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  • PDF合并

    using System.IO;

    using iTextSharp.text;
    using iTextSharp.text.pdf;

    /// <summary>
            /// PDF合并
            /// </summary>
            /// <param name="fileList">需要合并的PDF文件路径</param>
            /// <param name="outMergeFile">合并保存输出路径</param>
            private void mergePDFFiles(string[] fileList, string outMergeFile)
            {
                PdfReader reader;
                Document document = new Document();
                PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(outMergeFile, FileMode.Create));
                document.Open();
                PdfContentByte cb = writer.DirectContent;
                PdfImportedPage newPage;
                for (int i = 0; i < fileList.Length; i++)
                {
                    if (!File.Exists(fileList[i]))
                        continue;

                    reader = new PdfReader(fileList[i]);
                    int iPageNum = reader.NumberOfPages;
                    for (int j = 1; j <= iPageNum; j++)
                    {
                        document.NewPage();
                        newPage = writer.GetImportedPage(reader, j);
                        cb.AddTemplate(newPage, 0, 0);
                    }
                }
                document.Close();
            }

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  • 原文地址:https://www.cnblogs.com/OwenWu/p/1776469.html
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