itextsharp.dll

PDF文件扫描 PdfReader pdfReader = new PdfReader(pdfFilePath); int numberOfPages = pdfReader.NumberOfPages; StringBuilder text = new StringBuilder(); for (int i = 1; i <= numberOfPages; ++i) { text.Append(iTextSharp.text.pdf.parser.PdfTextExtractor.GetTextFromPage(pdfReader, i)); } pdfReader.Close(); string pdfContent = text.ToString();