ////Spire.Pdf.PdfDocument doc3 = new Spire.Pdf.PdfDocument();
            ////doc2.LoadFromFile(@"D:\lw\pdf\袋01\件01\刘伟 001.pdf");

            //Spire.Pdf.PdfDocument doc4 = new Spire.Pdf.PdfDocument();
            //Spire.Pdf.PdfDocument doc2 = new Spire.Pdf.PdfDocument();
            //Spire.Pdf.PdfDocument doc5 = new Spire.Pdf.PdfDocument();
            //Spire.Pdf.PdfDocument doc3 = new Spire.Pdf.PdfDocument();
            //doc3.LoadFromFile(@"D:\lw\pdf\袋01\件01\刘伟 002.pdf");
            //doc5.LoadFromFile(@"D:\lw\pdf\袋01\件01\刘伟 001.pdf");
            //doc4.LoadFromFile(@"D:\lw\pdf\袋01\件01\真的好想你.pdf");
            //doc2.AppendPage(doc3);
            //doc2.AppendPage(doc4);
            //doc2.AppendPage(doc5);
            doc2.SaveToFile(pdfPath   "\\"   outName   ".pdf");

            doc2.Close();
            doc3.Close();






        }





    }

}